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Onkaparinga River National Park Pest Prioritisation Report June 2009
A partnership project
Adelaide and Mount Lofty Ranges Natural Resources Management Board
and
The Department for Environment and Heritage
Statement of Plan
A partnership between the Adelaide and Mount Lofty Ranges Natural Resources Management (NRM) Board and the
Department for Environment and Heritage (DEH) has identified a range of pest species and prioritised their management
to protect and enhance biodiversity in the Park over many years.
Board funding in association with technical assistance provided by DEH enabled the development of a project brief
specifying baseline data to be collected for the development of a Pest Prioritisation Report for the Onkaparinga River
National Park (not including Hardy’s Scrub or the Recreation Reserve). The report supports actions identified in the
Onkaparinga River National Park Management Plan and will be a foundation for the development of a Vegetation
Management Plan for the Onkaparinga River National Park.
The partnership contracted Creation Care to collect the data and provide the foundation for this document.
Acknowledgments
Andrew Raymond (AMLR NRM Board) Bryn
Troath (DEH-Regional Conservation) Darcy
Peters (DEH-Regional Conservation) Chris
Gibson (DEH-Urban Biodiversity Unit) Sam
Dalton (Creation Care)
Jen Pitman (DEH-Regional Conservation)
David Turner (DEH-Regional Conservation)
Dr Joss Bentley-Rockliff (AMLR NRM Board)
ORNP Pest Prioritisation Report, June 2009 2
Contents Disclaimer................................................................................................................................................................................ 4
Summary ................................................................................................................................................................................. 5
Remnant Vegetation Summary Table ............................................................................................................................. 5
Revegetation Summary Table ......................................................................................................................................... 5
Riparian Vegetation Summary Table .............................................................................................................................. 6
Introduction ............................................................................................................................................................................ 6
Assessment Methodology....................................................................................................................................................... 7
Onkaparinga River NP Desktop Classification Map................................................................................................................. 9
Remnant Vegetation Summary Table ............................................................................................................................... 10
RM1 ................................................................................................................................................................................... 11
RM2 ................................................................................................................................................................................... 14
RM3 ................................................................................................................................................................................... 17
RM4 ................................................................................................................................................................................... 20
RM5 ................................................................................................................................................................................... 23
RM6 ................................................................................................................................................................................... 26
RM7 ................................................................................................................................................................................... 30
RM8 ................................................................................................................................................................................... 34
RM9 ................................................................................................................................................................................... 37
RM10 ................................................................................................................................................................................. 40
RM11 ................................................................................................................................................................................. 43
RM12 ................................................................................................................................................................................. 46
RM13 ................................................................................................................................................................................. 49
RM14 ................................................................................................................................................................................. 52
RM15 ................................................................................................................................................................................. 58
Revegetation Summary Table ........................................................................................................................................... 60
RV1 .................................................................................................................................................................................... 61
RV2 .................................................................................................................................................................................... 64
RV3 .................................................................................................................................................................................... 67
RV4 .................................................................................................................................................................................... 72
RV5 .................................................................................................................................................................................... 75
RV6 .................................................................................................................................................................................... 78
RV7 .................................................................................................................................................................................... 80
RV8 .................................................................................................................................................................................... 87
ORNP Pest Prioritisation Report, June 2009 3
RV9 .................................................................................................................................................................................... 91
RV10 .................................................................................................................................................................................. 94
RV11 .................................................................................................................................................................................. 98
RV12 .................................................................................................................................................................................. 99
Riparian Area Summary Table………………………………………………………………………………………………………………………………….… 102
RA1 .................................................................................................................................................................................. 103
RA2 .................................................................................................................................................................................. 108
RA3 .................................................................................................................................................................................. 113
RA4 .................................................................................................................................................................................. 117
RA5 .................................................................................................................................................................................. 121
RA6 .................................................................................................................................................................................. 125
RA7 .................................................................................................................................................................................. 129
RA8 .................................................................................................................................................................................. 135
RA9 .................................................................................................................................................................................. 138
RA10 ................................................................................................................................................................................ 142
Cleared Areas- Maps 1 to7…………………………………………………………………………………………………………………………………….…..…145
Unknown Vegetation Areas - Maps 1 to 9………………………………………………………………………………………………………………….. 153
Appendix 1 – Onkaparinga River NP Desktop Classification Map....................................................................................... 163
Appendix 2 – Data Collection Sheet.................................................................................................................................... 164
Appendix 3 – Vegetation Conditions .................................................................................................................................. 165
Appendix 4 – Survey Species List ...................................................................................................................................... 1656
Disclaimer The contractor, Creation Care, who did the survey for this document will not be liable for any loss or damage occasioned
directly or indirectly through the use of, or reliance on, the contents of this document.
ORNP Pest Prioritisation Report, June 2009 4
Summary During May and June of 2009, large areas of the Onkaparinga River National Park (1190 ha) were surveyed to ground
truth Native Vegetation Condition and Vegetation Type, and to record the exotic species present and make
recommendations for Priority Actions. Approximately 652 ha and 37 individual management areas were surveyed using
data collection sheets. A total of 73 introduced species were recorded (Appendix 4).
A summary table of each category surveyed is provided below with the areas ranked according to Biodiversity value:
Remnant Vegetation Areas Summary Table
RM Area Condition Remnant Vegetation Present Weed Infestation Level Overall Ranking
RM15 Excellent High Low 1
RM13* Good High Medium 2
RM14 Good High Medium 3
RM6 Excellent High Medium 4
RM11 Moderate Medium Low 5
RM2 Moderate Medium Medium 6
RM7 Moderate Medium Medium 7
RM8 Moderate Medium High 8
RM3 Residual Medium Low 9
RM1 Residual Medium High 10
RM12 Residual Medium High 11
RM9 Residual Low Medium 12
RM10 Residual Low Medium 13
RM4 Poor Low High 14
RM5 Poor Low High 15
Revegetation Areas Summary Table
RV Area Condition Revegetation Present Weed Infestation Level Overall Ranking
RV1 Moderate High Low 1
RV12 Moderate High Low 2
RV11 Moderate High Low 3
RV2 Moderate High Medium 4
RV6 Residual Medium Medium 5
RV8 Residual Medium Medium 6
RV9 Residual Medium Medium 7
RV5 Residual Medium Medium 8
RV10 Residual Medium Medium 9
RV3 Residual Low Medium 10
RV7 Poor Medium High 11
RV4 Poor Low Medium 12
ORNP Pest Prioritisation Report, June 2009 5
Riparian Areas Vegetation Summary Table
RA Areas Condition Riparian Vegetation Present Weed Infestation Level Overall Ranking
RA6 Moderate Medium Medium 1
RA7 Moderate Medium Medium 2
RA5 Residual Medium High 3
RA4 Residual Medium High 4
RA9 Residual Medium High 5
RA10 Residual Medium High 6
RA8 Residual Medium High 7
RA2 Residual Low Medium 8
RA3 Residual Low Medium 9
RA1 Poor Low High 10
The categories Cleared and Unknown did not get surveyed during the program due to funding constraints. The maps for
these areas have been included in this report.
There were four areas excluded from this survey due to survey work already underway for DEH’s Urban Biodiversity
Unit. These areas are highlighted on the map (Appendix 1).
ORNP Pest Prioritisation Report, June 2009 6
Introduction During May and June 2009 survey work was undertaken over approximately 652 ha and 37 individual management areas
within Onkaparinga River National Park (ORNP) to collect information allowing the prioritisation of pest control within
the park. The information collected included the Vegetation Type and Condition but was primarily focusing on the pest
species present within each area. The assessment methodology used is outlined below.
Assessment Methodology A desktop classification of ORNP by the Department of Environment and Heritage (DEH) provided a basic division of the
park into five categories (see Appendix 1 for a map of the areas). These categories are listed below in order of survey
priority:
1. Remnant vegetation areas (RM) 250 hectares
(Endemic vegetation)
2. Revegetation areas (RV) 277 hectares
3. Riparian areas (RA) 125 hectares
4. Cleared areas (CA) 172 hectares
(Degraded grazing land; scattered exotic grasses, woody weeds and olive)
5. Unknown vegetation (UV) 366 hectares
(Primarily exotics - high concentration of olives)
A data collection sheet specifying the information to be gathered during the ground truthing was supplied to the
contractor (Appendix 2). The condition of native vegetation in each of the areas was scored using the below table as
supplied by the Department for Environment and Heritage, Vegetation Management Plan process (also Appendix 3).
Class 5 Excellent Largely undisturbed and healthy.
Class 4 Good Minor weed infestation which is manageable and
high cover and native species and high species
diversity.
Class 3 Moderate Weed infestation is manageable, or weeds of lower
priority dominate; moderate cover and/or diversity
of native species.
Class 2 Residual The basic habitat structure remains; low species
diversity and low cover of native species.
Class 1 Poor Dominated by exotic species; very low species
diversity and cover of native species.
ORNP Pest Prioritisation Report, June 2009 7
The field survey work began in the highest priority areas (Remnant Veg- RM areas). Each area was covered on foot and
the data collection sheets were used to record the relevant information. If an area was quite small (i.e. RM1) a single
person was delegated to survey the whole area, and as the areas increased in size more people were delegated to the
site. The largest site (RM14) had four people walking approximately 150m away from each other in an ‘emu walk’
through the site, zig-zagging out from their path, and meeting up at the end of the site to compile the individual results.
This allowed the whole site to be covered in a minimal amount of time, and also allowed the spread of particular weeds
to be determined. For example, if the two people on the eastern side of the site identified very dense olive, the third
person in the middle identified moderate density olive and the person on the western side identified low density olive, it
is reasonable to record that the olive is primarily concentrated on the eastern side of the site.
The weed density was categorised into Low, Medium or High but was not based on any recognised quantitative
classification system. It is a subjective classification due to the scale of the site and the ‘walkthrough’ method used for
the survey.
All data gathered in the field was collected in an opportunistic fashion and the survey timing may have limited the
number of species recorded due the seasonal nature of different weed species.
The information from the data collection sheet was transferred to an Excel document for analysis, from which a
summary table of priority sites was compiled, ranking the areas from highest value to lowest value based on the level of
native vegetation present and its condition, the number of exotic species present and the level of infestation. In the
tables for each area surveyed, a recommendation has been made for exotic species to be targeted for control. In the
example below, pest species prioritised for control are highlighted in red.
African Daisy Low
Boxthorn Low
Capeweed Medium
Cotton Bush Low
Dock Low
* It is worth noting that the African Feather Grass and Olive infestations cover large areas of the entire Onkaparinga
River banks and would be having significant effects on the ability of the native species to regenerate effectively.
However, the African Feather Grass has not been listed for control as a ‘Priority Action’ as the control recommended is
manual removal of all plants and rhizomes, or chemical control requiring vast quantities of chemical mix in places that
are inaccessible, both of which would be unfeasible.
It is suggested instead, that a containment principle is applied and that the whole of the Onkaparinga River is monitored
and isolated infestations/individuals are controlled to stop the spread.
The results of the survey follow.
ORNP Pest Prioritisation Report, June 2009 8
Onkaparinga River National Park Desktop Classification Map
ORNP Pest Prioritisation Report, June 2009 9
RM Area Condition Remnant Vegetation Present Weed Infestation Level Overall Ranking
RM15 Excellent High Low 1
RM13 Good High Medium 2
RM14 Good High Medium 3
RM6 Excellent High Medium 4
RM11 Moderate Medium Low 5
RM2 Moderate Medium Medium 6
RM7 Moderate Medium Medium 7
RM8 Moderate Medium High 8
RM3 Residual Medium Low 9
RM1 Residual Medium High 10
RM12 Residual Medium High 11
RM9 Residual Low Medium 12
RM10 Residual Low Medium 13
RM4 Poor Low High 14
RM5 Poor Low High 15
Remnant Vegetation RM Areas - Remnant Vegetation Summary Table
ORNP Pest Prioritisation Report, June 2009 10
RM1
Location/Area: RM1
Surveyor: James Ryan, Creation Care
Date: 25/05/2009
Vegetation Type: Eucalyptus porosa woodland
Condition: Residual
Comments:
Small pockets of revegetation along the Northern boundary, excellent remnant Eucalyptus porosa, moderate amounts of native understorey but primarily an Olive understorey. Small amounts of Olive control completed along the northern boundary and the track.
Priority Actions:
Continued Olive control with spraying and cut/swab as a priority, and worth controlling the Boxthorn and two weedy Wattle species at the same time. Bridal Creeper requires spraying or hand grubbing control also. Continued revegetation of the small open areas desirable.
Pest Species Density (Low, Medium, High)
Boxthorn Low
Bridal Creeper High
Golden Wreath Wattle Low
Olive High, primary weed species
Plantain High
Rice Millet Low
Scabious Medium
Soursob High
Western Coastal Wattle
Medium
Wild Mustard Low
Wild Oat Medium
ORNP Pest Prioritisation Report, June 2009 11
ORNP Pest Prioritisation Report, June 2009 12
R M 1 – s h o w i n g E u c a l y p t u s p o r o s a o v e r s t o r e y , A c a c i a p a r a d o x a a n d D o d o n a e a v i s c o s a
u n d e r s t o r e y a n d c u r r e n t o l i v e t r e a t m e n t .
ORNP Pest Prioritisation Report, June 2009 13
R M2
Location/Area: RM2
Surveyor: Elijah Jewell & Nat Doecke, Creation Care
Date: 25/05/2009
Vegetation Type: Eucalyptus microcarpa woodland
Condition: Moderate
Comments:
Small pockets of revegetation along the Northern boundary, excellent remnant Eucalyptus microcarpa with moderate amounts of native understorey. Scattered Olive control completed through the area, some regrowth, follow up required.
Priority Actions:
Continued Olive control with spraying and cut/swab as a priority, and worth controlling the Boxthorn, Cotton Bush, African Daisy and Sodom Apple at the same time. Continued revegetation of the small open areas desirable.
