targeting investments in resource conservation with …data.naturalcapitalproject.org/natcap/ppt...
TRANSCRIPT
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Targeting Investments in Resource Conservation
with RIOS (Resource Investment Optimization System)
Adrian Vogl ([email protected]) Heather Tallis, Stacie Wolny, Rich Sharp, James Douglass, Doug Denu,
Silvia Benitez, Fernando Veiga, Juan Sebastian Lozano, Paulo Petry, Jorge Leon, Joao Guimaraes, Eddie Game
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Watersheds as Green Infrastructure
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The Promise of Water Funds
Major opportunity to impact
- Land Management
- Freshwater Systems
- Engage diverse
stakeolders for mutual benefits
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• Need to spend money efficiently
• Investments are complex
– What activities? Where?
– How much of each?
– How much do we need to spend to meet goals?
• Open enrollment or simple prioritization
The Problem for Water Funds
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Can we do better by using a science-based
approach to investment design using
biophysical and social data?
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Deep Dive Sites 30% to 600%
better estimated returns than
business as usual
Can We Do Better? YES!
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8
• Use biophysical data with models to target where services are highest
• Scenario analyses of vulnerability or sensitivity to interventions
• Specific to context and available data
Model-based approaches
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9
• Targeting current source or problem areas will not always give you best returns!
But…
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• Identify places where benefits of activities are biggest (change models)
• An approach general enough to work everywhere in Latin America
• Easy with available data
• Give standard outputs
Resource Investment Optimization System
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IPA Investment
Portfolio Advisor
PORTER Portfolio
Translator
BEER Benefits
Estimator
The RIOS Family
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RIO
S M
OD
ULE
S O
UTP
UTS
Portfolio Builder
•Erosion Control (Hydro, Drinking Water)
•Nitrogen Regulation •Phosphorus Regulation •Groundwater Recharge
•Flood Mitigation •Dry Season Baseflow
•Biodiversity •“Other”
Benefits
Estimator
•Erosion Control •Nitrogen Regulation •Phosphorus Regulation
•Flood Mitigation
25% Erosion Control
32% N Regulation
RIOS Structure
Portfolio Translator
Land Cover Scenarios
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RIO
S M
OD
ULE
S
Portfolio Builder
•Erosion Control (Hydro, Drinking Water)
•Nitrogen Regulation •Phosphorus Regulation •Groundwater Recharge
•Flood Mitigation •Dry Season Baseflow
•Biodiversity •“Other”
Benefits
Estimator
RIOS Outputs
Portfolio Translator
1 Investment Portfolio
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RIO
S M
OD
ULE
S
Portfolio Builder
•Erosion Control (Hydro, Drinking Water)
•Nitrogen Regulation •Phosphorus Regulation •Groundwater Recharge
•Flood Mitigation •Dry Season Baseflow
•Biodiversity •“Other”
Benefits
Estimator
RIOS Outputs
Portfolio Translator
Land Cover Scenarios
2
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RIO
S M
OD
ULE
S
Portfolio Builder
•Erosion Control (Hydro, Drinking Water)
•Nitrogen Regulation •Phosphorus Regulation •Groundwater Recharge
•Flood Mitigation •Dry Season Baseflow
•Biodiversity •“Other”
Benefits
Estimator
RIOS Outputs
Land Cover Scenarios
2
Portfolio Translator
Base
+ Activities
No Protection
Land Cover Scenarios
2
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RIO
S M
OD
ULE
S
RIOS Outputs
Portfolio Translator
3 Return on Investment
Portfolio Builder
•Erosion Control (Hydro, Drinking Water)
•Nitrogen Regulation •Phosphorus Regulation •Groundwater Recharge
•Flood Mitigation •Dry Season Baseflow
•Biodiversity •“Other”
Benefits
Estimator
•Erosion Control •Nitrogen Regulation •Phosphorus Regulation
•Flood Mitigation
+ 0.1%
- 15%
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Rank cost-effectiveness of every possible investment for all
objectives
Pick highest ranks
Estimate absolute returns
Ranking Model – Diagnostic Screening
Ranking Model Optimization • Choose factors that are
most important for determining how effective an intervention will be
• Factors reflect physical and land management characteristics
• Reflect 4 major processes
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Key Components
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Factors for Transition Effectiveness
Keeping native vegetation
in place
Revegetation (assisted or unassisted)
Ditching Ag
vegetation mgmt
Pasture mgmt
Fertilizer mgmt
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Factors for Transition Effectiveness
Keeping native vegetation
in place
?
