paludiculture perspectives of wet agriculture on …...paludiculture – perspectives of wet...
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Paludiculture – Perspectives of wet agriculture on peatlands.
Andreas Haberl, Michael Succow Foundation
EUKI Paludiculture in Baltics Workshop
14th June 2018 – Vilnius, Lithuania
A. Haberl W. Wichtmann
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EUKI – a new Programme of the BMU German Federal Ministry for the Environment
• The EUKI was launched in 2017.
• Fostering climate cooperation within the European Union to mitigate greenhouse gas emissions by strengthening cross-border dialogue and cooperation, exchange of knowledge and experience.
• “Paludiculture in the Baltic States” is one of the first running 22 projects.
Check: www.euki.de
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EUKI – Paludiculture in the Baltics
MSF
Project lead
and
coordination
Lithuanian
Fund for
Nature
Ministry of
Environment
EST
Ministry of
Environment
LT
Ministry of
Environment
LV
Ministry of
Rural Affairs
EST
Environm.
Law
Center
Estonian
Fund for
Nature
Ministry of
Agriculture
LT
National
political
partner
Implemen-
ting
partner
Subcon-
tractor
Lake &
Peatland
Research
Centre
Estonian
Wetland
Society
Implementing partners:
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Work packages:
I. Feasibility study incl. GIS assessment on the climate-smart land use alternatives for peatland areas (bogs / fens) Paludiculture
II. Knowledge transfer on paludiculture to key stakeholders in the target group
III. Advocacy to adapt framework conditions for paludiculture and incentive-based mechanism in national and EU policies
EUKI – Paludiculture in the Baltics
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Peatlands in Europe are largely degraded
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DUENE
Association
Partners in the
Sequestration and long term storage of carbon in
peatlands require water logging
Patterned bog Endla - Estonia
Peatlands globally
• cover “only” 3 % of the land area
• but contain 30% of the world’s soil carbon
• an equiv. of 60% of all atmospheric carbon
• as much carbon as in all terrestrial biomass
Peatlands are important for the
global carbon cycle
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Peat accumulates in wet mires…
…over centuries from died off mire plants and under water
saturation that inhibits decay
In the boreal and temperate zone 0.5-1 mm/year
Peat is not renewable under an economic aspect
Peat is a fossil and finite resource
100-200 years
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…for utilisation we draine(d) wet mires…
loss off peat carbon stock
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drainage wetting
wet „problem site“
subsidence
…and drainage brings peatlands down!
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1939
2013
Netherlands
…and drainage brings peatlands down!
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Conventional peatland
utilisation includes drainage
Agriculture
Forestry
Peat extraction
→ Drainage of peatlands for con-
ventional agriculture, forestry, and
peat extraction is responsible for
2 Gtons of CO2 emissions annually.
(from ~0.6 % of the global terrestrial landcover)
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Environmental impacts of
drainage based
peatland utilisation
Emissions of green house gases Climate change
Release of nutrients Pollution of water bodies
Destruction of natural habitats Loss of Biodiversity
Degradation of ecosystem services Problems in
& landscsapes utilisation or restauration
=> abandonment
Aloe vera plantation - Kalimantan
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Drained peatlands –
global CO2-emission hot spots
CO2-emissionen
0-5 t ha-1a-1
5-25 t ha-1a-1
25-50 t ha-1a-1
>50 t ha-1a-1
Europe
Conventional drainage based land use of peatlands is not sustainable
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-20
0
20
40
60
80
-150 -100 -50 0 50 100
t C
O2e
pe
r h
a an
d y
ear
mean annual water table
Water level drives GHG emissions
in peatlands
Incre
ase o
f G
HG
Em
issio
ns
water table draw down
Drainage based intensive
peatland utilization
rewetting
GH
G e
mis
sio
n re
du
ctio
n p
ote
ntia
l
Drainage based low
intensity utilization
Paludiculture
after rewetting
Source: GMC emission database
CO2
CH4
GWP100
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Paludiculture on top
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„palus“ – lat.: swamp
“Cultivation of biomass on wet and rewetted peatlands with plant species that contribute to the conservation of peat deposits and ideally to the formation of peat”
What is Paludiculture?
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Paludiculture provides and safeguards Ecosystem Services of Peatlands
• Production services
– Biomass for material use
– Biomass for energetic use
– Utilisation as fodder or food (comestibles)
• Regulation services
– Soil protection
– Biodiversity (nature near habitats)
– Water quality protection (retention of nutrients)
– Water quantity (harmonisation of discharge)
– Climate protection (mitigation of GHG emissions)
– Archives (landscape and human history)
What is Paludiculture?
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Paludiculture on fens Reed canary grass (Phalaris arundinacia)
productivity: 3.5 – 15 t DM/ha*a
emissions: 12 t CO2eq/ha*a
Black Alder (Alnus glutinosa)
productivity: 3 – 10 t DM/ha*a
emissions: 0 t CO2eq/ha*a
Cattail (Typha spec.)
productivity : 5 - 22 t DM/ha*a
emissions: 10 - 15 t CO2eq/ha*a
Tall Sedges (Carex spp.)
productivity: 3 – 12 t TM/ha*a
emissions: 0 – 8 t CO2 -eq / ha*a
Common Reed (Phragmites australis)
productivity: 3 – >25 t DM/ha*a
emissions: 10 t CO2eq/ha*a
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Ratrak mowing device with trailer
(Poland: Bierbza river valley, Foto: L. Lachmann)
Caterpillar mounted mowing and baling
device (Austria: Neusiedler See, Foto: S. Wichmann)
Seiga based field chopper
(Poland, Foto: W. Wichtmann)
Modified snow cat with trailer
(Belarus, Yaselda river valley, Foto: W. Wichtmann)
Harvest -
Individual solutions
Tracked vehicel with special harvester unit for Cattail Thypha
(Germany , Island Rugonia Foto: T. Dahms Wichtmann)
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Material utilisation
of fen biomass
Moulded construction elements
Insulation and construction
plates (cattail)
Reed – roof thatching
material & insulation mats
www.typhatechnik.com
www.naporo.com
Furniture made from high quality
alder timber
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Traditional Paludiculture
reed for roof thatching
50%
50%
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Mecklenburg-Western Pomerania
heating plant Malchin
• Landcare in rewetted peatlands
• Production of biomass for energy
• Produce heat for grid supply
Energetic utilisation
of fen biomass
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Paludiculture on bogs
Cultivation of peat mosses (Sphagnum farming)
Substrate for horticulture (substitute for white peat)
Peat mosses (Sphagnum spec.)
Productivity: 2 – 8 t DM/ ha
Volume weight: 40 kg m-3
Good structure stability
Nutrient contents and pH: low
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… an irreplaceable resource in professional horticulture
… offers optimal quality as substrate
… most important material
… globally about 30 million m³ per year
slightly humified peat moss peat is…
Why a horti-
cultural peat substitute?
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Foto: Jurate Sendzikaite
Foto: Jurate Sendzikaite
Pilot site preparation in Latvia
http://www.paludikultur.de/
http://www.succow-stiftung.de
http://duene.botanik.uni-greifswald.de
http://greifswaldmoor.de
http://paludiculture.de
Ačiu uz dėmesį!