Pest Species Density (Low, Medium, High)
African Daisy Low
Boxthorn Low
Capeweed Medium
Cotton Bush Low
Dock Low
Fox Low, burrow observed
Nightshade Low
Nutgrass Low
Olive Medium, primary weed species, mostly along lower parts of slopes
Plantain Low
Rabbits Low, burrows and diggings observed
Salvation Jane Low
Scabious Low
Sodom Apple Low
Soursob Medium
Veldt Grass Low
ORNP Pest Prioritisation Report, June 2009 14
NP Pest Prioritisation Report, June 2009
OR 15
R M 2 – s h o w i n g E u c a l y p t u s m i c r o c a r p a o v e r s t o r e y , Xa n t h o r rh o e a s e m i p l a n a u n d e r s t o r e y a n d
s o m e k a n g a r o o s e n j o y i n g t h e o p e n p a t c h e s .
ORNP Pest Prioritisation Report, June 2009 16
R M3
Location/Area: RM3
Surveyor: Elijah Jewell, Sam Dalton, James Ryan & Nat Doecke, Creation Care
Date: 25/05/2009
Vegetation Type: Eucalyptus microcarpa woodland
Condition: Residual
Comments:
Small pockets of revegetation along the northern and eastern boundary, excellent remnant Eucalyptus microcarpa and patches of Callitris sp, Xanthorrhoea semiplana and Allocasuarina verticillata with low amounts of native understorey. Scattered Olive control completed through the area, some regrowth, follow up required.
Priority Actions:
Follow up Olive control with spraying and cut/swab of main area and targeted Olive control at the dense patch marked in the eastern end of the site, worth controlling the Boxthorn, African Daisy, Cotton Bush and Sodom Apple at the same time. Bridal Creeper requires spraying or hand grubbing control also. Continued revegetation of the open areas to increase the understorey plants desirable.
Pest Species Density (Low, Medium, High)
African Daisy Low
Boxthorn Low
Bridal Creeper Low
Capeweed Low, slightly higher at the open southern ends of the site
Clover Low
Cotton Bush Low
Dock Low
False Caper Low
Horehound Low
Mustard Weed Low
Nightshade Low
Nutgrass Low, slightly higher at the open southern ends of the site
Olive Low, high density patch in the eastern end of the site, spatially recorded
Plantain Low
Quaking Grass Low
Rabbits Low, diggings observed
Salvation Jane Low, slightly higher at the northern end of the site
Scabious Low
Sodom Apple Low
Soursob Low
Wild Oats Low
ORNP Pest Prioritisation Report, June 2009 17
ORNP Pest Prioritisation Report, June 2009 18
R M 3 – s h o w i n g E u c a l y p t u s m i c r o c a r p a o v e r s t o r e y , Xa n t h o r rh o e a s e m i p l a n a u n d e r s t o r e y a n d
p a t c h e s o f o p e n a r e a s .
ORNP Pest Prioritisation Report, June 2009 19
R M4
Location/Area: RM4
Surveyor: Sam Dalton, Creation Care
Date: 25/05/2009
Vegetation Type: Eucalyptus microcarpa woodland
Condition: Poor
Comments:
This is a very degraded site, with only Eucalyptus microcarpa remaining (although these are in excellent condition). The Olives present are not yet too large to spray. The Olive is having a very big impact on the native regeneration and health.
Priority Actions: Targeted Olive control, spraying and minimal cut/swab control required, worth controlling the African Daisy at the same time. Increase native understorey species with revegetation.
Pest Species Density (Low, Medium, High)
Olive High, entire site covered in Olive, spatially recorded
African Daisy Low
Plantain Low
Soursob Low
ORNP Pest Prioritisation Report, June 2009 20
ORNP Pest Prioritisation Report, June 2009 21
R M 4 – s h o w i n g E u c a l y p t u s m i c r o c a r p a o v e r s t o r e y w i t h a d e n s e O l i v e u n d e r s t o r e y .
ORNP Pest Prioritisation Report, June 2009 22
R M5
Location/Area: RM5
Surveyor: Sam Dalton & Elijah Jewell, Creation Care
Date: 25/05/2009
Vegetation Type: Eucalyptus microcarpa woodland
Condition: Poor
Comments:
This site has excellent remnant Eucalyptus microcarpa and some revegetation overlap on the south-eastern boundary. There is some Eucalyptus microcarpa regeneration, but it is predominantly an olive understorey. The Olive is having a very big impact on the native regeneration and health.
Priority Actions:
Targeted Olive control, spraying and cut/swab control required, worth controlling the Scotch Thistle and African Daisy at the same time. Phalaris and Bridal Creeper control desired also. Increase native understorey species with revegetation.
Pest Species Density (Low, Medium, High)
African Daisy Low
Bridal Creeper Low
Capeweed Low, medium patches at the northern end of the site
Dock Low
Horehound Low
Nutgrass Medium
Olive High, entire site covered in Olive, spatially recorded
Phalaris Low, primarily at the northern end of the site, spatially recorded
Plantain Low
Rabbits Low, diggings observed
Salvation Jane Low
Scotch Thistle Low, primarily at the south-eastern edge of the site, spatially recorded
Soursob Low
Wild Oats Low
ORNP Pest Prioritisation Report, June 2009 23
. ~_1I~
Remnant Vegetation Area 5 - 6.9 ha
CRM5 Boundary 0 OtherVegetation Classi1ication (Transparent) '=V Flora species location
N -:b1._.
A ~::-
"tJe_c. ,...-..._..
..,,,
.... B.
_ Remnant Vegetation -- Water Course ~. "~g,..~c_:.I."J~.".,. _ ...~,"" .... ·_
_Revegel&1ion High'l\Ely(di";ded) 010203040
Cleared -- Sealed Road
_ UnknoWl Veg -- Unsealed Road
I I I
Metres
Riparian
_UBU Project Area (Tran",arenl)
~icularTrack
QO .. aparinga NP
ORNP Pest Prioritisation Report, June 2009 24
R M 5 – s h o w i n g E u c a l y p t u s m i c r o c a r p a o v e r s t o r e y a n d a y o u n g O l i v e u n d e r s t o r e y .
ORNP Pest Prioritisation Report, June 2009 25
R M6
Location/Area: RM6
Surveyor: Nat Doecke, Creation Care
Date: 25/05/2009
Vegetation Type: Eucalyptus microcarpa +/- Allocasuarina verticillata woodland
Condition: Good
Comments:
Excellent remnant Eucalyptus microcarpa and Allocasuarina verticillata with a healthy understorey. Patches of open ground at the northern end of the site. The southern end of the site is very steep and in parts almost inaccessible. Where Olive occurs it is having a big impact on the native regeneration and health.
Priority Actions: Control the Olives using spraying and cut/swab, worth controlling the Dog Rose at the same time. Bridal Creeper requires spraying or hand grubbing control also.
Pest Species Density (Low, Medium, High)
Olive Medium, primarily at the northern end of the site, spatially recorded
Dog Rose Low
Phalaris Low
Plantain Medium
Bridal Creeper Medium
Soursob High
Hare Low, single Hare observed
African Daisy Low
Fennel Low
ORNP Pest Prioritisation Report, June 2009 26
~_1I~
.
Remnant Vegetation Area 6 -6.7 ha ~a,oo
CRM6 Boundary 0 OtherVegetation Classi1ication (Transparent) '=V Flora species location
_ Remnant Vegetation -- Water Course
N -:b1._. A ~~: :.-
........ ''I0I0 .... _ .... B ....
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_ UnknoWl Veg -- Unsealed Road
Riparian
_UBU Project Area (Tran",arenl)
~icularTrack
QO .. aparinga NP
ORNP Pest Prioritisation Report, June 2009 27
R M 6 – s h o w i n g t h e n o r t h - w e s t e r n e d g e w i t h E u c a l y p t u s m i c r o c a r p a o v e r s t o r e y a n d O l i v e
u n d e r s t o r e y .
ORNP Pest Prioritisation Report, June 2009 28
R M 6 – s h o w i n g E u c a l y p t u s m i c r o c a r p a + / - A l l o c a s u a r i n a v e r t i c i l l a t a o v e r s t o r e y w i t h h e a l t h y
u n d e r s t o r e y o f p r i m a r i l y D o d o n a e a v i s c o s a a n d A c a c i a p a r a d o x a .
ORNP Pest Prioritisation Report, June 2009 29
R M7
Location/Area: RM7
Surveyor: Nat Doecke, James Ryan & Elijah Jewell, Creation Care
Date: 25/05/2009
Vegetation Type: Eucalyptus microcarpa woodland, Allocasuarina verticillata woodland, Eucalyptus camaldulensis woodland (see comments)
Condition: Moderate
Comments:
This site could be divided into the three different vegetation types listed above. The northern area has good remnant Eucalyptus microcarpa with reasonable understorey, whilst the middle and steeper sections have an Allocasuarina verticillata overstorey and the lower section closer to the Onkaparinga River has a Eucalyptus camaldulensis overstorey. The condition scores moderate as a whole, but if it was divided into three areas each vegetation community would differ slightly in its condition score, with the better condition vegetation existing at the northern end of the site. The site has largely been damaged by fire (estimated 3 + years ago) and the areas damaged by fire have moderate regeneration occurring, primarily Acacia, Dodonaea and Eucalyptus species.
Priority Actions:
African Daisy and Olive require spray unit and cut/swab control along the eastern edge of the site. Watsonia and Ash at the southern end of the site require spraying and cut/swab control.
Pest Species Density (Low, Medium, High)
African Daisy High, predominantly in the fire damaged areas
Ash Low, only occurring at the southern end next to the Onkaparinga River
Bridal Creeper Medium
Capeweed Low
Clover Low
Cotton Bush Low
Couch Low
Dock Low
Dogrose Low
Nightshade Low
Nutgrass Low
Olive Medium, one dense patch in a western gully, spatially recorded
Plantain High
Rabbit Low, diggings observed
Rice Millet Low
Scabious Low
Soursob Medium
Watsonia Low, only occurring at the southern end next to the Onkaparinga River
Wild Mustard Low
Wild Oats Low
ORNP Pest Prioritisation Report, June 2009 30
0"" "g.c:.." ... _ ...~, ~_1I~
"';;":;::Z,,'::!'.t"
Remnant Vegetation Area 7 - 33.9 hOI =aeoo
CRM7 Boundary Cj.. OtherVegetation Classi1ication (Transparent) Flora speaes location
-~:b1.._-.
til
.... B.
_ Remnant Vegetation -- Water Course
_ UnknoWl Veg -- Unsealed Road
~::- ~.';::::::.'~".."..._
-".._ .."'--_._ .....,._ ....._-
_Revegel&1ion Higtl'l\"y(dl",ded) o 50 100 15(> 200
Cleared -- Sealed Road
Riparian -- ~icularTrack
_ UBU Project Area (T ransparenl) QO,*aparinga NP
-b"-:";::"='..!'-~-~-~"~"' "",,_' '''''''''_''' '''
ORNP Pest Prioritisation Report, June 2009 31
R M 7 – s h o w i n g r e m n a n t E u c a l y p t u s c a m a l d u l e n s i s a t t h e s o u t h e r n e n d o f t h e s i t e , w i t h a n o p e n a n d
p a t c h y u n d e r s t o r e y .
R M 7 – s h o w i n g r e m n a n t E u c a l y p t u s c a m a l d u l e n s i s f u r t h e r u p t h e s l o p e b u t s t i l l a t t h e s o u t h e r n e n d o f
t h e s i t e . T h e p h o t o s h o w s f i r e d a m a g e a n d A f r i c a n D a i s y g r o w t h .
ORNP Pest Prioritisation Report, June 2009 32
R M 7 – s h o w i n g r e m n a n t E u c a l y p t u s m i c r o c a r p a o v e r s t o r e y g r o w i n g u p t h e w e s t e r n s l o p e s .
R M 7 – r e m n a n t E u c a l y p t u s m i c r o c a r p a o v e r s t o r e y a t t h e n o r t h e r n e n d o f s i t e , w i t h A c a c i a r u p i c o l a ,
A c a c i a p a r a d o x a , D o d o n a e a v i s c o s a a n d X a n t h o r rh o e a s e m i p l a n a u n d e r s t o r e y .
ORNP Pest Prioritisation Report, June 2009 33
R M8
Location/Area: RM8
Surveyor: Sam Dalton, Creation Care
Date: 25/05/2009
Vegetation Type: Eucalyptus microcarpa closed forest
Condition: Moderate
Comments:
This site overlaps Urban Biodiversity Unit involvement, and as such only the eastern end of the site has been surveyed (all density information refers only to the eastern end of the site). The site has excellent remnant Eucalyptus microcarpa with patches of Acacia rupicola and Acacia paradoxa understorey, however it is predominantly an Olive understorey. The eastern end of the site is dangerously steep with a shale ground. The Olive is interfering with native understorey regeneration.
Priority Actions:
Olive control required using spray unit and cut/swab, however great care needs to be taken due to the extreme slope. Cotton Bush can be controlled at the same time. Bridal Creeper spray or hand grubbing required and an African Daisy spray or hand pull desired.
Pest Species Density (Low, Medium, High)
African Daisy Low
Bridal Creeper Medium, whole site
Clover Low
Cotton Bush Low
Olive High, spatially recorded
Plantain Low
Sheep Low
Soursob Low
ORNP Pest Prioritisation Report, June 2009 34
-:b1._. ~.- ~_1I~
Remn3nt Veget3tion Area 8 -10.6 hOI
eRMa Boundary 0 N _ ..-.... .... ".
OtherVegetation Classi1ication (Transparent) '=V Flora species location
A ~::- "tJe_c. ,...-..._.. ..,,, _ Remnant Vegetation -- Water Course ~. "~g,..~c_:.I."J~.".,. _ ...~,"" .... ·_
_Revegel&1ion High'l\Ely(di";ded)
Cleared -- Sealed Road
_ UnknoWl Veg -- Unsealed Road
Riparian
_UBU Project Area (Tran",arenl)
~icularTrack
Q0,.aparinga NP
ORNP Pest Prioritisation Report, June 2009 35
R M 8 – l o o k i n g a c r o s s a t t h e s i t e f r o m t h e o p p o s i t e s l o p e s h o w i n g r e m n a n t E u c a l y p t u s
m i c r o c a r p a o v e r s t o r e y w i t h d e n s e O l i v e u n d e r s t o r e y .