Revegetation (assisted or unassisted)
Ditching Ag
vegetation mgmt
Pasture mgmt
Fertilizer mgmt
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Factors for Transition Effectiveness
Keeping native vegetation
in place
Revegetation (assisted or unassisted)
Ditching Ag
vegetation mgmt
Pasture mgmt
Fertilizer mgmt
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Factors for Transition Effectiveness
Keeping native vegetation
in place
?
Revegetation (assisted or unassisted)
Ditching Ag
vegetation mgmt
Pasture mgmt
Fertilizer mgmt
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Factors for Transition Effectiveness
Keeping native vegetation
in place
Revegetation (assisted or unassisted)
Ditching Ag
vegetation mgmt
Pasture mgmt
Fertilizer mgmt
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Factors for Transition Effectiveness
Keeping native vegetation
in place
Revegetation (assisted or unassisted)
Ditching Ag
vegetation mgmt
Pasture mgmt
Fertilizer mgmt
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Factors for Transition Effectiveness
Keeping native vegetation
in place
Revegetation (assisted or unassisted)
Ditching Ag
vegetation mgmt
Pasture mgmt
Fertilizer mgmt
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Factors for Transition Effectiveness
Keeping native vegetation
in place
Revegetation (assisted or unassisted)
Ditching Ag
vegetation mgmt
Pasture mgmt
Fertilizer mgmt
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Factor Selection
• Factors determined
through literature review
• Compromise between process representation and data availability
• Determine effectiveness of transitions for meeting objectives, in a specific place
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Walk-through IPA (James)
IPA Investment
Portfolio Advisor
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RIOS Portfolio Translator
PORTER Portfolio
Translator
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Investment Portfolio
Base land cover
Portfolio land cover
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Benefit you get from your portfolio = Change in services
Portfolio land cover
Base land cover
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Components of Benefit
Benefit of Protection
Benefit of Better Agricultural/Pasture
Management
Benefit of Restoration
Total Benefit of Portfolio
Portfolio land cover
Base land cover
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Components of Benefit
Benefit of Protection
Benefit of Better Agricultural/Pasture
Management
Benefit of Restoration
Portfolio land cover
•What is the current land cover? •What are you
protecting from?
Base land cover
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Components of Benefit
Benefit of Protection
Benefit of Better Agricultural/Pasture
Management
Benefit of Restoration
Portfolio land cover
•What is the current land management? •How much will you
improve?
Base land cover
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Components of Benefit
Benefit of Protection
Benefit of Better Agricultural/Pasture
Management
Benefit of Restoration
Portfolio land cover
•What is the current land cover? •What will you
restore?
