2022 Early Hearing Detection & Intervention Virtual Conference
March 13 - 15, 2022
5/22/2018 | 2:45 PM - 3:00 PM | MULTISPECIES FRESHWATER CONSERVATION PLANNING IN RESPONSE TO CLIMATE CHANGE IN THE SOUTHEASTERN UNITED STATES | 410 A
MULTISPECIES FRESHWATER CONSERVATION PLANNING IN RESPONSE TO CLIMATE CHANGE IN THE SOUTHEASTERN UNITED STATES
Streamflow and water temperature are key variables influencing the distribution of freshwater fishes, and climate-induced changes in these variables are expected to alter aquatic ecosystems. Using the species distribution model Maxent, we predicted baseline (1975–1994) and future (2060–2080) suitable habitat distributions of 88 species in the Mobile River Basin (MRB) using streamflow and water temperature estimates for each time period generated by the Soil and Water Assessment Tool hydrologic model. Maxent-generated distributions were then input into Zonation software, which selects areas of conservation prioritization by identifying regions that contain suitable habitat for high levels of biodiversity. Zonation analyses were conducted for baseline and future conditions as well as for transitions between the two periods. All Zonation scenarios were then averaged to identify areas of high conservation value across all time periods. Areas of high conservation value are largely concentrated on eastern portion of the MRB, with a majority (50.5%) of the best 5% of streams being located within the Coosa and Tallapoosa River systems. Understanding which areas may contain suitable habitat for high levels of freshwater biodiversity can help natural resource managers better prepare for potential alterations in species composition.
- Fish
- Conservation
- Hydrology
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Presenters/Authors
Michelle VanCompernolle
(), Indiana University, mvancomp@iu.edu;
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Darren Ficklin
(), Indiana University, dflickin@indiana.edu;
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Jason Knouft
(), Saint Louis University, jason.knouft@slu.edu;
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