ORNP Pest Prioritisation Report, June 2009 36
RM9
Location/Area: RM9
Surveyor: Sam Dalton, Creation Care
Date: 25/05/2009
Vegetation Type: Eucalyptus microcarpa open woodland
Condition: Residual
Comments:
Small pockets of revegetation on the southern boundary, site has excellent remnant Eucalyptus microcarpa and some remnant Eucalyptus camaldulensis along the drainage line and areas on the steep western slopes with moderate understorey. Extensive Olive control has been completed on all of the site except the main drainage line.
Priority Actions:
Continued Olive control along the drainage line with spraying and cut/swab as a priority, and worth controlling the Cotton Bush at the same time. Bridal Creeper requires spraying or hand grubbing control also. Continued revegetation of the small open areas desirable.
Pest Species Density (Low, Medium, High)
Bridal Creeper Medium, mainly on the western slopes
Capeweed Low
Clover Low
Cotton Bush Low
Olive Medium, control been completed in most of site, high density along watercourse, spatially recorded
Plantain Low
Scabious Low
Sheep Low
Soursob Medium
Wild Oats Low
ORNP Pest Prioritisation Report, June 2009 37
....._ 0""
-:b1._. A
Remnant Vegetation Area 9 - 6.7 ha ~9500
CRM9 Boundary 0 OtherVegetation Classi1ication (Transparent) '=V Flora species location
_ Remnant Vegetation -- Water Course
N _ ..-... .......
til
c...":o _ ~CD"''''4
~::- ~.';::::::.'~"" "g.c:..,' ... _ ...~, ~_1I~
_Revegel&1ion High'l\Ely(di";ded)
Cleared -- Sealed Road
_ UnknoWl Veg -- Unsealed Road
Riparian
_UBU Project Area (Tran",arenl)
~icularTrack
QO .. aparinga NP
ORNP Pest Prioritisation Report, June 2009 38
RM9 – showing Eucalyptus microcarpa overstorey and grassy open areas. Olive control has been completed
in the foreground of the photo, with mature Olives in the background of the photo.
ORNP Pest Prioritisation Report, June 2009 39
RM10
Location/Area: RM10
Surveyor: James Ryan & Elijah Jewell, Creation Care
Date: 20/05/2009
Vegetation Type: Eucalyptus camaldulensis woodland
Condition: Residual
Comments:
Isolated remnant Eucalyptus camaldulensis, but predominantly a Dodonaea sp and Leptospermum sp understorey with high regeneration after the fire. Very steep site and the entire area has been damaged by a recent fire (estimated 3 + years ago), small patches of Olives have been treated, but some that were cut off at the base are regrowing.
Priority Actions:
Spray control for African Daisy with a sweep through for Olive at the same time. Dog Rose and Watsonia can also be sprayed at the same time. Cut/swab Radiata Pine. It would be desirable to increase the presence of Eucalyptus microcarpa also.
Pest Species Density (Low, Medium, High)
African Daisy High, all over the site
Brown Finger Orchid Low
Cotton Bush Low
Dock Low
Dog Rose Low, primarily along the Onkaparinga River at the southern boundary
Fennel Low, primarily along the Onkaparinga River at the southern boundary
Hare Low, single hare observed
Mustard Low
Radiata Pine Low, but mature plants
Olive Low
Plantain Medium, all over the site
Rabbit Low, diggings observed
Rice Millet Low
Salvation Jane Low
Soursob Low
Watsonia Medium, primarily along the Onkaparinga River at the southern boundary
ORNP Pest Prioritisation Report, June 2009 40
_Unkno'lln Veg -- Unsealed Road Riparian -- \t!hiclAer Track
*"
-
A
Remnant Vegetation Area 10 ·2.6 ha
c:JRM10 Boundary r=. Other Vegetation Classiication (Transperef"'j) W Flora spedes location
_Remnant Vegetation --vvater Course
.......... .,.., tJo." •• , .. ". b ....... , ~ dHII ... .n
N
!J .......... ~.
c.r-,._ ". 0'._l_C"~Iodd1c#_ , -. .. ".. •
Cleared -- Sealed Road
_.t.o, ..
-- ~
:-I ...
_ Revegetation -- Highwoy (di\oided) o 10 20 30 40 50 ~::::-;.E,~:.~.~.-~~..
_._ - ,.~ ....
..... ........--, .._ .. 1.~oJ ~,
~~,t:·'.:~..~. :=:.:~~
.~..~.~~..~.... ::.!-:... _ UBU ProjectAtea (Tra"",arenl) MOnkaparinga NP
ORNP Pest Prioritisation Report, June 2009 41
R M 1 0 – s h o w i n g s c a t t e r e d E u c a l y p t u s c a m a l d u l e n s i s o v e r s t o r e y w i t h d e n s e , f i r e d a m a g e d
u n d e r s t o r e y .
ORNP Pest Prioritisation Report, June 2009 42
R M1 1
Location/Area: RM11
Surveyor: Sam Dalton & Nat Doecke, Creation Care
Date: 20/05/2009
Vegetation Type: Eucalyptus microcarpa woodland
Condition: Moderate
Comments:
The entire site is fire damaged (estimated 3 + years ago), with the remnant Eucalyptus microcarpa starting to reshoot now. The site has a high number of Dodonaea viscosa, Acacia rupicola and Acacia paradoxa regenerating also. It is also quite steep. The condition was scored as moderate, as despite the fire there is still a high diversity of native species and quite a low quantity of weeds.
Priority Actions:
The site has a relatively low quantity of weeds, a quick sweep through for African Daisy, Olive and Bridal Creeper using spray unit control would be sufficient weed control. It would be beneficial to increase the understorey diversity also.
Pest Species Density (Low, Medium, High)
African Daisy Low
Bridal Creeper Low
Olive Low
Plantain Low
Rabbits Medium, rabbit warren located at the western edge of the site
Soursob Low
Wild Oats Medium
ORNP Pest Prioritisation Report, June 2009 43
. ~_1I~
Remnant Vegetation Area 11 - 2.6 hOI
CRM11 Bound81Y 0 OtherVegetation Classi1ication (Transparent) '=V Flora species location
N -:b1._.
A ~::-
"tJe_c. ,...-..._..
.... _ .... B.'..
..,,,
_ Remnant Vegetation -- Water Course ~. ~"g,..~c_:.I."J~.".,. _ ...~,""", .. ·_
_Revegela1ion High'l\Ely(di";ded) o 10 20 30 <I() SO Cleared -- Sealed Road
_ UnknoWl Veg -- Unsealed Road
Riparian
_UBU Project Area (Tran",arenl)
~icularTrack
Q0,.aparinga NP
ORNP Pest Prioritisation Report, June 2009 44
R M 1 1 – s h o w i n g s c a t t e r e d E u c a l y p t u s m i c r o c a r p a o v e r s t o r e y w i t h f i r e d a m a g e a n d
r e g e n e r a t i n g A c a c i a r u p i c o l a , A c a c i a p a r a d o x a a n d D o d o n a e a v i s c o s a u n d e r s t o r e y .
ORNP Pest Prioritisation Report, June 2009 45
RM12
Location/Area: RM12
Surveyor: Sam Dalton, Nat Doecke, Elijah Jewell & James Ryan, Creation Care
Date: 20/05/2009
Vegetation Type: Eucalyptus microcarpa woodland, Acacia paradoxa shrubland, Eucalyptus microcarpa open forest (see comments)
Condition: Residual
Comments:
This site could be divided into the three different vegetation types listed above. There is a patch of dense Acacia paradoxa shrubland at the northern end of the site, two strips of Eucalyptus microcarpa open forest stretching out into the open land in the middle of the site, and fire damaged Eucalyptus microcarpa woodland at the western end of the site. The condition was scored as residual as a whole, but if it was divided into three areas each vegetation community would differ slightly in its condition score. The Acacia paradoxa shrubland is in good condition, the Eucalyptus microcarpa open forest areas are in poor condition and the remainder of the site is in moderate condition. There are large open areas in this site also. The site has largely been damaged by fire (estimated 3 + years ago).
Priority Actions:
Olive control required with spraying and cut/swab control, African Daisy and Bridal Creeper spraying control in the burnt areas. Any Dog Rose and Cotton Bush in the controlled area could be controlled at this time also. Ash, Broom and Watsonia control along the Onkaparinga River. Phalaris control along the open drainage lines. To return the whole site to a Eucalyptus microcarpa woodland, large areas need total revegetation.
Pest Species Density (Low, Medium, High)
African Daisy High, predominantly in the burnt area
Ash Low, occurring along the western edge adjacent to the Onkaparinga River
Bridal Creeper Moderate, predominantly in the burnt area
Broom Low, occurring along the western edge adjacent to the Onkaparinga River
Capeweed Low
Clover Low
Cotton Bush Low
Dock Low
Dog Rose Low
Fox Low, single fox observed
Horehound Low
Nutgrass Low
Olive Medium, predominantly on the western edge and the strips of remnant vegetation with higher numbers in the drainage lines, spatially recorded
Phalaris Low, found in the drainage lines
Plantain Moderate
Rabbits Low, diggings observed
Salvation Jane Low
Soursob Low
Watsonia Low, occurring along the western edge adjacent to the Onkaparinga River
Wild Oats Low
ORNP Pest Prioritisation Report, June 2009 46
_
"';;":;::Z,,'::!'.t"
A
Remn,lnt Vegetation A rea 12 - 30 ha ~reoo 2leCP..oo
CRM12 BoundalY Cj.. OtherVegetation Classi1ication (Transparent) Flora speaes location
N -~:b1.._-. ..... ''I0I0 .... _ .... B ....
til
~::- ~.';::::::"~"" "' ... _ Remnant Vegetation -- Water Course 0"" "g.c:..,' ... _ ...~, ~_1I~
_ UnknoWl Veg -- Unsealed Road
-".._ .."'--_._ ..... ,._ ..... _-
_Revegel&1ion High'l\Ely(dl"'ded) o 25 50 75 100
Cleared -- Sealed Road
Riparian -- ~icularTrack
_ UBU Project Area (T ransparenl) QO<*aparinga NP
-b-":";:":='..-!'-~-~"~"~"'",,_' '''''''''_''' '''
ORNP Pest Prioritisation Report, June 2009 47
R M 1 2 – s h o w i n g E u c a l y p t u s m i c r o c a r p a o v e r s t o r e y w i t h O l i v e u n d e r s t o r e y . T h i s p h o t o i s t a k e n
f r o m t h e e a s t e r n b o u n da r y l o o k i n g i n t o t h e E u c a l y p t u s m i c r o c a r p a ‘ f i n g e r ’ i n t h e m i ddl e o f t h e
a r e a .
R M 1 2 – E u c a l y p t u s m i c r o c a r p a o v e r s t o r e y w i t h h e a l t h y u n d e r s t o r e y o n t h e w e s t e r n ‘ k n o l l ’ .
ORNP Pest Prioritisation Report, June 2009 48
R M1 3
Location/Area: RM13
Surveyor: Sam Dalton, Nat Doecke, Elijah Jewell & James Ryan, Creation Care
Date: 20/05/2009
Vegetation Type: Allocasuarina verticillata closed forest, Eucalyptus fasciculosa +/- Allocasuarina verticillata woodland (see comments)
Condition: Good
Comments:
There are excellent patches of dense Allocasuarina verticillata closed forests in the steeper, rockier parts of the site, with patches of Eucalyptus fasciculosa +/- Allocasuarina verticillata woodland in the remainder of the site. Eucalyptus camaldulensis are also present at the southern end of the site adjacent to the Onkaparinga River. The site has more weeds the closer it is to the Onkaparinga River. There are also thick patches of Acacia paradoxa understorey. Parts of the site are dangerously steep. *There is a reasonable amount of dead Xanthorrhoea semiplana which could indicate disease (Phytophthora)*.
Priority Actions:
Continued Olive control with spraying and cut/swab in the north-western areas as a priority, and worth controlling the Cotton Bush in that area at the same time. Bridal Creeper requires spraying or hand grubbing control also. Watsonia, Dog Rose and Ash along the Onkaparinga River boundary requires spraying or cut/swab control.
Pest Species Density (Low, Medium, High)
Olive Medium, predominantly along the drainage lines and north-western open areas
Cotton Bush Low
Watsonia
Medium, predominantly along the drainage lines and along the southern boundary adjacent to the Onkaparinga River
Bridal Creeper Medium, across the whole site
African Daisy Low
Dandelion Low
Rabbits Low
Soursob Low
Three Corner Garlic Low, along the main drainage line heading north-south
Quaking Grass Low
Plantain Low
Dog Rose Low, along the southern boundary adjacent to the Onkaparinga River
Ash Medium, along the southern boundary adjacent to the Onkaparinga River
ORNP Pest Prioritisation Report, June 2009 49
RNP Pest Prioritisation Report, June 2009
O 50
R M 1 3 – s h o w i n g A l l o c a s u a r i n a v e r t i c i l l a t a o v e r s t o r e y w i t h A c a c i a p a r a d o x a u n d e r s t o r e y . T h i s
p h o t o i s t a k e n o n t h e e d g e o f t h e a r e a l o o k i n g i n , a s t h e c e n t r e o f t h e a r e a i s s o d e n s e w i t h
A c a c i a p a r a d o x a a n d A l l o c a s u a r i n a v e r t i c i l l a t a i t i s d i f f i c u l t t o g e t a g o o d p h o t o .
