State Water Resources Research Institute Program

Project ID: 2011WI267B
Title: Climate Change Impacts on Stream Temperature and Flow: Consequences for Great Lakes Fish Migrations
Project Type: Research
Start Date: 3/01/2011
End Date: 2/29/2012
Congressional District: WI-2
Focus Categories: Climatological Processes, Ecology
Keywords: Climate, fish, rivers, Great Lakes
Principal Investigator: McIntyre, Peter Biek (University of Wisconsin)
Federal Funds: $ 30,147
Non-Federal Matching Funds: $ 30,272
Abstract: The proposed project seeks to generate the first broad-scale assessment of how climate change has altered fish migrations in Great Lakes tributaries of Wisconsin, thereby highlighting the ecological consequences of shifts in stream temperatures and flow. Fish migrations are triggered by seasonal shifts in stream conditions, and climate change has resulted in earlier spring migrations in many parts of the world. Changes in the timing of Great Lakes fish migrations remain undocumented, but are likely to occur. This project will synthesize historical data on the timing of migrations, use a citizen monitoring network to document current migrations and sensitivity to environmental cues, and predict future changes in fish migrations based on existing hydrological models of stream flow and temperature under various climate change scenarios. Shifts in the timing of migrations are expected to have serious implications at the species, community, and ecosystem levels. The abiotic-biotic coupling underlying fish migrations also offers an ideal opportunity for outreach that leverages broad public interest in fish and fisheries. Thus, this project is uniquely suited to addressing needs for both scientific and public understanding of the ecological impacts of shifts in water temperature and flow driven by climate change.

Progress/Completion Report, 2011, PDF

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