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of 3Hampshire Biodiversity Information Centre

Southampton Common Heathland 1

Grid Reference : SU41371463

Site Details

Site Summary

Survey Details

BAP Habitats

None recorded

BAP/Notable Species

Site Designations

Site FeaturesNone recorded

Survey Summary

File Reference : 41-0268

Unitary Authority : Southampton

Vice-County : 11, South Hampshire

General description and management.

A large block of scrub, rank wet heath and semi-natural woodland, found to the immediate north side of The Lake.

The site is partly managed for amenity purposes, with the woodland element of the site significantly thinned locally.

Survey Type : Phase II

Survey Date : 02/10/2007

Hampshire Biodiversity Information Centre PartnershipData Owned By :

Ian Ralphs, HBICData Recorded By :

1 (hrs)Survey Time on Site :

BAP Priority Habitats AreaLowland mixed deciduous woodland

02/10/2007

DesignationSite of Special Scientific Interest

sharing information about Hampshire’s wildlifeThe Hampshire Biodiversity Information Centre Partnership includes local authorities,government agencies, wildlife charities and biological recording groups.

Date Printed: 04/05/2010

HBIC


Habitats Recorded

Species Recorded

02/10/2007Southampton Common Heathland 1

Survey Details

BAP Priority Habitats AreaLowland mixed deciduous woodland

National Vegetation Classifications AreaM25, Molinia caerulea-Potentilla erecta mireMG10, Holcus lanatus-Juncus effusus rush-pastureMG6, Lolium perenne-Cynosurus cristatus grasslandW10, Quercus robur-Pteridium aquilinum-Rubus fruticosus woodland

Frequency NotableTaxon Name Taxon Common NameAcer platanoides ONorway MapleAgrostis OBent-GrassBetula pendula FSilver BirchBuddleja RBuddlejaCalluna vulgaris OLFHeatherCarex viridula subsp. oedocarpa RCommon Yellow Sedge#Deschampsia caespitosa OTufted Hair-GrassDryopteris dilatata OBroad Buckler-FernErica tetralix RCross-Leaved HeathFrangula alnus OAlder Buckthorn*Fraxinus excelsior OAshHedera helix OIvyHolcus lanatus RYorkshire-FogIlex aquifolium OHolly*Juncus conglomeratus RCompact RushJuncus effusus OLFSoft RushMolinia caerulea OLAPurple Moor-Grass#Populus tremula OLFAspen*Potentilla erecta R/OTormentilPteridium aquilinum OLFBrackenRhododendron RRhododendronRubus fruticosus agg. ALDBrambleRubus idaeus R/ORaspberrySalix cinerea OLFGrey WillowSolanum dulcamara RBittersweetSorbus aucuparia ORowanUlex europaeus OGorse

Present NotableTaxon Name Taxon Common NameGlyceria fluitans PFloating Sweet-GrassIris pseudacorus PYellow IrisJuncus tenuis PSlender RushQuercus POak



HBIC


Species Summary

3No. of AWVP indicators :2No. of acid/neutral grassland indicators :

31Total no. of species :24No. of woodland species :

*#

Indicators Species :

Habitat Classifications :

Species Abundance:

Ancient Woodland Vascular Plants (AWVP) - species most strongly associated with ancient woodland and are typicalcomponents of botanically rich ancient woodland communitiesAcid/neutral grassland indicators - species which seldom occur outside of unimproved acid/neutral grasslands or are indicativeof a long period of uninterrupted grassland managementChalk grassland indicators - species characteristic of unimproved chalk downland or have a strong affinity to calcareous soil

BAP Priority: Habitats identified as the highest priority for conservation action in the UKNVC: A system of classifying natural habitat communities according to species associationsPhase 1: A standardised system for surveying, classifying and mapping broad wildlife habitats including urban areasPeterken: A stand type classification that describes woodlands by tree species

Frequency: D=dominant A=abundant F=frequent O=occasional R=rare L=locallyFrequencies within brackets ( ) indicate non-native occurrences

Notes

#

~

*



HBIC

Hampshire Biodiversity Information Centre

sharing information about Hampshire’s wildlife The Hampshire Biodiversity Information Centre Partnership includes local authorities, government agencies, wildlife charities and biological recording groups.

Southampton Common Heathland 1

SU 4137 1463 General description and management. A large block of scrub, rank wet heath and semi-natural woodland, found to the immediate north side of “The Lake”. The site is partly managed for amenity purposes, with the woodland element of the site significantly thinned locally. Communities. (1.1). [W10]: Quercus robur - Pteridium aquilinum - Rubus fruticosus woodland. (IHS – WB3Z.WM2) Some recently thinned [W10] type woodland. Access difficult because of the large quantity of brash present. Often densely overgrown by Bramble. (1.2). Small pond. Flora :- Sweet-grass sp and Yellow Iris present. (1.3). Transitional scrub. (IHS – WB2) Dense scrubby edge. Canopy :- Holly, Grey Willow, Silver Birch, Bramble, Gorse, Buddleia, Raspberry, Ash, Alder

Buckthorn, Rowan and Norway Maple. 1-10 metres, 70%-100%. (1.4). Transitional community. (IHS – GNZ) Borderline [M25]: Molinia caerulea – Potentilla erecta mire locally, more [MG10]: Juncus effusus – Holcus lanatus rush pasture, locally. Shrub layer :- Locally abundant Birch sp with Rowan, Oak sp, Gorse and Bramble. 0.5-3 metres. Flora :- Purple Moor-grass (OLA) and Ling (OLF) with Soft Rush (OLF), Bent sp (OLF), Tufted

Hair-grass (R), Compact Rush (R), Tormentil (R/O), Yorkshire-fog (R), Cross-leaved Heath (R) and Common Yellow-sedge (R).

*Note 1 :- Ling die back evident. (1.5). Transitional scrub. Densely regenerating scrub, largely inaccessible. Canopy :- Grey Willow, Rowan, Silver Birch and Aspen dominate. 0.5 – 10 metres. 80%-100%.

Bramble locally abundant. (1.6). Transitional community. Disturbed ground. Flora :- Slender Rush dominates locally with Soft Rush and Bent sp. HBIC

Hampshire Biodiversity Information Centre

sharing information about Hampshire’s wildlife The Hampshire Biodiversity Information Centre Partnership includes local authorities, government agencies, wildlife charities and biological recording groups.

(1.7). [W10]: Quercus robur - Pteridium aquilinum - Rubus fruticosus woodland. (IHS – WB3Z.WM2) Recently thinned and felled. Shrub layer :- Locally abundant regeneration of Birch sp, Grey Willow, Holly, Alder Buckthorn, Gorse

and Rhododendron. Flora :- Over Bracken, Bent sp, Yorkshire-fog, Ivy, Broad Buckler-fern, Bittersweet and abundant

Bramble. (1.8). [MG6]: Cynosurus cristatus - Lolium perenne grassland. (IHS – G10.GM23) Regularly mown amenity type sward, with parkland type canopy cover of Oak and Silver Birch. Ian Ralphs, Field Ecologist, HBIC. HBIC

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