ORNP Pest Prioritisation Report, June 2009 51
R M1 4
Location/Area: RM14
Surveyor: Sam Dalton, Nat Doecke, Elijah Jewell & James Ryan, Creation Care
Date: 20/05/2009
Vegetation Type:
Eucalyptus microcarpa +/- Eucalyptus fasciculosa woodland, Allocasuarina verticillata closed forest, Callitris rhombodia closed forest, Eucalyptus microcarpa woodland, Eucalyptus fasciculosa woodland (see comments)
Condition: Good
Comments:
This site could be divided into four different areas. The northern most area distinguished by the narrow junction at Gate 7 is primarily a Eucalyptus microcarpa +/- Eucalyptus fasciculosa woodland (possibly even an open forest). The middle area starting at the narrow junction at Gate 7 and moving until the next narrow junction above RA7 has excellent patches of dense Allocasuarina verticillata closed forests in the steeper, rockier parts of the site, with patches of Callitris rhombodia closed forest in the remainder of the site. The north-western edge of this site has some Eucalyptus fasciculosa woodland. The remainder of the site is predominantly a Eucalyptus microcarpa woodland. There are also thick patches of Acacia paradoxa shrubland, and most of the area has reasonable understorey. Parts of the site are dangerously steep. The southern end of the site as well as a patch in the northern end of the site has been damaged by fire (estimated 3 + years ago).
Priority Actions:
Olive is the primary weed needing control. Control work has and is being completed in the northern area of the site. This should be continued across the whole site with spraying and cut/swab, however, the Olive in the southern end of the site has been fire damaged and is not in the optimum control stage. The remainder of the Ash, Watsonia and Phalaris in the northern area of the site controlled also. The Radiata Pine found at the southern end of the site should be controlled, and any Cotton Bush and Dog Rose in the same vicinity controlled. African Daisy is a secondary priority also.
Pest Species Density (Low, Medium, High)
African Daisy Low, moderate to high along the gullies but low everywhere else
Ash Low, moderate to high along the gullies but none everywhere else
Bridal Creeper Low, moderate to high along the gullies but low everywhere else
Brown Finger Orchid Low
Clover Low
Cotton Bush Low, scattered plants found at the southern end of the site
Dandelion Low
Dock Low
Dog Rose Low, scattered plants found at the southern end of the site
Fennel Low, only found along the boundary adjacent to the Onkaparinga River
Nightshade Low, predominantly in the gullies and where olive has been controlled
Nutgrass Low
Olive Medium, higher density in the gullies and along some slopes, moderate density elsewhere, spatially recorded
Phalaris Low, at the northern end of the site in the northern most gully
Plantain Low
ORNP Pest Prioritisation Report, June 2009 52
Quaking Grass Low
Rabbits Low
Radiata Pine Low, scattered plants found at the southern end of the site
Salvation Jane Low
Soursob Low
Watsonia Low, predominantly at the northern end and at the boundary adjacent to the Onkaparinga River
R M 1 4 – s h o w i n g E u c a l y p t u s f a s c i c u l o s a o v e r s t o r e y a l o n g t h e n o r t h - w e s t e r n e d g e o f t h e a r e a ,
v e r y h e a l t h y u n d e r s t o r e y w i t h d i v e r s e n a t i v e s p e c i e s .
ORNP Pest Prioritisation Report, June 2009 53
ORNP Pest Prioritisation Report, June 2009 54
R M 1 4 – s h o w i n g t h e b e g i n n i n g s o f t h e A l l o c a s u a r i n a v e r t i c i l l a t a o v e r s t o r e y w i t h h e a l t h y ,
d e n s e a n d d i v e r s e u n d e r s t o r e y . T h i s p h o t o i s t a k e n o n t h e e d g e o f t h e A l l o c a s u a r i n a
v e r t i c i l l a t a v e g e t a t i o n a s s o c i a t i o n l o o k i n g i n , a s t h e c e n t r e o f t h e a r e a i s s o d e n s e w i t h A c a c i a
p a r a d o x a a n d A l l o c a s u a r i n a v e r t i c i l l a t a i t i s d i f f i c u l t t o g e t a g o o d p h o t o .
ORNP Pest Prioritisation Report, June 2009 55
R M 1 4 – s h o w i n g E u c a l y p t u s m i c r o c a r p a o v e r s t o r e y w i t h s o m e A c a c i a p a r a d o x a a n d D o d o n a e a
v i s c o s a u n d e r s t o r e y . T h e p h o t o w a s t a k e n a t t h e n o r t h e r n e n d o f t h e a r e a .
ORNP Pest Prioritisation Report, June 2009 56
R M 1 4 – s h o w i n g E u c a l y p t u s m i c r o c a r p a o v e r s t o r e y w i t h h e a l t h y a n d d i v e r s e u n d e r s t o r e y . T h i s
i s t y p i c a l o f t h e n o r t h e r n a r e a a n d p a r t s o f t h e s o u t h e r n a r e a .
ORNP Pest Prioritisation Report, June 2009 57
RM15
Location/Area: RM15
Surveyor: Sam Dalton, Creation Care
Date: 20/05/2009
Vegetation Type: Eucalyptus fasciculosa woodland
Condition: Excellent
Comments:
This site has excellent remnant vegetation, both the overstorey and understorey layer with good groundcovers and grasses present also. There is some fire damage to small areas of the site. Since it is close to the road, it has scattered rubbish through it.
Priority Actions:
Control the Bridal Creeper along the roadside to stop it spreading into the rest of the site. A thorough scouting for Olive, Cotton Bush and African Daisy using knapsack control would likely be sufficient to keep it in excellent condition.
Pest Species Density (Low, Medium, High)
African Daisy Low, predominantly at the northern end
Bridal Creeper Low, along boundary of the roadside (western boundary)
Cotton Bush Low, predominantly at the northern end
Olive Low, very isolated small plants through site
Plantain Low
Soursob Low
R M 1 5 – s h o w i n g E u c a l y p t u s f a s c i c u l o s a o v e r s t o r e y w i t h f i r e d a m a g e , b u t l o t s o f r e g e n e r a t i o n
a n d h e a l t h y a n d d i v e r s e u n d e r s t o r e y
ORNP Pest Prioritisation Report, June 2009 58
ORNP Pest Prioritisation Report, June 2009 59
Revegetation Areas RV Areas - Revegetation Summary Table
RV Area Condition Revegetation Present Weed Infestation Level Overall Ranking
RV1 Moderate High Low 1
RV12 Moderate High Low 2
RV11 Moderate High Low 3
RV2 Moderate High Medium 4
RV6 Residual Medium Medium 5
RV8 Residual Medium Medium 6
RV9 Residual Medium Medium 7
RV5 Residual Medium Medium 8
RV10 Residual Medium Medium 9
RV3 Residual Low Medium 10
RV7 Poor Medium High 11
RV4 Poor Low Medium 12
ORNP Pest Prioritisation Report, June 2009 60
RV1
Location/Area: RV1
Surveyor: Sam Dalton, James Ryan, Elijah Jewell & Nat Doecke, Creation Care
Date: 25/05/2009
Vegetation Type: Eucalyptus porosa woodland (target)
Condition: Moderate
Comments:
The revegetation is quite healthy and advanced in growth with a good diversity of species such as Acacia paradoxa, Acacia pycnantha, Melaleuca lanceolata, Dodonaea viscosa & Allocasuarina verticillata.
Priority Actions: A sweep through for Olive, Boxthorn, Cotton Bush, Sodom Apple and Scotch Thistle should be completed.
Pest Species Density (Low, Medium, High)
Boxthorn Low
Capeweed Low
Clover Medium
Cotton Bush Low
Dock Low
Fox Low
Horehound Low
Nutgrass High
Olive Low, control has been undertaken in the site, slightly higher density of olives at the western edge
Onion Weed Low, slightly higher at the northern end
Rabbits Low, diggings observed
Salvation Jane Low
Scabious Medium
Scotch Thistle Low
Sodom Apple Low
Soursob High
Wild Oats Low, slightly higher at the eastern end
ORNP Pest Prioritisation Report, June 2009 61
til
Revegetation Area 1 - 30.1 ha -::3:200
..... ''I0I0 .... _ .... B.' ..
CRV1 Boundary 0 OtherVegetation Classi1ication (Transparent) '=V Flora species location
_ Remnant Vegetation -- Water Course
-:b1.._-. "_,-..._.... ..
~. ~"g,..~c_:.
I."J~
.".,. _ ...~,
""", .. ·_
_Revegel&1ion High'l\Ely(di";ded) o so 100 150 ~::- ,,,
~_1I~
Cleared -- Sealed Road
_ UnknoWl Veg -- Unsealed Road
Riparian
_UBU Project Area (Tran",arenl)
~icularTrack
QO .. aparinga NP
ORNP Pest Prioritisation Report, June 2009 62
R V 1 – s h o w i n g e s t a b l i s h e d E u c a l y p t u s p o r o s a a n d s h r u b s p e c i e s w i t h o p e n p a t c h e s o f g r o u n d .
ORNP Pest Prioritisation Report, June 2009 63
R V2
Location/Area: RV2
Surveyor: Sam Dalton, James Ryan, Nat Doecke & Elijah Jewell, Creation Care
Date: 25/05/2009
Vegetation Type: Eucalyptus porosa woodland (target)
Condition: Moderate
Comments:
The revegetation is quite healthy and advanced in growth with a good diversity of species such as Acacia paradoxa, Acacia pycnantha, Melaleuca lanceolata, Dodonaea viscosa & Allocasuarina verticillata. There are significant patches of open, weed infested areas amongst the revegetation.
Priority Actions:
A sweep through for Olive, Boxthorn, Sodom Apple, False Wattle, Coastal Wattle and Scotch Thistle should be completed. More overstorey species are needed in the western 'point' of this site, and plantings needed in the open areas once the weeds have been removed.
Pest Species Density (Low, Medium, High)
Boxthorn Low, primarily around the northern boundary
Capeweed Low
Clover Low
Coastal Wattle Low
False Wattle Low
Hare Low, single hare observed
Horehound Medium, primarily along the edges of the revegetation
Mustard Weed Low
Nutgrass Medium
Olive Medium, but some very dense patches where revegetation is limited
Onion Weed Low
Rabbits Low, diggings observed
Scabious Medium
Scotch Thistle Low
Sodom Apple Low
Soursob High
Wild Oats Low
Wild Turnip Low
ORNP Pest Prioritisation Report, June 2009 64
~ woo
Revegetation Area 2 - 28.8 ha
CRV2 Boundary 0 OtherVegetation Classi1ication (Transparent) '=V Flora species location
~HOO
N
A
-:b1.._-. "tJe_c. ,..-..._... ..
_ Remnant Vegetation -- Water Course
~. ~"g,..~c_:.
I."J~
.".,. _ ...~,
""", .. ·_
_Revegel&1ion High'l\Ely(di";ded) o 40 SO 120 ~::- ,,,
~_1I~
Cleared -- Sealed Road
_ UnknoWl Veg -- Unsealed Road
Riparian
_UBU Project Area (Tran",arenl)
~icularTrack
QO .. aparinga NP
ORNP Pest Prioritisation Report, June 2009 65
R V 2 – s h o w i n g E u c a l y p t u s p o r o s a , A l l o c a s u a r i n a v e r t i c i l l a t a , A c a c i a p a r a d o x a a n d A c a c i a
r u p i c o l a r e v e g e t a t i o n , w i t h p a t c h e s o f O l i v e a n d o p e n g r a s s y a r e a s .
ORNP Pest Prioritisation Report, June 2009 66
R V3
Location/Area: RV3
Surveyor: Elijah Jewell, Creation Care
Date: 26/05/2009
Vegetation Type: Eucalyptus porosa woodland, Acacia pycnantha +/- Dodonaea viscosa shrubland, Eucalyptus microcarpa woodland (see comments)
Condition: Residual
Comments:
This site could be divided into four areas. The western most end is a revegetated Eucalyptus porosa woodland in reasonable condition with moderate diversity of native plants. The middle area has a large patch of open weedy grassland and an area of revegetation with primarily Acacia pycnantha and Dodonaea viscosa surviving. The eastern end has some remnant Eucalyptus microcarpa as well as revegetated species and is in moderate condition. But as a whole the site is very degraded and the diversity of species should be increased.
Priority Actions:
The Olive, Boxthorn, African Daisy and Scotch Thistle invading from the southern edge can all be controlled at the same time using spraying and cut/swab control. The Coastal Wattle and Pepper Tree should be controlled using cut/swab.
Pest Species Density (Low, Medium, High)
African Daisy Low, isolated patches particularly at the southern edge of the site
Boxthorn Medium, invading from the southern edge
Capeweed Low
Clover Low
Coastal Wattle? Low, two plants observed in the north-eastern corner
Dock Low
Horehound Low, predominantly in the western corner
Marshmallow Low, two clumps observed at the north-eastern corner
Nightshade Low
Olive Medium, invading from the southern edge
Onion Weed Low
Pepper Tree Low, two plants observed in the south-western corner
Phalaris Low, two patches observed, one at either end of the site
Rabbits Low, diggings observed
Rice Millet Low
Salvation Jane Low, scattered plants on the northern edge of the site
Scabious Low
Scotch Thistle Medium, invading from the southern edge in the middle of the site
Sodom Apple Low, predominantly in the western corner
Soursob High
Stinging Nettle Low, one clump observed at the north-eastern corner
Wild Mustard Low, predominantly in the western corner
Wild Oats High
ORNP Pest Prioritisation Report, June 2009 67
ORNP Pest Prioritisation Report, June 2009 68
R V 3 – s h o w i n g e s t a b l i s h e d E u c a l y p t u s p o r o s a a t t h e e a s t e r n e n d o f t h e s i t e .
R V 3 – s h o w i n g A c a c i a p y c n a n t h a d i r e c t s e e d i n g r e s u l t s a t t h e e a s t e r n e n d o f t h e s i t e .
ORNP Pest Prioritisation Report, June 2009 69
R V 3 – s h o w i n g t h e s c a t t e r e d r e v e g e t a t i o n i n t h e m i d d l e o f t h e a r e a .
R V 3 – s h o w i n g t h e s c a t t e r e d r e s u l t s o f t h e o p e n p a t c h i n t h e m i d d l e o f t h e a r e a , w i t h m o r e
ORNP Pest Prioritisation Report, June 2009 70
s u c c e s s f u l r e v e g e t a t i o n a t t h e b a c k g r o u n d o f t h e p h o t o .
