WRI’s NutrientNet and USDA’s Nutrient Trading Tool
Presentation to NACD
May 11, 2011
Sara Walker, World Resources Institute
Overview of NutrientNet/NTT
• Versions of tool developed for Pennsylvania, West Virginia, and Maryland
• Calculation tool for estimating on-farm nitrogen and phosphorus losses
• Interactive farm mapping• Credit registry• Credit marketplace
The Future of NutrientNet/NTT
• Multistate trading platform for water quality trading in the Bay watershed
• Calculations to estimate sediment losses and carbon sequestration rates
• Farm Profit Calculator
NTT
Structural BMPs
EOS Delivery
Management Info
NTT Output (Edge of
Farm)
Current Load (EOS)
TMDL Baseline
(EOS)
Trading Eligibility
Chesapeake Bay Watershed Model
NutrientNet Calculations
= NTT
=NutrientNet Operations
= CBWM
Spatial Info
Questions?
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