EARLY HEARING DETECTION AND INTERVENTION VIRTUAL CONFERENCE
MARCH 2-5, 2021
(Virtually the same conference, without elevators, airplane tickets, or hotel room keys)
5/24/2018 | 11:15 AM - 11:30 AM | MODELING THERMAL LANDSCAPES FROM A FISH PERSPECTIVE WITH IMPLICATIONS FOR A CHANGING CLIMATE | 310 B
MODELING THERMAL LANDSCAPES FROM A FISH PERSPECTIVE WITH IMPLICATIONS FOR A CHANGING CLIMATE
Water temperatures fluctuate in time and over space, creating diverse thermal regimes on river networks. Both native and non-native fish species move through these waters, utilizing particular elements, or facets, of the thermal landscape during each stage of their lifecycle. Using water temperature data collected every 30-minutes for five years at 40+ locations in the Snoqualmie River, WA, we fit spatial stream network models (SSNMs) to thermal metrics quantifying facets of the thermal landscape that are documented to be of importance to Chinook Salmon, Bull Trout, and Largemouth Bass during spawning, egg incubation, and juvenile rearing. Climate, land form, and land use characteristics were considered for each spatial model in order to gain a clearer understanding of the potential ecological drivers of thermal habitat by species. We present differences in best models describing the distribution of, say, emergence phenology for Largemouth Bass versus Chinook Salmon. We also explore how the distribution of these facets shifts between years and in years with extreme low flows and high temperatures. We conclude by considering how our results can be generalize to other basins.
- Temperature
- Monitoring
- Climate Change
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Presenters/Authors
Amy Marsha
(), University of Washington, amarsha2@uw.edu;
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E. Ashley Steel
(), PNW Research Station, US Forest Service, asteel.usfs@gmail.com;
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Aimee Fullerton
(), Northwest Fisheries Science Center, NOAA, aimee.fullerton@noaa.gov;
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