R V 3 – s h o w i n g E u c a l y p t u s p o r o s a r e v e g e t a t i o n a t t h e w e s t e r n e n d o f t h e a r e a .
ORNP Pest Prioritisation Report, June 2009 71
RV4
Location/Area: RV4
Surveyor: Elijah Jewell, Creation Care
Date: 26/05/2009
Vegetation Type: Eucalyptus microcarpa woodland (target)
Condition: Poor
Comments:
The eastern end of the site has good quality remnant Eucalyptus microcarpa but the remainder of the site has little to no remnants. The revegetation needs infill and more diversity. Olive control has been completed in the site but need follow up and more control.
Priority Actions:
A sweep of the site for African Daisy, Cotton bush, Olive, Scotch Thistle and Sodom Apple can be completed at the same time. The native presence and diversity needs to be increased by further revegetation
Pest Species Density (Low, Medium, High)
African Daisy Low
Cape Tulip Low, predominantly at the eastern end
Capeweed Low
Clover Low
Cottonbush Low, scattered patches observed in the middle of the site
Dock Low
Horehound Low
Nightshade Low, scattered patches observed in the middle of the site
Nutgrass Low, predominantly at the eastern end
Olive Medium
Onion Weed Low
Rabbits Low, diggings observed
Rice Millet Low, single patch observed at the western end
Salvation Jane Low
Scabious High
Scotch Thistle Low, predominantly at the eastern end
Sodom Apple Low
Soursob Medium
Wild Mustard Low
Wild Oats Medium
ORNP Pest Prioritisation Report, June 2009 72
RNP Pest Prioritisation Report, June 2009
O 73
R V 4 – s h o w i n g t h e r e v e g e t a t i o n e f f o r t s a t t h e e a s t e r n e n d o f t h e a r e a .
R V 4 – s h o w i n g r e v e g e t a t i o n a t t h e w e s t e r n e n d o f t h e a r e a .
ORNP Pest Prioritisation Report, June 2009 74
R V5
Location/Area: RV5
Surveyor: James Ryan, Nat Doecke & Elijah Jewell, Creation Care
Date: 25/05/2009
Vegetation Type: Eucalyptus porosa woodland (target)
Condition: Residual Comments:
The revegetation consists predominantly of Acacia pycnantha but is quite scattered in its success.
Priority Actions:
Olive control is the primary action required, but it is worth controlling the African Daisy, Cotton Bush, Scotch Thistle and Sodom Apple at the same time. Kikuyu and Phalaris will become more of a problem if left; control of these two is desirable also. The revegetation needs infill with a greater number and diversity of species after weed control is complete.
Pest Species Density (Low, Medium, High)
African Daisy Medium
Capeweed Medium
Clover Low
Cotton Bush Low
Dock Low
Horehound Medium
Kikuyu Low
Olive High
Onion Weed Medium
Phalaris Medium, predominantly along the drainage lines
Plantain Medium
Salvation Jane Low
Scabious Medium
Scotch Thistle Medium
Sodom Apple Low
Soursob High
Wild Mustard Medium
Wild Oats Medium
Wireweed Low
Texas Needle Grass Low, from previous surveys
ORNP Pest Prioritisation Report, June 2009 75
RNP Pest Prioritisation Report, June 2009
O 76
R V 5 – s h o w i n g t h e P h a l a r i s c l u m p s a l o n g t h e d r a i n a g e l i n e a n d t h e r e v e g e t a t i o n a b o v e .
R V 5 – s h o w i n g t h e S c o t c h T h i s t l e a n d o p e n p a t c h e s a b o v e t h e r e v e g e t a t i o n .
ORNP Pest Prioritisation Report, June 2009 77
R V6
Location/Area: RV6
Surveyor: Sam Dalton, Creation Care
Date: 25/05/2009
Vegetation Type: Undefinable (see comments)
Condition: Residual
Comments:
The site is predominantly Acacia pycnantha and other shrub species, there are very little overstorey species and not enough to classify the site as any particular vegetation type. The Acacia pycnantha's are dying off also. There is very little regeneration, some Dodonaea viscosa regeneration.
Priority Actions:
A sweep through the site for Olive, African Daisy, Cotton Bush, Scotch Thistle and Sodom Apple at the same time as a priority, followed by a cut/swab of any large Olives remaining.
Pest Species Density (Low, Medium, High)
Olive High, throughout the whole site
African Daisy Low
Cotton Bush Low
Nutgrass Low
Plantain Low
Scabious Low
Scotch Thistle Medium, throughout the whole site
Sodom Apple Low
Soursob High
Wild Mustard Low
Texas Needle Grass Low, from previous surveys
R V 6 – s h o w i n g t h e d o m i n a n t A c a c i a p y c n a n t h a s p e c i e s a n d t h e O l i v e a n d S c o t c h T h i s t l e
t h r o u g h o u t t h e o p e n a r e a s .
ORNP Pest Prioritisation Report, June 2009 78
ORNP Pest Prioritisation Report, June 2009 79
R V7
Location/Area: RV7
Surveyor: Sam Dalton, Nat Doecke & Elijah Jewell, Creation Care
Date: 26/05/2009
Vegetation Type: Undefinable (see comments)
Condition: Poor
Comments:
This is quite a large site with several distinctive changes in its vegetation structure. There are four patches of thick, direct seeding revegetation consisting mainly of Acacia rupicola, Acacia paradoxa, Dodonaea viscosa and other scattered species. These patches are located at the very western corner, the very eastern corner, directly below RM5 and directly above RM6. There are also patches of older plantings of Eucalyptus microcarpa, Allocasuarina verticillata and Eucalyptus fasciculosa which are quite advanced but have no understorey. There are also open patches where little to no native vegetation exists and are almost entirely dominated by olives. Some of the gullies have erosion problems with a reasonably large soil slip in the eastern most drainage line. Portions of the site in the eastern area have been damaged by recent fires (estimated < 2 years ago). Parts of the site are very steep.
Priority Actions:
Olive is the dominant weed requiring control. The patches marked on the map with dense Olive require spraying and cut/swab control and the rest of the site needs a sweep with spray control. It is worth controlling the African Daisy, Boxthorn, Bridal Creeper, Cotton Bush, Dog Rose and Scotch Thistle at the same time. The Phalaris in the open northern patches require spraying control It is suggested that the site is divided up into different zones depending on the age and method of revegetation and further plantings take place after the control discussed above is completed.
Pest Species Density (Low, Medium, High)
African Daisy Low, some patches in open areas
Barley Grass Low
Boxthorn Low
Bridal Creeper Low
Cape Tulip Low, scattered patches
Capeweed Low
Clover Low
Cotton Bush Low
Dock Low
Dog Rose Low
Horehound Low, isolated plants
Nutgrass Medium
Olive Medium, low at the northern ends, High on the southern slopes, spatially recorded
Phalaris Medium, high at some open northern patches
Plantain Medium
Quaking Grass Low
Rabbits Low, diggings observed
Salvation Jane Medium
ORNP Pest Prioritisation Report, June 2009 80
Scotch Thistle Low, high at the south point behind RM5, spatially recorded
Soursob High
Stinging Nettle Low
Wild Mustard Low
Wild Oats High
R V 7 – s h o w i n g f i r e d a m a g e d E u c a l y p t u s f a s c i c u l o s a i n t h e n o r t h - e a s t e r n c o r n e r .
ORNP Pest Prioritisation Report, June 2009 81
RNP Pest Prioritisation Report, June 2009
O 82
R V 7 – s h o w i n g A c a c i a p a r a d o x a d i r e c t s e e d i n g r e s u l t s a t t h e s o u t h e r n e d g e .
R V 7 – s h o w i n g f i r e d a m a g e d E u c a l y p t u s f a s c i c u l o s a a t t h e n o r t h e r n e d g e .
ORNP Pest Prioritisation Report, June 2009 83
R V 7 – s h o w i n g o l d e r E u c a l y p t u s m i c r o c a r p a r e v e g e t a t i o n.
R V 7 – s h o w i n g o l d e r A l l o c a s u a r i n a v e r t i c i l l a t a r e v e g e t a t i o n .
ORNP Pest Prioritisation Report, June 2009 84
R V 7 – s h o w i n g r e m n a n t E u c a l y p t u s m i c r o c a r p a w i t h d e n s e O l i v e u n d e r s t o r e y .
R V 7 – s h o w i n g o p e n a r e a s w i t h o n l y O l i v e p r e s e n t .
ORNP Pest Prioritisation Report, June 2009 85
R V 7 – s h o w i n g A c a c i a p a r a d o x a , A c a c i a r u p i c o l a & D o d o n a e a v i s c o s a d i r e c t s e e d i n g r e s u l t s a t
t h e f a r w e s t e r n c o r n e r .
ORNP Pest Prioritisation Report, June 2009 86
RV8
Location/Area: RV8
Surveyor: Sam Dalton, Nat Doecke & Elijah Jewell, Creation Care
Date: 26/05/2009
Vegetation Type: Eucalyptus microcarpa +/- Eucalyptus fasciculosa woodland (target)
Condition: Residual
Comments:
This site has a reasonable overstorey of Eucalyptus microcarpa and Eucalyptus fasciculosa with parts of the site having moderate understorey also. Fire has damaged a lot of the site but regrowth is already occurring. Parts of the site are very steep.
Priority Actions:
African Daisy is the primary concern and should be controlled using spraying, the Olive and Cotton Bush can be controlled at the same time. The Broom is primarily located along the eastern side of the site and requires spraying. The Phalaris and Watsonia should be controlled at the same time using spraying. The Bridal Creeper should be controlled also.
Pest Species Density (Low, Medium, High)
African Daisy High, especially in the north-western corner
Bridal Creeper Low
Broom Low
Cape Tulip Low
Clover Low
Cotton Bush Low
Dandelion Low
Nutgrass Medium
Olive Low
Phalaris Medium, mainly at the northern and western edges
Plantain Medium
Quaking Grass Low
Rabbits Low, diggings observed
Salvation Jane Low
Scabious Low, mainly at the northern end
Soursob Low, mainly at the northern end
Watsonia Low
Wild Oats High
Texas Needle Grass Low, from previous surveys
ORNP Pest Prioritisation Report, June 2009 87
RNP Pest Prioritisation Report, June 2009
O 88
R V 8 – s h o w i n g n e w p l a n t i n g s ( w i t h p l a s t i c g u a r d s ) i n t h e r i g h t o f t h e p i c t u r e a n d e s t a b l i s h e d E u c a l y p t u s
m i c r o c a r p a r e v e g e t a t i o n e l s e w h e r e .
R V 8 – s h o w i n g o l d e r E u c a l y p t u s m i c r o c a r p a r e v e g e t a t i o n .
ORNP Pest Prioritisation Report, June 2009 89
R V 8 – s h o w i n g E u c a l y p t u s m i c r o c a r p a w i t h Xa n t h o r rh o e a s e m i p l a n a u n d e r g r o w t h . S o m e
E u c a l y p t u s m i c r o c a r p a r e g e n e r a t i o n o c c u r r i n g .
R V 8 – s h o w i n g E u c a l y p t u s m i c r o c a r p a r e v e g e t a t i o n w i t h s o m e f i r e d a m a g e , t h i c k A f r i c a n
D a i s y g r o w t h u n d e r t h e t r e e s i n t h e b a c k g r o u n d a n d s o m e P h a l a r i s g r o w t h i n t h e f o r e g r o u n d .
ORNP Pest Prioritisation Report, June 2009 90
RV9
Location/Area: RV9
Surveyor: Sam Dalton, Nat Doecke & Elijah Jewell, Creation Care
Date: 26/05/2009
Vegetation Type: Eucalyptus microcarpa woodland (target + see comments)
Condition: Residual
Comments: Most of this site has been damaged by fire (estimated 3 + years ago) but there is good regrowth of Eucalyptus microcarpa, Dodonaea viscosa and some Acacia species.
Priority Actions: Follow up Olive control required, African Daisy and Cotton Bush can be controlled at the same time. Bridal Creeper requires control also. The understorey requires extra diversity.
Pest Species Density (Low, Medium, High)
Plantain High
African Daisy Low
Bridal Creeper Low
Capeweed Low
Clover Low
Cotton Bush Low
Creeping Oxalis Low
Dock Medium
Horehound Low
Nutgrass Low
Olive Medium, most treated but some regrowth and new plants
Quaking Grass Medium
Rabbits Low
Salvation Jane Low
Scabious Medium
Soursob Low
Wild Oats Medium
ORNP Pest Prioritisation Report, June 2009 91
RNP Pest Prioritisation Report, June 2009
O 92
R V 9 – s h o w i n g E u c a l y p t u s m i c r o c a r p a r e g r o w t h a f t e r t h e f i r e d a m a g e .
R V 9 – s h o w i n g E u c a l y p t u s m i c r o c a r p a r e g r o w t h a f t e r t h e f i r e d a m a g e w i t h u n p l a n t e d o p e n
s p a c e s .
ORNP Pest Prioritisation Report, June 2009 93
R V1 0
Location/Area: RV10
Surveyor: Sam Dalton, Nat Doecke & Elijah Jewell, Creation Care
Date: 26/05/2009
Vegetation Type: Undefinable (see comments)
Condition: Residual
Comments:
This site is a mixture of associations and conditions, it is partly composed of remnant Eucalyptus fasciculosa, Eucalyptus microcarpa and Eucalyptus leucoxylon, the south- eastern areas have good quality revegetation with primarily a Eucalyptus microcarpa +/- Eucalyptus leucoxylon overstorey mix, but the northern and western parts of the site are largely cleared land with very high weed content. As a result the site overall has been scored as poor, even though there are quite successful patches of revegetation within it. The revegetation at the south-eastern end has good diversity and weed suppression. The Phalaris patches in particular are having an impact on native regeneration.
Priority Actions:
Slash and boom spray the patches of Phalaris in preparation for revegetation. Spraying control required for African Daisy, Olive, Cotton Bush, Bridal Creeper and Scotch Thistle. Cows to be removed from the site. Open areas to be revegetated.
