Ecosystem Service Value Roanoke River Basin: Assessment › uploads › 1 › 1 › 9 › 5 ›...
Transcript of Ecosystem Service Value Roanoke River Basin: Assessment › uploads › 1 › 1 › 9 › 5 ›...
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Roanoke River Basin: Ecosystem Service Value
Assessment
Dan River Basin WorkshopApril 17, 2018
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Project Team
Spencer Phillips, Ph.D.Economist & Principal
Anna PerryResearch Associate
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Agenda
• Introductions• Project Overview• Ecosystem Service Framework & Tools
Break• Baseline, Basin-wide Ecosystem Service Value
Lunch
• Group Discussion• Break out Discussions• Priority Actions and Next Steps
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Project Overview
• Baseline Ecosystem Services Assessment• Basin-wide and for Upper & Lower Dan and for Lower
Roanoke subbasins• What are stressors, issues, opportunities, that may
affect ecosystem service delivery• Evaluate effects of those factors• Develop the “ESValuator”, a QGIS plugin to make
ecosystem service valuation easier and more accessible.
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Ecosystem Services Framework
Ecosystem Services are “the effects on human well-being of the flow of benefits from an ecosystem endpoint to a human endpoint at a given extent of space and time (Johnson, et al., 2010).”
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Ecosystem Services Framework
Human-focused, but driven by ecological processes.
Biophysical quantities+
Human needs and desires=
Ecosystem Services
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Core Ecosystem Processes (nutrient and water cycles, weathering, erosion, etc.)
Beneficial Ecosystem Processes(biomass production, formation of pleasant scenery, water purification, etc.)
Ecosystem Benefits(food, fresh water, raw materials, energy, physical health, psychological well-being, knowledge, etc.)
Stressorsmay affect
entire system
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Concept Map
(Sample)
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Core processes produce
beneficial processes.
Water Regulation:(Timing)
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Stressors alter
processes.
Climate change will lengthen droughts
Water Flow less
dependable
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Benefits derive from processes
AND appreciation.
Irrigation water reduced-> crops lost
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Benefits can be
(but do not have to be) expressed in dollars.
Value of ag shipments, personal income in farming, farm employment all indicate
economic value at risk
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Using benefits has bio-physical
feedbacks.
Irrigation also modifies the system (don’t forget about feedback loops)
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Using benefits also has policy and
market feedbacks.
PES program by which farms, restaurants, and consumers support
forest restoration efforts.
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Ecosystem Services Assessment
• To enumerate and, possibly, quantify key ecosystem service values and impacts
• To provide a basis for land use management that restores, conserves and sustains ecosystem processes and benefits
• To support market-based and other relationships that provide resources for adaptation actions
• Payments for ecosystem services• Marketing and other partnerships• Revenue / cost sharing• Education
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The Sandbox
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Follow the Benefits “Upstream” (and Back).
• What are some key economic sectors?
• What benefits are they connected to?
• What processes are important to the supply of those benefits?
• What is the condition of each key processes?
• How will climate change affect that condition?
• How will changes in the process’ conditions affect benefits?
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Judgements are about Relative Change.
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Assessment Tool Sample(Nisqually River Council)
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Ecosystem Services Value Chain
Riparian Restoration
Improved water filtration
Action Ecosystemecological indicators
Ecosystem Service Supplybenefit-relevant indicators
Societal Benefit
$$
Food (consumable fish)Biomass
Independent RecreationVisitor Days
Water QualityAvoided Treatment Costs
Property Value
Nutritional Value
Option/ ExistenceValue
Value of Recreational Experience
Guided Recreation
Rec/Tour business revenue
Process / Drinking Water Supply
Healthier terrestrial species populations
Healthier fish populations
Aesthetic & Recrea-tional Quality
More streamside shading and coarse woody debris
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Break (10 Minutes)
Break
10
Minutes
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Baseline Estimates
• Land Cover (or Land Use)• Area in each land
• Ecosystem Service Productivity• $ per unit area per year• for a range of ecosystem services (water supply, recreation,
aesthetics, raw materials, etc.)• Minimum of “candidate values” or “comps” used today
• Area x $/area/year = $/year
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Further ESV Exploration
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Lunch
45
Minutes
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Stressors, Conditions, Benefits
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Ecosystem Services Value Chain
Riparian Restoration
Improved water filtration
Action Ecosystemecological indicators
Ecosystem Service Supplybenefit-relevant indicators
Societal Benefit
$$
Food (consumable fish)Biomass
Independent RecreationVisitor Days
Water QualityAvoided Treatment Costs
Property Value
Nutritional Value
Option/ ExistenceValue
Value of Recreational Experience
Guided Recreation
Rec/Tour business revenue
Process / Drinking Water Supply
Healthier terrestrial species populations
Healthier fish populations
Aesthetic & Recrea-tional Quality
More streamside shading and coarse woody debris