2022 Early Hearing Detection & Intervention Virtual Conference
March 13 - 15, 2022
6/05/2017 | 12:15 PM - 12:30 PM | UNDERSTANDING WARMING WATERS: KNOWLEDGE FROM MODELS AND OBSERVATIONS, AND REMAINING QUESTIONS | 306C
UNDERSTANDING WARMING WATERS: KNOWLEDGE FROM MODELS AND OBSERVATIONS, AND REMAINING QUESTIONS
Substantial warming has been documented for inland waters and will likely impact ecosystem processes. As temperatures in many of our lakes and streams continue to rise, climate adaptation strategies for fisheries would benefit from a greater understanding of the controls on thermal refugia and predictions of these characteristics for individual water bodies. Through a combination of approaches, much is known of the magnitude and spatial patterns of warming, and likely trajectories of future change. We will share findings from global and national data syntheses, and from our empirical and modeling efforts to characterize temperature dynamics in over ten thousand US lakes. These results have been used to help explain among-lake differences in the magnitude and direction of observed changes in fish distributions. Other challenges that remain for fisheries climate adaptation will be discussed and include improved understanding of deeper water temperature changes, impacts of lake/stream coupling on refugia, and data limitations. Despite these key knowledge gaps, our improved understanding of inland water temperatures can be applied today, as projections of future habitat highlight opportunities for fisheries management on climate-resilient lakes.
- C20 Climate Change
- C02 Fish and Other Aquatic Vertebrates
- S10 Understanding and predicting the effects of climate change on lake and stream fishes
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Presenters/Authors
Jordan Read
(), US Geological Survey, jread@usgs.gov;
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Luke Winslow
(), Rensselaer Polytechnic Institute, winsll2@rpi.edu;
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Gretchen Hansen
(), MN Department of Natural Resources, Gretchen.Hansen@state.mn.us;
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