Pest Species Density (Low, Medium, High)
African Daisy High, mainly in the open areas to the west, spatially recorded
Bridal Creeper Low, mainly along the southern edge
Cape Tulip Medium
Capeweed Medium
Clover Low
Cotton Bush Low
Cows Low, three cows observed grazing 30 metres in from the southern edge
Dandelion Low
Dock Low
Nutgrass Low, high along the southern edge
Olive Low, predominantly in the western corner
Phalaris High, mainly in the open areas to the west, spatially recorded
Plantain High
Rabbits Low, diggings observed
Salvation Jane Low
Scabious Low
Scotch Thistle Low
Soursob Medium
Stinging Nettle Low, single patch observed where an old shed once stood
Texas Needle Grass Low, from previous surveys
Wild Oats Medium
ORNP Pest Prioritisation Report, June 2009 94
RNP Pest Prioritisation Report, June 2009
O 95
R V 1 0 – s h o w i n g E u c a l y p t u s m i c r o c a r p a r e v e g e t a t i o n w i t h f a n t a s t i c d i v e r s e u n d e r s t o r e y , p h o t o
t a k e n a t t h e e a s t e r n c o r n e r o f t h e a r e a .
R V 1 0 – s h o w i n g o p e n , u n p l a n t e d a r e a s w i t h m o d e r a t e A f r i c a n D a i s y i n f e s t a t i o n s a t t h e
w e s t e r n e d g e o f t h e a r e a .
ORNP Pest Prioritisation Report, June 2009 96
R V 1 0 – s h o w i n g d e n s e P h a l a r i s i n f e s t a t i o n s a t t h e n o r t h - w e s t e r n c o r n e r o f t h e a r e a ,
r e v e g e t a t i o n i n t h e b a c k g r o u n d .
ORNP Pest Prioritisation Report, June 2009 97
RV11
Location/Area: RV11
Surveyor: Elijah Jewell, Creation Care
Date: 26/05/2009
Vegetation Type: Eucalyptus microcarpa +/- Eucalyptus leucoxylon closed forest (target)
Condition: Moderate
Comments: The revegetation is quite thick and well established with low amounts of understorey such as Acacia paradoxa, Acacia acinacaea, Dodonaea viscosa and Acacia rupicola.
Priority Actions:
A sweep through the entire site for Olive, African Daisy and Bridal Creeper would be sufficient to keep the site relatively clean of high problem weeds. More understorey revegetation would be beneficial to increase the diversity.
Pest Species Density (Low, Medium, High)
African Daisy Medium
Bridal Creeper Medium
Capeweed Medium
Clover Low
Olive Low, whole site
Plantain Medium
Texas Needle Grass Low, from previous surveys
Wild Oats Medium
R V 1 1 – s h o w i n g t h e t y p i c a l o l d e r E u c a l y p t u s m i c r o c a r p a o v e r s t o r e y w i t h c l u m p s o f A c a c i a p a r a d o x a ,
A c a c i a r u p i c o l a , A c a c i a a c i n a c e a a n d D o d o n a e a v i s c o s a u n d e r s t o r e y .
ORNP Pest Prioritisation Report, June 2009 98
R V1 2
Location/Area: RV12
Surveyor: Sam Dalton & Nat Doecke, Creation Care
Date: 26/05/2009
Vegetation Type: Eucalyptus microcarpa +/- Eucalyptus fasciculosa woodland (target)
Condition: Moderate
Comments:
This site has reasonable understorey success but moderate overstorey success. It is dominated by Acacia paradoxa, Dodonaea viscosa, Acacia rupicola and selected understorey species. There are small numbers of Eucalyptus microcarpa, Eucalyptus fasciculosa and Allocasuarina verticillata also from the revegetation. It could be divided into two different areas; the long thin strip of revegetation at the eastern side of the site has a higher proportion of overstorey species, whilst the remainder of the site has a higher proportion of understorey species.
Priority Actions:
A sweep of the site for African Daisy, Bridal Creeper, Olive and Wild Mustard is suggested, as well as the control of the patches of Phalaris along the northern boundary. Increasing the overstorey species in the main area and the understorey species in the eastern thin strip is desirable.
Pest Species Density (Low, Medium, High)
African Daisy Medium, higher at the southern edge
Bridal Creeper Medium, higher at the eastern point, lower in the main area
Capeweed Medium
Clover Medium
Creeping Oxalis Low
Dock Low
Fennel Low
Olive Low
Phalaris Low, patches moderately thick along the northern boundary
Plantain High
Salvation Jane Medium, higher at the eastern edge
Soursob Low
Stinging Nettle Low
Texas Needle Grass Low, from previous surveys
Wild Mustard Medium, higher at the southern edge
Wild Oats Low
ORNP Pest Prioritisation Report, June 2009 99
c.... ~,
~I~O
Revegetation Area 12 -18.4 ha
'31.000 :e1~O
CRV12 Bo...,dalY 0 Other Vegetation Classlfta.!lon (Trensparent) '';;; flora specloslocatlon
_ Rem""n! Vegetotlon -- Water Course
_ Rovegetetfon - Hlgh\l\ey (d'\'Ided)
Cleared -- Se8l.d Road Unsealed Road
N
A
o 50 100 150
;Jr,e .. _.
-...".,".'.-.-
::81800 '" ... "1 .. ,1,,.
_UnknoV\nveg
Riparian
_ UBU Project Area (Transparent)
\oehicularTrack
~Onk.paringa NP
ORNP Pest Prioritisation Report, June 2009 100
R V 1 2 – s h o w i n g t h e s c a t t e r e d E u c a l y p t u s m i c r o c a r p a o v e r s t o r e y w i t h g o o d u n d e r s t o r e y
t y p i c a l o f t h e w e s t e r n h a l f o f t h e a r e a .
R
R V 1 2 – s h o w i n g t h e d e n s e r E u c a l y p t u s m i c r o c a r p a o v e r s t o r e y t y p i c a l o f t h e e a s t e r n h a l f o f t h e
a r e a .
ORNP Pest Prioritisation Report, June 2009 101
Ri pa r ia n Ar ea s R A A re a s – Ri p a ri a n Ar e a S um m a ry T a ble
RA Areas*
Condition
Riparian Vegetation Present
Weed Infestation Level
Overall Ranking
RA6 Moderate Medium Medium 1
RA7 Moderate Medium Medium 2
RA5 Residual Medium High 3
RA4 Residual Medium High 4
RA9 Residual Medium High 5
RA10 Residual Medium High 6
RA8 Residual Medium High 7
RA2 Residual Low Medium 8
RA3 Residual Low Medium 9
RA1 Poor Low High 10
ORNP Pest Prioritisation Report, June 2009 102
RA1
Location/Area: RA1
Surveyor: James Ryan & Elijah Jewell, Creation Care
Date: 9/06/2009
Vegetation Type: Eucalyptus camaldulensis woodland
Condition: Poor
Comments:
This is largely an open area with grassy weed ground cover; there are some steep slopes and cliffs leading down to the river with woody weeds growing along the base of the cliffs. Poor native diversity and only scattered remnant Eucalyptus camaldulensis.
Priority Actions:
Cut and swab and spray control for Itchy Powder tree, Boxthorn, Olive, Pepper Tree as a priority. A walk along the entire length of the area releasing Bridal Creeper rust would be desirable. Fennel could be sprayed at the same time as the initial woody weeds. Prickly Pear control with drill & fill is desirable. Increasing the diversity of natives is desirable.
Pest Species Density (Low, Medium, High)
African Feathergrass Medium
Boxthorn Medium
Bridal Creeper Low
Capeweed Low
False Caper Low
Fennel Low
Itchy Powder Tree Low
Marshmallow Low
Mile-a-minute Low
Nasturtium Low, predominantly at the southern end
Nutgrass Medium
Olive Medium
Onion Weed Low
Pepper Tree Low
Prickly Pear Medium
Rabbit Low
Rice Millet Low
Scabious Medium
Scotch Thistle Low
Soursob High
Stinging Nettle Low
Tangier Pea Low
Wild Mustard Low
ORNP Pest Prioritisation Report, June 2009 103
Riparian Area 1 _5.4 ha
ORA1 Boundary C::> Other Vegetation Classi1ication
_ Remnant Vegetation (Transparent) .. Flora spedes location
-- Waler Course _ Re'legetalion -- Higtw\ey (di";ded)
_ Cleared -- Sealed Road
_ UnknoWl Veg -- Unsealed Road
Riparian -- '..ehicularTrack
_ UBU Project Area (Transparent) ~Onk8paring. NP
o 20 4() 8:) 80
r.'A '" "'_,. . ~.j :~':.<,.:,,,._ ...
ORNP Pest Prioritisation Report, June 2009 104
R A 1 – s h o w i n g t h e o p e n g r a s s y a r e a s a n d t h e c l i f f s w i t h O l i v e p r e s e n t a t t h e e a s t e r n e n d o f t h e
a r e a .
R A 1 – s h o w i n g t h e r i v e r a n d g r o u n d c o v e r i n t h e m i d d l e o f t h e a r e a .
ORNP Pest Prioritisation Report, June 2009 105
R A 1 – s h o w i n g a n o t h e r s e c t i o n o f t h e r i v e r w i t h m o r e g e n t l e s l o p e s o n e i t h e r s i d e .
R A 1 – s h o w i n g t h e s t e e p c l i f f s l o c a t e d a t t h e s o u t h e r n e n d o f t h e a r e a , r e m n a n t E u c a l y p t u s
c a m a l d u l e n s i s o n t h e g r a s s y b a n k s o n t h e r i g h t o f t h e p h o t o .
ORNP Pest Prioritisation Report, June 2009 106
R A 1 – s h o w i n g t h e s t e e p c l i f f s a t t h e f a r s o u t h e r n e n d o f t h e a r e a w i t h O l i v e a n d P r i c k l y P e a r
g r o w i n g a t t h e b a s e o f t h e c l i f f s .
ORNP Pest Prioritisation Report, June 2009 107
R A2
Location/Area: RA2
Surveyor: James Ryan & Elijah Jewell, Creation Care
Date: 9/06/2009
Vegetation Type: Eucalyptus camaldulensis woodland
Condition: Residual
Comments:
This area has a moderate number of remnant Eucalyptus camaldulensis and patches of reasonable quality understorey. The weed presence is very high though, especially in the centre of the area at the western edge of CA3. Parts of the site are quite steep.
Priority Actions:
A cut & swab sweep through the site for mature Ash, Boxthorn, Dog Rose, Fig and Olive with a follow up spray for immature plants of the same species is suggested initially. A walk along the entire length of the area releasing Bridal Creeper rust would be desirable. Spray control for the Lavender and Scotch Thistle is desirable. Drill & fill control for the Century Plant is desirable, but it is a slow growing species that is not likely to spread quickly. Increasing the native diversity is desirable also.
Pest Species Density (Low, Medium, High)
African Daisy Low
African Feather Grass Medium
Ash Medium
Boxthorn High, very thick in the middle of the area
Bridal Creeper Low
Capeweed Low
Century Plant Low
Clover Low
Couch Low
Dandelion Low
Dock Low
Dog Rose Low
Fennel Medium
Fig Medium, predominantly in the middle of the area
Fox Low, single fox spotted
Lavender Low
Milk Thistle Low
Nightshade Low
Nutgrass Medium
Olive High
Phalaris Low
Plantain Low
Prickly Pear High, predominantly in the middle of the area
Rice Millet Low
Salvation Jane Low
Scabious Medium
Scotch Thistle Low
Soursob High
ORNP Pest Prioritisation Report, June 2009 108
Texas Needle Grass Low, from previous survey
Three Cornered Garlic Low
Wild Mustard Medium
Wild Oats Low
R A 2 – s h o w i n g g o o d q u a l i t y r e m n a n t E u c a l y p t u s c a m a l d u l e n s i s a l o n g t h e s i d e s o f t h e r i v e r b e d
a n d w i t h m o d e r a t e n a t i v e g r a s s e s , r e e d s a n d u n d e r s t o r e y u n d e r n e a t h . P h o t o t a k e n at t h e
e a s t e r n e n d o f t h e a r e a .
ORNP Pest Prioritisation Report, June 2009 109
RNP Pest Prioritisation Report, June 2009
O 110
R A 2 – s h o w i n g g o o d q u a l i t y r e m n a n t E u c a l y p t u s c a m a l d u l e n s i s b u t w i t h F i g , B o x t h o r n , O l i v e
a n d A f r i c a n F e a t h e r Gr a s s g r o w i n g u n d e r n e a t h . P h o t o f r o m t h e m i d d l e o f t h e a r e a .
R A 2 – p h o t o o f t h e w e s t e r n e n d o f t h e a r e a w i t h w e e d y , g r a s s y o p e n p a t c h e s n e x t t o t h e r i v e r .
ORNP Pest Prioritisation Report, June 2009 111
R A 2 – s h o w i n g t h e C e n t u r y P l a n t g r o w i n g a t t h e w e s t e r n e n d o f t h e a r e a .
ORNP Pest Prioritisation Report, June 2009 112
R A3
Location/Area: RA3
Surveyor: James Ryan & Elijah Jewell, Creation Care
Date: 9/06/2009
Vegetation Type: Eucalyptus camaldulensis woodland
Condition: Residual
Comments:
This site has patches of native understorey and a moderate number of remnant Eucalyptus camaldulensis. Callistemon sp is common along the river. Parts of the site are very steep with cliffs to the water’s edge; Olive is growing through the whole site and is quite the dominant weed.
Priority Actions:
A cut & swab sweep through the site for mature Olive, Ash, Boxthorn, Dog Rose and Radiata Pine with a follow up spray for immature plants of the same species is suggested initially. A walk along the entire length of the area releasing Bridal Creeper rust would be desirable. Spray control for the Broom, Cotton Bush, Fennel, Scotch Thistle and Watsonia is desirable. Drill & fill control for the Prickly Pear is desirable, but it is a slow growing species that is not likely to spread quickly. Increasing the native diversity is desirable also.
