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Transcript of InVEST Case studies Nirmal Bhagabati Emily McKenzie.
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InVEST Case studies
Nirmal BhagabatiEmily McKenzie
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Outline
• Colombia– Water funds– Permitting, mitigation and offsets
• China– Land-use planning
• Virungas: Uganda, Rwanda and DRC– Advocacy & awareness-raising
• If we have time and interest: Hawaii & Tanzania
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China
Tanzania
InVEST demo applications
Hawai’i
• Test InVEST with field partners and experts• Ensure useful, relevant• Refine models
Colombia & Ecuador
California
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Growing number of sites
Mekong
AmazonAlbertine
Rift
Puget Sound
Mexico
Borneo &Sumatra
Vancouver Island
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Colombia
Cauca Valley Water Fund, Colombia
• Water fund investments
• TNC-ecosystem service payments to fund conservation
• Prioritize investments
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Water For Life Water Fund
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Maintain consistent water flows necessary for drinking water, biodiversity and agriculture through a coordinated strategy.
Committee:Watershed AssociationsSugar Cane AssociationsThe Nature ConservancyVallenpaz (local NGO)
Water For Life Water Fund
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Linea BaseBoundary Scenarios - CIAT
No Water Fund
Current Landscape
Degraded ForestWaterParamoDeciduous ForestPastureWooded pastureMixed agricultureSugar caneRangelandSuburbanMinesUrban
With Water Fund
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Legend
wyield_no
Value
High : 1004.07
Low : 164.16
No Water Fund
With Water Fund
Legend
usle_no
Value
High : 75.7051
Low : -194.466
Change
Annual Water Yield (mm/yr)
Annual Erosion (tons/ha/yr)
Demonstration Scenarios - CIAT
1005
164
Legend
wyield_no
Value
High : 1004.07
Low : 164.16
1005
164
-837 0213246266838
76
0
Legend
usle_no
Value
High : 75.7051
Low : -194.466
9
0
-70 -2-1.5-1.1013
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Priority Areas for Investment
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Priority Areas for Investment
Stable ErosionDecreased Yield
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Priority Areas for Investment
Stable ErosionDecreased Yield Improved Erosion
Greatest Improved Yield
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• Identify priority investments:– realistic scenarios for each basin– biodiversity portfolio– climate change
• Make investments!– Monitor and iterate
Next Steps
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• Science-policy links strong
• Science gaps– Impacts of alternative management actions on services
and biodiversity– Simple sub-annual water yield model that differentiates
surface and groundwater
• Capacity– Committee relying on outside expertise and technical
capacity
Lessons
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Colombia
Cesar Department, Colombia
• Permitting and Licensing
• Ministry expanding requirements to include biodiversity and ecosystem services
• Demonstrate approach with coal mining sector
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Services of interest:
Water quality (Tier 1 nutrients and sediment)
Water yield (groundwater and surface)
Cesar Department, Colombia
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Current Landscape
Demonstration Case Scenarios
12,000 km2
Permits Granted Permits Requested All Permit Blocks
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Beneficiaries
12,000 km2
Permits Granted Permits Requested All Permit Blocks
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Areas that provide the same service to the same people
Service Sheds
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Change in sediment export(t/ha/yr)
390
0
Erosion ImpactPermits Granted Permits Requested All Permit Blocks
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Rank Per Area Total Impact
1-55-99-1313-17
Rank By Total Impact
Permit blocks ranked by erosion and nutrient pollution per unit area
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6 mines can be offset to same beneficiaries with no ratio
Permits with Potential for Mitigation
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More Aggressive Restoration
Conservation priority areas for restoration
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• Define mitigation ratio
• Summarize impacts and options
• Present framework to Ministry and train technical team
Next Steps
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• Science-policy links strong
• Science gaps– Simple water yield model that differentiates surface and
groundwater– Data availability (aquifers, retention rates)
• Capacity– Will train Ministry staff (sustainable?)
Lessons
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China
Baoxing County, China
• Land-use planning
• Ecosystem Function Conservation Areas
• Large scale payment schemes
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Biodiversity
Taxus yunnanensis Yunnan snub-nosed monkey
Yunnanensis Common Crane
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How InVEST can help policy
What InVEST can help:
Identify/map key ES regions with simplified procedure and fewer data.
Provide spatial/visualized results for government agencies’ decision-
making.
In an effort to further increase the benefits of these measures, with the help of
GEF/UNEP, the GOC plans to implement an Ecosystem Function Conservation Areas
(EFCAs) program both in regional scale and local scale.
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Background• As part of its efforts to reduce floods in the Yangtze River basin, The Government
of China (GOC) is implementing a series of soil and vegetation conservation programs in the upper Yangtze River basin.
Natural Forest Protection Projects
Grain for Green Project
Shelter Forest System Project
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Background--Overview of Baoxing County
210 km to chengdu3114 sq kmPopulation 50,000multinational place
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Baoxing Landuse Types
Forest land : 69.2%
Native grass: 20.6%
Crop land : 2.32%
Town and residential:0.78%
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Biodiversity
Red panda
Davidia involucrata
Musk deer
chinese monal
Giant panda
429 species of vertebrates, including 17 first-class protected, 51 second-class protected
3,000 plants among which 8 species have been listed as National First Class Protected Species (I), 20 as National Second Class (II)
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How InVEST can help policy
County government situation• Sustainable Master planning • Payment for Ecosystem service,
especially for Yaoji hydropower station, carbon salling
• Tourism/infrastructure/mining development planning
GEF project background – demo site for local scale EFCACCICED task force – case study
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Ecosystem service Model A : Water yield
Error: 4.4% with the observed data.Results were varying with the Parameter of Zhang_cteDefault: 9.433Input: 4.433
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Ecosystem service Model B : Water Retention
Error :11.3% with the observed base flow from Nov to March.
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Ecosystem service Model C : Soil Retention
• Result of model: t/sq km, • Observed data: t/ sq km• Modification: use different
equation for LS factor in different slope.
• Threshold: 30%
For low slope<30%:
For high slope>30%:
Sheet erosion
Gully erosion
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Ecosystem service Model D : Pollution control
less pollution in BaoxingAdd precipitation layer or through flow layer
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Ecosystem service Model E : Biodiversity
• Data prepare: threat source including cropland, roads, mine
• The result is agree with our knowledge about baoxing
• species and habitat size and location should be take in account
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Ecosystem service Model F : Carbon
• Hard to get the current and future harvest rate
• Soil carbon data only related with soil types not with land use types
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Ecosystem service Model G : Pollination
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Application for EFCA Mapping
Biodiversity
Species database maps (CAS, 2007)
Ecological Function Maps -Water Retention- Soil Retention- Carbon Storage InVEST
Demand Information-Hydropower/irrigation/flood
mitigation/etc- Land production/sediment reduction- Carbon sequestration Estimate
relative demand. Circle high contributing areas
Draft EFCA map
Overlay
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Application of Results
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Albertine Rift
• Advocacy
• Awareness & education
• Trans-boundary context
Albertine Rift: Uganda, Rwanda & DRC