Instream Flow Resources Project Flow-Ecology Hypotheses Committee
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Transcript of Instream Flow Resources Project Flow-Ecology Hypotheses Committee
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Instream Flow ResourcesProject
Flow-Ecology Hypotheses Committee
Meeting #8July 11, 2013
Presented in cooperation with
Gulf Coast Prairie Landscape Conservation Cooperative
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Meeting Objectives
• Update on prep for testing flow-ecology hypotheses
• Additional river classification attributes
• Flow-Ecology Hypothesis descriptions
• Prep for October workshop
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Flow-Ecology Hypotheses TestsUpdate
• Fish-Gage paired data
• Ecological metrics
• Hydrologic metrics
• Reference and Altered periods for analyses
• Statistical analyses
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Locations of paired Fish-Gage dataN=52
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GCPLCC FEH gages – Daily Flows with Fish Sampling Dates
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dam
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Meeting Objectives
• Update on prep for testing flow-ecology hypotheses
• Additional river classification attributes
• Flow-Ecology Hypothesis descriptions
• Prep for October workshop
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SARP River Classification FrameworkGeomorphic Sub-Classifications
Stream Gradient
Ecoregions• EPA Level III• Freshwater• EDU
Size
Hydrology
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Seasonal Classes of Southeastern Rivers
Source: Konrad USGS
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Meeting Objectives
• Update on prep for testing flow-ecology hypotheses
• Additional river classification attributes
• Flow-Ecology Hypothesis descriptions
• Prep for October workshop
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River Classification for FEH Analyses• Size• Ecoregion• Seasonal flow• Stability
• Other attributes might include• p/a of floodplain• Regulated• ??
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Flow-Ecology Hypotheses Descriptions• Objective: Describe the mechanisms that drive the ecological
responses to flow alteration
• Format: 1-2 pages based on the description on the hierarchy of species-guild-assemblage hypotheses with citations
• Schedule: draft to Shannon and Mary by end of August
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Prep for October Workshop
• Preliminary results presented on August 22 webinar
• First draft of report due late September (?)
• Comments/discussion at workshop about • Report• Use of regional FEH• Other?