Pest Species Density (Low, Medium, High)
Olive High, throughout the whole site
African Daisy Low
African Feather Grass Medium, predominantly at the eastern end of the area
Ash Low, one thick patch located at the western end of the area
Boxthorn Medium
Bridal Creeper Low
Broom Medium
Cotton Bush Low
Dock Low
Dog Rose Low
Fennel Medium
Fig Low
Kikuyu Low
Lavender Low
Milk Thistle Low
Nightshade Low
Nutgrass Low
Onion Weed Low
Periwinkle Low
Phalaris Low
Plantain Low
Prickly Pear Low
Radiata Pine Low
Rice Millet Low
Scabious Low
Scotch Thistle Medium
Soursob High
ORNP Pest Prioritisation Report, June 2009 113
Tangier Pea Low
Texas Needle Grass Low, from previous survey
Three Cornered Garlic Low
Watsonia Low
Wild Celery Low
Wild Mustard Low
Wild Oats Low
R A 3 – s h o w i n g o p e n a r e a s w i t h d e n s e O l i v e , r e m n a n t E u c a l y p t u s c a m a l d u l e n s i s a l o n g t h e
r i v e r b a n k s a n d s t e e p s l o p e s i n t h e b a c k g r o u n d w i t h O l i v e c o v e r a l s o . P h o t o t a k e n a t t h e
e a s t e r n e n d o f t h e a r e a .
ORNP Pest Prioritisation Report, June 2009 114
RNP Pest Prioritisation Report, June 2009
O 115
R A 3 – s h o w i n g t h e s t e e p c l i f f s w i t h O l i v e a n d A f r i c a n F e a t h e r G r a s s a t t h e b a s e .
R A 3 – s h o w i n g r u s h e s a l o n g t h e e d g e o f t h e r i v e r a n d t h e D e s e r t A s h i n f e s t a t i o n a t t h e w e s t e r n e n d o f
t h e a r e a .
ORNP Pest Prioritisation Report, June 2009 116
R A4
Location/Area: RA4
Surveyor: James Ryan & Elijah Jewell, Creation Care
Date: 9/06/2009
Vegetation Type: Eucalyptus camaldulensis woodland
Condition: Residual
Comments:
This area has moderate amounts of remnant Eucalyptus camaldulensis and the spread of weeds is pretty consistent throughout the whole site. There are moderate amounts of Callistemon sp, Bursaria spinosa and Acacia sp through the whole site also. Cliffs and steep slopes are common along the whole area.
Priority Actions:
A cut & swab sweep through the site for mature Ash, Dog Rose, False Wattle, Fig and Olive with a follow up spray for young plants of the same species is suggested initially. A walk along the entire length of the area releasing Bridal Creeper rust would be desirable. Spray control for the Broom, Fennel, Periwinkle and Watsonia is desirable. Drill & fill control for the Prickly Pear is desirable, but it is a slow growing species that is not likely to spread quickly. Increasing the native diversity is desirable also. Access to this site for spray control would be very difficult.
Pest Species Density (Low, Medium, High)
African Daisy Low
African Feather Grass High
Arum Lily Low
Ash Low
Bridal Creeper Low
Broom Low
Clover Low
Couch Low
Dock Low
Dog Rose Low
False Wattle Low, predominantly at the north-eastern end
Fennel Medium
Fig Low
Fox Low, single fox spotted
Lavender Low
Milk Thistle Low
Nightshade Low
Nutgrass Medium
Olive High
Periwinkle Low
Phalaris Medium
Plantain Medium
Prickly Pear Low
Rabbit Low
Rice Millet Low
Salvation Jane Low
ORNP Pest Prioritisation Report, June 2009 117
Scabious Low
Soursob High
St Johns Wart Low, predominantly at the North-Eastern end
Tangier Pea Low
Texas Needle Grass Low, from previous survey
Three Cornered Garlic Low
Watsonia Low
Wild Mustard Low
R A 4 – s h o w i n g r e m n a n t E u c a l y p t u s c a m a l d u l e n s i s o v e r t h e r i v e r , a n d r o c k y s l o p e s w i t h O l i v e
p r e s e n t . P h o t o t a k e n a t t h e f a r n o r t h - e a s t e r n e n d o f t h e a r e a .
ORNP Pest Prioritisation Report, June 2009 118
Rip:lrian A rea 4 - 16 ha
Zfeooo
ORAII BoundalV 0 N
:;;:00
Othe r Vege1a1o1n C Ia$$l~cation (Transparent) \.;;:; FI ora .., ed es IocaIlon
_ Remnanl Vege1a1lon - Waler Course
_Revogelallon -Hlgh'MIy(dl-Aded)
A o 100 200 300
_CleNed SoalodRoad
_ UnknoWl Veg - Unsealed Road
Rlperian -- l.ehlcular T",ck
_ UBU PrOjoctArea (Transparent) OOnkaperinga NP
Moire,
ORNP Pest Prioritisation Report, June 2009 119
R A 4 – s h o w i n g s c a t t e r e d r e m n a n t E u c a l y p t u s c a m a l d u l e n s i s o v e r t h e r o c k y r i v e r b e d , w i t h t h e
t w o s l o p e s i n t h e b a c k g r o u n d c o v e r e d i n O l i v e . T h i s p i c t u r e i s t y p i c a l o f m o s t o f t h e m i d d l e o f
t h e a r e a .
ORNP Pest Prioritisation Report, June 2009 120
RA5
Location/Area: RA5
Surveyor: Sam Dalton & Nat Doecke, Creation Care
Date: 9/06/2009
Vegetation Type: Eucalyptus camaldulensis woodland
Condition: Residual
Comments:
This is a beautiful area with steep, shale covered slopes in parts, cliffs in other parts, deep waterholes and waterfalls along the western end and patches of Callistemon sp and Acacia sp understorey with scattered Eucalyptus camaldulensis overstorey. The site has a high presence of Olive though, especially on the slopes.
Priority Actions:
Cut & swab control for the mature Ash, Crested Wattle, Fig and Olive is the key action, with spray control for younger plants. A walk along the entire length of the area releasing Bridal Creeper rust would be desirable. Drill & fill control of the Prickly Pear is desirable, as is spray control of the Watsonia. Access to this site for spray control would be very difficult.
Pest Species Density (Low, Medium, High)
African Feather Grass Medium
Ash Low
Bridal Creeper Medium
Crested Wattle Low, single plant observed
Fig Low
Cape Ivy Low
Olive High
Plantain Low
Prickly Pear Low
Scabious Low
Soursob High
Sow Thistle Low
Texas Needle Grass Low, from previous survey
Watsonia High
Wild Turnip Low
ORNP Pest Prioritisation Report, June 2009 121
RNP Pest Prioritisation Report, June 2009
O 122
R A 5 – t h i s p h o t o i s i n c l u d e d t o s h o w t h e b e a u t y o f p a r t s o f t h e w a t e r f a l l a n d w a t e r h o l e s , a n d
a l s o t o s h o w t h e s t e e p n e s s o f t h e s i t e a n d t h e r i s k i n v o l v e d t o i m p l e m e n t c o n t r o l ( s u c h a s t h e
P r i c k l y P e a r o n t h e l e f t o f t h e p h o t o ) .
ORNP Pest Prioritisation Report, June 2009 123
R A 5 – s h o w i n g a t y p i c a l A f r i c a n F e a t h e r G r a s s i n f e s t a t i o n w i t h E u c a l y p t u s c a m a l d u l e n s i s i n
t h e b a c k g r o u n d a n d s c a t t e r e d A s h t r e e s . T h i s p h o t o w a s t a k e n a t t h e e a s t e r n e n d o f t h e a r e a .
ORNP Pest Prioritisation Report, June 2009 124
RA6
Location/Area: RA6
Surveyor: Sam Dalton & Nat Doecke, Creation Care
Date: 9/06/2009
Vegetation Type: Eucalyptus camaldulensis woodland
Condition: Moderate
Comments:
This area has some good Eucalyptus camaldulensis regeneration at the eastern end and has quite a bit of good, diverse understorey in patches through most of the area. This is probably one of the best parts of the Riparian areas in the park. There are steep cliffs on both sides, more so at the western end. The site has long stretches of smooth rock which is quite slippery when wet and makes walking dangerous.
Priority Actions:
Initial cut & swab control of mature Olive and Dog Rose with a follow up spray control as a priority. Control of the dense patch of Phalaris at the eastern end of the area is a second priority and spray control of the Watsonia also. Cotton Bush and Fennel could be done at the same time. Release of Bridal Creeper rust along the whole length is desirable. Prickly Pear drill & fill is desirable. Access to this site for spray control would be very difficult.
Pest Species Density (Low, Medium, High)
African Daisy Low, higher density at the eastern end
Bridal Creeper Low
Capeweed Low
Cotton Bush Low
Dog Rose Low
Fennel Low
Nightshade Low
Nutgrass Low
Olive High, primarily up the slopes a little from the river
Periwinkle Low
Phalaris Low, dense patch at the eastern end
Plantain Low
Prickly Pear Low
Quaking Grass Low
Rice Millet Low
Soursob High
Tangier Pea Low
Texas Needle Grass Low, from previous survey
Three Cornered Garlic Low
Watsonia High
ORNP Pest Prioritisation Report, June 2009 125
ORNP Pest Prioritisation Report, June 2009 126
R A 6 – m a t u r e E u c a l y p t u s c a m a l d u l e n s i s i n t h e b a c k g r o u n d , r e g e n e r a t i o n i n t h e f o r e g r o u n d .
R A 6 – s o m e o f t h e s m o o t h , s l i p p e r y r o c k s a l o n g t h e w a l k i n g t r a i l .
ORNP Pest Prioritisation Report, June 2009 127
R A 6 – a l o v e l y p a t c h o f C a l l i s t e m o n , A c a c i a , D o d o n a e a a n d o t h e r n a t i v e u n d e r s t o r e y s p e c i e s
b e l o w s c a t t e r e d E u c a l y p t u s c a m a l d u l e n s i s . P h o t o t a k e n i n t h e m i d d l e o f t h e a r e a .
R A 6 – a l o v e l y s e c t i o n o f t h e r i v e r w i t h E u c a l y p t u s c a m a l d u l e n s i s a n d n a t i v e u n d e r s t o r e y
h a n g i n g o v e r a d e e p w a t e r h o l e .
ORNP Pest Prioritisation Report, June 2009 128
R A7
Location/Area: RA7
Surveyor: Sam Dalton & Nat Doecke, Creation Care
Date: 9/06/2009
Vegetation Type: Eucalyptus camaldulensis woodland
Condition: Moderate
Comments:
This area could be divided into three different management zones. From the eastern end up until the beginning of RA8 is a Eucalyptus camaldulensis woodland with moderate amounts of riparian understorey, then the section opposite RA8 is mainly composed of steep, inaccessible cliffs with Olive the main living species. The final section, from the end of RA8 to the western end of RA7 is also a Eucalyptus camaldulensis woodland but more degraded than the eastern end. Overall though, it is comparable in quality to RA6.
Priority Actions:
Cut & swab control for mature Ash, Dog Rose and Olive with spray control for young plants of the same species. Bridal Creeper rust spread through the whole site would be desirable. The Blackberry and Couch at the Eastern end and the Phalaris at the eastern end should be sprayed. The Watsonia through the whole site should be sprayed and the scattered Arum Lily and Cotton Bush could be done at the same time. The Prickly Pear requires drill & fill control but is a slow growing plant and difficult to access in some places. Access to the middle of this site for spray control would be very difficult.
Pest Species Density (Low, Medium, High)
African Feather Grass Medium
Arum Lily Low
Ash Low
Blackberry Low, predominantly at the eastern end
Bridal Creeper Medium, throughout the whole site
Broom Low
Capeweed Low
Clover Low
Cotton Bush Low
Couch Low, predominantly at the eastern end
Dock Low
Dog Rose Low
Fennel Low
Fig Low
Cape Ivy Low, predominantly at the eastern end
Lavender Low
Marshmallow Low
Milk Thistle Low
Nightshade Low
Nutgrass Low
Olive Medium, throughout the whole site, control undertaken west of RA8
Phalaris Low, thick patch at the western end
ORNP Pest Prioritisation Report, June 2009 129
Plantain Low
Prickly Pear Low
Quaking Grass Low
Rice Millet Low
Salvation Jane Low
Soursob High
Sow Thistle Low
St Johns Wart Low
Tangier Pea Low
Texas Needle Grass Low, from previous survey
Three Cornered Garlic Low
Variegated Thistle Low
Watsonia High, throughout the whole area
Wild Turnip Low
R A 7 – s h o w i n g a s e c t i o n o f t h e r i v e r w i t h s t e e p c l i f f s o n t h e s o u t h e r n s i d e a n d g o o d n a t i v e
v e g e t a t i o n o n t h e n o r t h e r n s i d e . P h o t o t a k e n a t t h e e a s t e r n e n d o f t h e a r e a .
ORNP Pest Prioritisation Report, June 2009 130
ORNP Pest Prioritisation Report, June 2009
131
R A 7 – s h o w i n g a n o t h e r s e c t i o n o f t h e r i v e r a t t h e e a s t e r n e n d o f t h e a r e a w i t h q u a l i t y g o o d
n a t i v e v e g e t a t i o n .
R A 7 – s h o w i n g P r i c k l y P e a r g r o w i n g a t t h e c e n t r e o f t h e a r e a .
ORNP Pest Prioritisation Report, June 2009 132
R A 7 – s h o w i n g t h e t y p i c a l s t e e p c l i f f s c o v e r e d i n O l i v e a n d S o u r s o b l o c a t e d o p p o s i t e m o s t o f
R A 8 .
R A 7 – s h o w i n g t h e m o r e d e g r a d e d p a r t s o f t h e a r e a , w e s t o f R A 8 . S t i l l w i t h g o o d r e m n a n t
E u c a l y p t u s c a m a l d u l e n s i s , b u t w i t h O l i v e , A f r i c a n D a i s y , A f r i c a n F e a t h e r Gr a s s e t c
u n d e r g r o w t h .
