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ETWG Performance Indicator Update PFEG Workshop – Buffalo, NY October 30, 2003

ETWG Performance Indicator Update PFEG Workshop – Buffalo, NY October 30, 2003. Overview of ETWG PI’s. Six PI categories: Wetland plants (diversity/abundance) Fish (habitat supply, abundance) Wetland birds & waterfowl (abundance/diversity) Species-at-risk (habitat supply)

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ETWG Performance Indicator Update PFEG Workshop – Buffalo, NY October 30, 2003

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  1. ETWG Performance Indicator UpdatePFEG Workshop – Buffalo, NYOctober 30, 2003

  2. Overview of ETWG PI’s • Six PI categories: • Wetland plants (diversity/abundance) • Fish (habitat supply, abundance) • Wetland birds & waterfowl (abundance/diversity) • Species-at-risk (habitat supply) • Reptiles & amphibians (abundance/diversity) • Muskrats (abundance) • Some crossover between species-at-risk and modeling for fish/wetland birds/reptiles • “Integrated Ecosystem Response Model” will incorporate all PI responses into single framework

  3. Changes to PI List • Original PI list submitted in May was fairly vague (limited information on units, etc.) • Major refinements, some additions over last 6 months – updated PI tables available • Remaining questions revolve around final species selections for: • Wetland birds • Species-at-risk • Amphibians/reptiles

  4. PI Metrics • Wetland plant PI metrics: • Total area of plant species/classes (hectares or %) • Biomass of plant species/classes (kg) • Faunal PI metrics: • Total habitat supply area (hectares) • Population or trend (total #, % decrease, etc.) • Other: Bird nesting/brooding/migration success (% or #)

  5. Status/Timeline for PI Functions • Critical path item: wetland plant modeling • Affects habitat inputs for most other PI’s • Coding of complex algorithms in progress • Complex PI algorithms will be integrated into single ETWG model (implemented in VB, databases) • Goal: preliminary PI functions ready in January in time for PFEG Workshop (March)

  6. Needs from other TWGs • Temperature needs for entire system will be re-evaluated • Potential opportunity for incorporating output from upper St. Lawrence River hydrodynamic model (A. Thompson) – similar to approach for lower river • Coastal erosion ouputs for eastern Lake Ontario may assist in modeling habitat for some species-at-risk (barrier dune complexes)

  7. Issues/Concerns • Challenge of meeting schedule (March PFEG workshop) • Developing simple functions for PI responses may require generating results with many different plans – will this be feasible? • Upper & Lower St. Lawrence PI calculations are the most challenging due to dynamic nature of system (wetting/drying cycles, temperature)

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