Base land cover
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RIO
S M
OD
ULE
S O
UTP
UTS
Portfolio Builder
•Erosion Control (Hydro, Drinking Water)
•Nitrogen Regulation •Phosphorus Regulation •Groundwater Recharge
•Flood Mitigation •Dry Season Baseflow
•Biodiversity •“Other”
Benefits
Estimator
•Erosion Control •Nitrogen Regulation •Phosphorus Regulation
•Flood Mitigation
25% Erosion Control
32% N Regulation
Enter the Portfolio Translator
Land Cover Scenarios
Portfolio Translator
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LULC base Exp Ret etk
Pasture 0.8 0.3 0.95
Forest 0.2 0.9 0.97
Grassland 0.5 0.75 1.0
Urban 0.9 0.01 0.05
Portfolio
Base LULC base - new Exp Ret etk
Pasture 0.8 0.3 0.95
Forest 0.2 0.9 0.97
Urban 0.9 0.01 0.05
Pasture – forest (assisted)
0.5 0.45 0.96
Pasture – paramo (un-assisted)
0.7 0.4 0.95
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LULC base Exp Ret etk
Pasture 0.8 0.3 0.95
Forest 0.2 0.9 0.97
Grassland 0.5 0.75 1.0
Urban 0.9 0.01 0.05
Portfolio
Base LULC base - new Exp Ret etk
Pasture 0.8 0.3 0.95
Forest 0.2 0.9 0.97
Urban 0.9 0.01 0.05
Pasture – forest (assisted)
0.5 0.45 0.96
Pasture – paramo (un-assisted)
0.7 0.4 0.95
Biophysical information
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LULC base Exp Ret etk
Pasture 0.8 0.3 0.95
Forest 0.2 0.9 0.97
Grassland 0.5 0.75 1.0
Urban 0.9 0.01 0.05
Portfolio
Base LULC base - new Exp Ret etk
Pasture 0.8 0.3 0.95
Forest 0.2 0.9 0.97
Urban 0.9 0.01 0.05
Pasture – forest (assisted)
0.5 0.45 0.96
Pasture – paramo (un-assisted)
0.7 0.4 0.95
Biophysical information
+ 0.1%
- 15%
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RIOS
USER
RIOS
Restoration
Base land cover
Ex: pasture
Target or “Reference” land cover
Ex: native grassland
How far do you get there?
Restoration
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USER
RIOS
Improved agricultural/pasture mgmt
Base land cover
Ex: pasture
Target or “Reference” land cover
Ex: native grassland
How far do you get there?
Ag management
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USER
RIOS
Protection
Base land cover
Ex: pasture
What would happen without
protection?
Ex: cropland
How far do you get there?
Protection
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Base
+ Activities
No Protection
PORTER Outputs
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LULC_desc lucode usle_c usle_p sedret_eff load_n eff_n etk root_ depth
alfalfa 1 0.19 1 0.84 0.12 0.802 1 1
bare soil 2 1 0.97 0.26 0.127 0.116 0.04 1
mixed forest, agriculture 11 0.097 1 0.795 0.221 0.863 0.8 1
mixed forest, agriculture, pasture 12 0.111 1 0.81 0.057 0.73 0.8 1
temperate grassland 33 0.003 1 0.83 0.057 0.588 1 1
temperate mixed agriculture 34 0.19 1 0.84 0.177 0.802 1 1
temperate mixed forest 35 0.003 1 0.73 0.038 0.924 0.63 1
temperate pasture 36 0.14 0.977 0.84 0.241 0.464 0.79 1
temperate urban 37 0.1 0.975 0.2 0.103 0.494 0.03 1
bare soil,increase_native_vegetation_ assisted,shrub/scrub 203026 0.75 0.985 0.3825 0.0665 0.3155 0.27 1
pasture,increase_native_vegetation_assisted,woody riparian vegetation 3703049 0.0515 0.9875 0.535 0.1045 0.747 0.59 1
PORTER Outputs
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RIOS Benefits Estimator
BEER Benefits
Estimator
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RIO
S M
OD
ULE
S O
UTP
UTS
Portfolio Builder
•Erosion Control (Hydro, Drinking Water)
•Nitrogen Regulation •Phosphorus Regulation •Groundwater Recharge
•Flood Mitigation •Dry Season Baseflow
•Biodiversity •“Other”
Benefits
Estimator
•Erosion Control •Nitrogen Regulation •Phosphorus Regulation
•Flood Mitigation
25% Erosion Control
32% N Regulation
RIOS Structure
Land Cover Scenarios
Portfolio Translator
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Estimate Returns
Models
DIFFERENCE
RIO
S M
OD
ULE
S Portfolio Builder
•Relative Benefit Models
•Social and Economic Data
•Cost Effectiveness Maximization
Investment Portfolio
Base land cover
Portfolio land cover
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RIOS TOOL 2 Objectives: Erosion Control for Drinking Water Quality Erosion Control for Reservoir Maintenance Phosphorus Retention for Water Quality Nitrogen Retention for Water Quality Flood Mitigation
DISCUSSED Groundwater Recharge Bacteria Retention for Drinking Water Quality
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Outputs - Estimation of Returns
CHANGE IN SEDIMENT EXPORT