ORNP Pest Prioritisation Report, June 2009 133
R A 7 – th i s i s t y p i c a l o f t h e w e s t e r n a r e a o f R A 7 .
ORNP Pest Prioritisation Report, June 2009 134
RA8
Location/Area: RA8
Surveyor: Sam Dalton & Nat Doecke, Creation Care
Date: 9/06/2009
Vegetation Type: Eucalyptus camaldulensis woodland
Condition: Residual
Comments:
This area has primarily Eucalyptus camaldulensis remnant vegetation along the river, but up in the north-eastern corner there are some pines also. Understorey is fairly poor along the riverbanks with slightly higher diversity and density in the north-eastern corner. This area is the most difficult to access out of all of the Riparian areas. The distance from tracks and roads and the steep slopes would make it extremely difficult to get within spraying range of the main riverbanks, and walking up and down to refill knapsacks would be extremely inefficient.
Priority Actions:
Cut & swab control for mature Ash, Fig, Hawthorn and Olive is the primary action. This should be followed with spray control for young plants of the same species, but access to this site for spray control would be very, very difficult. Spreading Bridal Creeper rust along the whole site is desirable, and spraying the Watsonia desirable also. The Prickly Pear should be drill & filled.
Pest Species Density (Low, Medium, High)
African Daisy Medium, predominantly on the upper slopes and at the eastern end
African Feather Grass High
Ash Low
Bridal Creeper High, whole site
Broom Low
Cape Ivy Low
Dog Rose Low
Fennel Low
Fig Low, single plant observed
Hawthorn Low
Nightshade Low
Olive High, whole site
Periwinkle Low
Prickly Pear Low, single plant observed
Salvation Jane Low
Soursob High
St Johns Wart Low
Tangier Pea Low
Texas Needle Grass Low, from previous survey
Three Cornered Garlic Low
Watsonia High, whole site
Wild Sage Low
Wild Turnip Low
ORNP Pest Prioritisation Report, June 2009 135
Cl..... d -- Seal.eIRoad _ UnknoVlOVeg
Riponan -
-- Unsealed Roael
~hlc""'r Track
Riparian Area 8 -9.4 ha
::80l00
c::JRAS6oundary (-).
Other VegetOOioCn lassi!c:ation (Transparent) W Flora
spede.locotion
_ R.mnant VegetOOion -- WooerCourse
_R.yegOOOOion --Highwoy(di";ded)
N
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_ USU Proj.ctAreo (Transporent) O.onkaporinga NP r.~~ ~-.-. ~-l:":':,~,',"::::"""
ORNP Pest Prioritisation Report, June 2009 136
R A 8 – l o o k i n g a c r o s s f r o m R A 7 a t t h e n o r t h - e a s t e r n c o r n e r o f R A 8 , s h o w i n g t h e g u l l y
s t r e t c h i n g u p t h e h i l l a n d p a r t s o f t h e r i v e r .
R A 8 – s h o w i n g t h e t y p i c a l r i v e r b a n k s c e n a r i o w i t h O l i v e d o m i n a t i n g m o s t o f i t s l e n g t h .
ORNP Pest Prioritisation Report, June 2009 137
R A9
Location/Area: RA9
Surveyor: Sam Dalton & Elijah Jewell, Creation Care
Date: 27/05/2009
Vegetation Type: Eucalyptus camaldulensis woodland
Condition: Residual
Comments:
The Eucalyptus camaldulensis along this section of the river are quite old and there is regeneration occurring. The understorey is patchy with some areas quite diverse and other areas with almost no native understorey. The weed count is very high, so overall it was deemed a residual site.
Priority Actions:
Spray control of the Kikuyu is a priority as it is fast growing and very invasive, and establishment of native grasses in its place. Cut & swab of the mature Ash, Dog Rose, Fig, Hawthorn, Olive and Radiata Pine and follow up spray control of young plants of the same species. Arum Lily, Blackberry and Watsonia could be controlled with a walkthrough with knapsacks as the density is low. Spreading Bridal Creeper rust through the whole site would be desirable, as would drill & fill control of the Prickly Pear. Revegetation increasing the understorey diversity would be desirable.
Pest Species Density (Low, Medium, High)
African Daisy Low, predominantly in the north-eastern corner
African Feather Grass High
Arum Lily Low
Ash Low
Blackberry Low
Bridal Creeper Low
Broom High
Cape Ivy Low, predominantly in the north-eastern corner
Capeweed Low, predominantly in the north-eastern corner
Cat Low, single cat observed
Clover Low
Dog Rose Medium
Fennel Medium
Fig Low, predominantly in the north-eastern corner
Fox Low, single fox observed
Hawthorn Low, predominantly in the north-eastern corner
Kikuyu Low, located midway through the area where another stream feeds the main river
Lavender Low
Mint? Low
Nightshade Low
Nutgrass Low
Olive High, whole site
Periwinkle Low
Phalaris Medium
Plantain Low
ORNP Pest Prioritisation Report, June 2009 138
Prickly Pear Low, scattered through the whole site
Rabbit Low
Radiata Pine Low, only at the southern end of the area
Salvation Jane Low
Soursob High
St Johns Wart Low
Tangier Pea Low
Texas Needle Grass Low, from previous survey
Three Cornered Garlic Low
Watsonia Low
Wild Mustard Low
Wild Oats Low
R A 9 – s h o w i n g a n o p e n p a t c h o f g r o u n d w i t h r e m n a n t E u c a l y p t u s m i c r o c a r p a i n t h e
b a c k g r o u n d a n d O l i v e q u i t e w i d e s p r e a d t h r o u g h t h e w h o l e a r e a .
ORNP Pest Prioritisation Report, June 2009 139
RNP Pest Prioritisation Report, June 2009
O 140
R A 9 – s h o w i n g a p a t c h o f q u i t e g o o d q u a l i t y E u c a l y p t u s c a m a l d u l e n s i s r e g e n e r a t i o n a n d
C a l l i s t e m o n s p u n d e r s t o r e y .
ORNP Pest Prioritisation Report, June 2009 141
R A1 0
Location/Area: RA10
Surveyor: Sam Dalton & Nat Doecke, Creation Care
Date: 27/05/2009
Vegetation Type: Eucalyptus camaldulensis woodland
Condition: Residual
Comments:
This area has good quality remnant Eucalyptus camaldulensis and along the main river some good areas of Callistemon sp, Bursaria spinosa and other understorey species, but overall it is dominated by Olive. The site is relatively flat and accessible.
Priority Actions:
Cut and swab the mature Ash, Dog Rose, Fig and Olive and spray control the young plants of the same species. Spray control of Blackberry and Phalaris also, some Blackberry control has been done but follow-up is required. The large open areas of land would be good for revegetation projects once the weed control is completed.
Pest Species Density (Low, Medium, High)
African Daisy Low
Ash Low
Blackberry Low
Broom Low
Capeweed Low
Clover Low
Dock Low
Dog Rose Low
Fennel Low
Fig Low
Hare Low
Mint? Low
Nutgrass Low
Olive High, whole site
Phalaris Low
Plantain Low
Prickly Pear Low
Rabbit Low
Salvation Jane Low
Soursob Medium
St Johns Wart Low
Texas Needle Grass Low, from previous survey
Wild Mustard Low
Wild Oats Low
ORNP Pest Prioritisation Report, June 2009 142
*" uu.
-
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Riparian Area 10 ·2.9 ha
c:JRA10 Bounda.y r=. Other Vegetation Classiication (Transperef"'j) W Flora spedes location
_Remnant Vegetation --vvater Course
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....••,..,. ta ... ,,,,0, ~ dHII ... .n
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_ Revegetation -- Highwoy (chided) o 10 20 30 -40 50 ~::::-;.E,~:.~.~.-~~..
_._ - ,.~ ....
..... ........--, .._ .. 1.~oJ ~,
~~,t:·'.:~..~. :=:.:~~
_Unkno'lln Veg -- Unsealed Road
Riparian -- \t!hiclAer Track
_ UBU ProjectAtea (Tra"",arenl) MOnkaparinga NP
.~..~.~~..~.... ::.!-:...
ORNP Pest Prioritisation Report, June 2009 143
R A 1 0 – l o o k i n g d o w n o n t o t h e s i t e f r o m t h e a d j a c e n t b l o c k .
R A 1 0 – s h o w i n g t h e o p e n a r e a s w i t h O l i v e g r o w i n g u n d e r r e m n a n t E u c a l y p t u s c a m a l d u l e n s i s .
ORNP Pest Prioritisation Report, June 2009 144
Cleared Areas
The Cleared areas were not surveyed during this project.
Cleared area maps 1 to 7 follow.
Primarily degraded grazing land; scattered exotic grasses, woody weeds and olive
ORNP Pest Prioritisation Report, June 2009 145
RNP Pest Prioritisation Report, June 2009
O 146
RNP Pest Prioritisation Report, June 2009
O 147
ORNP Pest Prioritisation Report, June 2009
148
RNP Pest Prioritisation Report, June 2009
O 149
RNP Pest Prioritisation Report, June 2009
O 150
RNP Pest Prioritisation Report, June 2009
O 151
RNP Pest Prioritisation Report, June 2009
O 152
Unknown Vegetation Areas
The Unknown Vegetation areas were not surveyed during this project.
Unknown vegetation area maps 1 to 9 follow.
Primarily exotics, with a high concentration of olives.
ORNP Pest Prioritisation Report, June 2009 153
RNP Pest Prioritisation Report, June 2009
O 154
RNP Pest Prioritisation Report, June 2009
O 155
RNP Pest Prioritisation Report, June 2009
O 156
RNP Pest Prioritisation Report, June 2009
O 157
RNP Pest Prioritisation Report, June 2009
O 158
RNP Pest Prioritisation Report, June 2009
O 159
RNP Pest Prioritisation Report, June 2009
O 160
RNP Pest Prioritisation Report, June 2009
O 161
RNP Pest Prioritisation Report, June 2009
O 162
Appendix 1- Onkaparinga River National Park Desktop Classification Map
ORNP Pest Prioritisation Report, June 2009 163
Appendix 2 – Data Collection Sheet
Surveyor: Date:
Location/area:
Vegetation Type:
Condition (circle): Excellent Good Moderate Residual Poor
Comments:
Priority Actions
Pest Species Density (Low, Medium, High)
ORNP Pest Prioritisation Report, June 2009 164
Appendix 3 – Native Vegetation Condition
The condition of native vegetation in each of the areas to be scored as per the below table.
Class 5 Excellent Largely undisturbed and healthy.
Class 4 Good Minor weed infestation which is manageable
and high cover and native species and high
species diversity.
Class 3 Moderate Weed infestation is manageable, or weeds of
lower priority dominate; moderate cover and/or
diversity of native species.
Class 2 Residual The basic habitat structure remains; low
species diversity and low cover of native
species.
Class 1 Poor Dominated by exotic species; very low species
diversity and cover of native species.
ORNP Pest Prioritisation Report, June 2009 165
Appendix 4- Survey species list
Common Name Botanical Name Common Name Botanical Name
*African Boxthorn Lycium ferocissimum Creeping Oxalis Oxalis corniculata
African Daisy Senecio pterophorus Dandelion Taraxacum officinale
*African Feather Grass Pennisetum macrourum Dock sp. Rumex sp.
Arum Lily Zantedeschia aethiopica *Dog Rose Rosa canina
Ash Fraxinus rotundifolia *False Caper Euphorbia terracina
Barley Grass Hordeum sp. False Wattle Albizia lopantha
*Blackberry Rubus fruticosus sp. Agg. Fennel Foeniculum vulgare
Blackberry Nightshade Solanum nigrum Fig Ficus carica
*Bridal Creeper Asparagus asparagoides Fox Vulpes vulpes
Brown Finger Orchid (Monodenia) Disa bracteata Golden Wreath Wattle Acacia saligna
*Cape Broom Genista monspessulana Hare Lepus europeus
Capeweed Arctotheca calendula Hawthorn Crataegus monogyna
Cape Ivy Delairea odorata *Horehound Marrubium vulgare
*Cape Tulip (One leaf) Moraea flaccida Itchy Powder Tree Lagunaria patersonia
Cat Felis cattus Kikuyu Pennisetum clandestinum
Century Plant Agave americana Lavender Lavandula sp.
Clover Trifolium sp. Marshmallow Malva sp.
Coastal Wattle Acacia longifolia var. sophorae Mile-a-minute Ipomoea cairica
Cotton Bush Caloptropis procera Milk Thistle Sonchus oleraceus
Couch Cynodon dactylon Mint Mentha sp.
ORNP Pest Prioritisation Report, June 2009 166
Common Name Botanical Name Common Name Botanical Name
Mustard Weed Brassica campestris St Johns Wort Hypericum perforatum
Nasturtium Tropaeolum majus Tangier Pea Lathyrus tingitanus
*Nutgrass Cyperus rotundus *Texas Needle Grass Nassella leucotricha
*Olive Olea europaea Three Cornered Garlic Allium triquetrum
Onion Weed Asphodelus fistulosus *Variegated Thistle Silybum marianum
Pepper Tree Schinus molle Veldt Grass Ehrharta sp.
Periwinkle Vinca major *Watsonia Watsonia meriana var. bulillifera
Phalaris Phalaris aquatica Western Coastal Wattle Acacia Cyclops
Plantain Plantago sp. Wild Celery Apium graveolens
*Prickly Pear Opuntia spp. Wild Oat Avena fatua
Quaking Grass Briza maxima Wild Turnip Brassica tournefortii
Rabbit Oryctolagus cuniculus Wild Sage Salvia verbenaca
Radiata Pine Pinus radiata Wireweed Polygonum aviculare
Rice Millet Piptatherum miliaceum
*Salvation Jane Echium plantagineum
Scabious Scabiosa atropurpurea
*Scotch Thistle Cynara cardunculus
Sodom Apple Solanum linnaeanum
Soursob Oxalis pes-caprae
Stinging Nettle Urtica sp.
*Declared under the Natural Resources Management Act 2004
ORNP Pest Prioritisation Report, June 2009 167