- Ecosystem Services Assessment

Transcription

- Ecosystem Services Assessment
Mapping Alberta’s
Ecosystem Services via
Spatially Explicit
Modelling
Tom Habib
Alberta Chapter of the Wildlife Society Conference
March 22, 2015
It’s Our Nature to Know
Alberta Biodiversity Monitoring Institute
Ecosystem Services
Benefits provided by natural systems that contribute to our health and well-being
Crop Pollination
What is the value of wild
pollinators to canola farmers?
Canola Fields
•
•
AAFC
Rotate annually
Bee
Abundance
Canola Yield
Morandin & Winston 2006
4
Forest Timber & Carbon
What is the value of…
• Timber harvested from forests?
• Carbon stored in forests?
Silviculture Cost
Forest Stands
•
•
Age
Stand Type
Growth/yield Curves
Eligible for
harvest
↑ Volume
↑ Carbon
Sawmills
Carbon Storage
•
•
•
Harvested
Stands
AAC
Haul Cost
Mill Cost
↓ Volume
↔ Carbon
Timber Value
5
Biodiversity Model
How does human land-use impact
biodiversity?
Landcover
Human
Footprint
Species Response Curves
0
20
40
60
80
Biodiversity
Intactness
• 0 – 100%
100
% Human Footprint
0
20
40
60
80
100
% Human Footprint
0
20
40
60
80
% Human Footprint
100
6
Rangeland Forage & Carbon Model
What is the value of…
• Forage produced on rangelands?
• Carbon stored in rangeland soils?
Native
Rangelands
•
•
•
•
Soil
Climate
Plant community
Grazing System
Primary
Production
Cattle Stocking Rate
Soil Carbon
Forage Use
(Offtake)
7
Water Purification
Where are the sources & sinks for water pollution?
Precipitation
Nutrient Loading
Nutrient Supply Maps
• Nitrogen
• Phosphorus
• TSS
Overland Flow
Nutrient Deposition
Nutrient
Removal Maps
Cumulative River
Loads
Sources/sinks for
points along the river
8
Water Purification: Lake Management
Isle Lake Fish Kill
• What/where are the
sources of pollutants?
• What areas are
filtering pollutants?
• Where should future
management focus?
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10
Ecosystem Services Model Interface
Ecosystem Services Maps
Biodiversity
Timber Production
Pollination
Forest Carbon
TSS Supply
Rangeland Production
TSS Retained
Rangeland Carbon
13
Understanding ES Trade-Offs
South Saskatchewan Watershed
Alternative land-uses:
• National Park (Waterton)
• Annual cropland
• Native grassland
Grassland
Agriculture
Rangeland Soil
Carbon
Waterton
Pollination
Forage
Biodiversity
Intactness
Forest Carbon
Relative
Phosphorus
Retention
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Collaborators
Supported By
www.ecosystemservices.abmi.ca