+ 0.5%
- 11.0%
500 tons (+ 0.5%)
- 8,000 tons (- $11%)
NO
CA
LIB
RA
TIO
N
WIT
H C
ALI
BR
ATI
ON
CHANGE IN VALUE – AVOIDED TREATMENT COST
+ 0.1%
- 15%
$0.2 mil (+ 0.1%)
- $4.3 mil (- 15%)
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Outputs - Estimation of Returns N
O C
ALI
BR
ATI
ON
W
ITH
CA
LIB
RA
TIO
N
Sediment Exp Value (change in treatment cost)
Bene-ficiaries
Sub-basin Δ % Δ Δ % Δ TTL
1 0.5 % 0.1 % 5,341
2 - 17 % - 14.5 % 10,700
3 - 5 % - 6.2 % 12,550
ALL - 9 % - 11 % 240,300
Sediment Exp Value (change in treatment cost)
Bene-ficiaries
Sub-basin Δ % Δ Δ % Δ TTL
1 495 0.5 % $0.2 mil 0.1 % 5,341
2 -7,998 - 17 % - $4.3 mil - 14.5 % 10,700
3 -2,123 - 5 % - $0.9 mil - 6.2 % 12,550
ALL -1,375 - 9 % - $13 mil - 11 % 240,300
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BASE
Pasture
Forest
Agriculture crops
Sc1 Portfolio + Protection
Sc2 Portfolio, No Protection
Sediment export = 100
Sediment export = 90 Sediment export = 95
Base – Sc1 = 10 Sc2 – Sc1 = 5 Total benefit = 15
CALCULATE RETURNS:
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Hands-on With RIOS
How much $$ do you need? • Find how much you need to invest to get a
10 % reduction in total sediment export
• Produce graph of sediment export reduction by budget level
• Fastest team wins!
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Default Factor Weights
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• Target = 10 % reduction in sediment export
• Use GW beneficiaries (to constrain to ws boundary)
• ALL activity costs = 100
• Floating budget only, no activity budgets
• PORTER options – Avoided transition for protection = “mixed urban”
– All transitions have 0.5% effectiveness
• BEER options – Threshold flow accum = 4000
– Slope threshold = 5
Assumptions
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Ex 5: How much $$ do you need?
• Find out how much you need to invest to address 3 objectives AND get a 10 % reduction in sediment export
• Produce graph of sediment export reduction by budget level for both single- and multi-objective portfolios and compare
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Using RIOS for PES design
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Using RIOS for PES design
Drinking water intake
Crops
Forest
Cities
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Where will afforestation have greatest impact?
What is the objective? What service(s)?
- Erosion control
What are important factors to consider?
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Important Factors – Erosion Control
• Current erosion
• Distance to stream
• Erosion source upslope
• How many people benefit?
• Are practices to retain sediment in place?
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Crops
Current Erosion
Drinking water intake
Forest
Cities
Improvement = 50% reduction in sediment
Cost of afforestation program = $100 million
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Distance to Stream
Drinking water intake
Crops
Forest
Cities Cost of afforestation program = $2 million
Improvement = 2% reduction in sediment
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Erosion Upstream
Drinking water intake
Crops
Forest
Cities Cost of afforestation program = $5 million
Improvement = 10% reduction in sediment
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How Many People Benefit?
Drinking water intake
Crops
Forest
Cities
Population = 1 million
Population = 250,000
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How Many People Benefit?
Drinking water intake
Crops
Forest
Cities Cost of afforestation program = $2.5 million
Improvement = 3% reduction in sediment
Beneficiaries = 1 million
Beneficiaries = 1,250,000
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Integrated Targeting
Drinking water intake
Crops
Forest
Cities Cost of afforestation program = $6 million
Improvement = 12% reduction in sediment
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How might this targeting change if you consider multiple objectives?
What is the objective? What service(s)?
- Erosion control - Water Yield - Agricultural Production
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+ High Agricultural Production
Drinking water intake
Crops
Forest
Cities
High-Value Crops
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Afforestation Portfolio
Drinking water intake
Crops
Forest
Cities
High-Value Crops