Transcript Carbon storage Forage production

A GeographicallyBroad Assessment of
Rangeland
Ecosystem Services
Shannon White,
[email protected]
Thomas J. Habib, and Dan Farr
Alberta Biodiversity Monitoring Institute
University of Alberta
It’s Our Nature to Know
Alberta Biodiversity Monitoring Institute
A GeographicallyBroad Assessment of
Rangeland
Ecosystem Services
Shannon White,
[email protected]
Thomas J. Habib, and Dan Farr
Alberta Biodiversity Monitoring Institute
University of Alberta
It’s Our Nature to Know
Alberta Biodiversity Monitoring Institute
Ecosystem services
Rangelands provide all these services
(and more)
ES in AB Rangelands
• AB has twice the remaining untilled prairie
than the US
• Conversion continues
• Current market doesn’t account for ES
• New markets for ranchers
Status of Rangeland
• Less than half of rangeland in “good”
condition (Prairie Agricultural Landscapes, AAFC)
• Potential to better manage rangelands
• Especially if there is incentive
Status of Rangeland
• Less than half of rangeland in “good”
condition (Prairie Agricultural Landscapes, AAFC)
• Potential to better manage rangelands
• Especially if there is incentive
Ecosystem Services Assessment Project
• Develop detailed, spatially-explicit models to
measure and map these focal ES across
Alberta, as well as how they change with land
management activities
• Part of a province-wide initiative led by AIBio,
the Ecosystem Services Research and
Innovation Roadmap
• Will further incorporate this knowledge into
market-based instruments
Quantifying ES
•
•
•
•
•
•
Water purification
Pollination
Biodiversity
Carbon storage
Forage production
Timber production
Quantifying ES
•
•
•
•
•
•
•
•
Water purification
Pollination
Biodiversity
Carbon storage
Forage production
Timber production
“Beta release March 2014”
Open source; open data
Water purification
1. Track water flow using DEM
2. Water picks up sediment based
on landcover/ land-use
3. Track sediment deposition
4. Determine important upslope
source areas for points of
interest (e.g. cities, recreational
lakes)
Pollination
1. Map canola fields
Pollination
1. Map canola fields
2. Map bee habitat
Pollination
1. Map canola fields
2. Map bee habitat
3. Use field studies to understand
contribution of bees to canola
production
Pollination
1. Map canola fields
2. Map bee habitat
3. Use field studies to understand
contribution of bees to canola
production
4. Determine $/ha
Biodiversity (ABMI)
1. Monitor species abundance and
habitat across province
Biodiversity
1. Monitor species abundance and
habitat across province
2. Develop detailed maps of land
cover & use
Biodiversity
1. Monitor species abundance and
habitat across province
2. Develop detailed maps of land
cover & use
3. Develop statistical relationships
between land use and observed
species
Biodiversity
1. Monitor species abundance and
habitat across province
2. Use detailed map of land use
3. Develop statistical relationships
between land use and observed
species
4. Use these relationships to
predict biodiversity “Intactness”
across province
Forage production & Carbon storage
1. Uses CENTURY ecosystem
model
•
Soil Organic Matter
•
Plant Production
•
Hydrological
•
Nutrient Cycling
•
Management and events
Forage production & Carbon storage
1. Uses CENTURY model
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!( !( !( !( !( !( !( !( (! (! !( (! !( (! !( (! !( (! !( !(
(! (! !( !( !( !( !( !( !( !( !( !( (! !( (! !( (! !( (! !( (! !(
(! !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( (!
(! (! !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !(
(! (! !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !(
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!( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !(
!( (! !( (! !( !( (! !( !(
!( (! !( (! !( (! !( !( (! !(
!( !( !( !( !( !( (! !( !( (!
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2. Based on soil, climate & land
cover data
!( (! (! !( (! !(
!( !( !( (! !( (!
!( !( !( !( !( !(
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Forage production & Carbon storage
1. Uses CENTURY model
2. Based on soil, climate & land
cover data
3. Run model for each Agrasid
polygon
Forage production & Carbon storage
1. Uses CENTURY model
2. Based on soil, climate & land
cover data
3. Run model for each Agrasid
polygon
4. Link results to GIS (native
grassland)
Results: Carbon Modelling
SouthSKResultsGrassNoHFDec3
Total Soil C (tonnes/ha)
SOMtonHA
25 - 60
61 - 100
101 - 130
131 - 250
251 - 450
μ = 87 tonnes C/ha
Results: Carbon Modelling
SouthSKResultsGrassNoHFDec3
Total Soil C (tonnes/ha)
SOMtonHA
25 - 60
61 - 100
101 - 130
131 - 250
251 - 450
μ = 87 tonnes C/ha
μ = 319 tonnes CO2/ha
Results: Carbon Modelling
SouthSKResultsGrassNoHFDec3
Total Soil C (tonnes/ha)
SOMtonHA
25 - 60
61 - 100
101 - 130
131 - 250
251 - 450
μ = 87 tonnes C/ha
μ = 319 tonnes CO2/ha
Results: Forage Modelling
Available
Forage (kg/ha/yr)
AGPRDkgha
891 - 1000
1001 - 2000
2001 - 3000
3001 - 4500
4501 - 5500
μ = 2391 kg/ha
Results: Forage Modelling
Available
Forage (kg/ha/yr)
AGPRDkgha
891 - 1000
1001 - 2000
2001 - 3000
3001 - 4500
4501 - 5500
μ = 2391 kg/ha
Value? $60/tonne?
$143/ha/yr3
Caveat
• Preliminary results
• Modelling
– Benefits
– Drawbacks
• CENTURY is well used model
– But need model validation
What questions can we ask?
• Large spatial extent: what is the value?
• Effect of land use/management
– Conversion of prairie to cropland
– Adjusting grazing intensity
• Trade-offs between multiple ES
• How will climate change affect ES?
• Scaling down
Applications
• Scorecards
– For a region, or industry
• Scenario modelling
• Market-based instruments
– i.e. Conservation offsets
• Payment for ecosystem services…
Carbon Credits for Grassland
>4X C in soil than atmosphere
Carbon Credits for Grassland
Accounting based off CENTURY model
Many more ES
Acknowledgements
Funders:
Collaborators: