2023 Early Hearing Detection & Intervention Conference
March 5-7, 2023 • Cincinnati, OH
5/25/2021 | 2:00 PM - 3:30 PM | DO FISHES ENJOY THE VIEW? A MAXENT ASSESSMENT OF FISH HABITAT WITHIN VIRGINIA SCENIC RIVERS | Virtual Platform
DO FISHES ENJOY THE VIEW? A MAXENT ASSESSMENT OF FISH HABITAT WITHIN VIRGINIA SCENIC RIVERS
National and state scenic rivers programs seek to showcase and protect lotic ecosystems, but few efforts have been made to assess their benefits for freshwater biota. Using the Virginia Scenic Rivers Program as a case study, we built species distribution models for a representative set of 31 Virginia freshwater fishes, then tested whether model-predicted habitat quality is consistently higher in designated scenic rivers than elsewhere in the state. Two criteria were used to select model species: (i) select species represented the full breadth of functional trait space comprised by Virginia freshwater fishes; and (ii) a subset of state-listed imperiled species was used to highlight species of special concern. Maximum entropy distribution models were built for each of the 31 fishes and used to predict habitat suitability throughout the state. Habitat suitability within designated scenic rivers was then summarized and compared with the complete, state-wide distribution of habitat suitability for each species. Results indicate that the Virginia Scenic Rivers Program may include some of the best habitat within the state for many native fishes. Furthermore, our flexible approach can be used to assess scenic river benefits in other regions.
- Big data
- Conservation
- Machine learning
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Presenters/Authors
Daniel McGarvey
(), Center for Environmental Studies, Virginia Commonwealth University, djmcgarvey@vcu.edu;
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Alexander Brown
(), Virginia Commonwealth University, Department of Biology, BROWNA13@MYMAIL.VCU.EDU;
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Elsa Chen
(), Virginia Commonwealth University, Department of Biology, CHENE7@MYMAIL.VCU.EDU;
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Catherine Viverette
(), Virginia Commonwealth University, Center for Environmental Studies, cbvivere@vcu.edu;
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Philip Tuley
(), Virginia Commonwealth University, Department of Biology, TULEYPA@MYMAIL.VCU.EDU;
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Olivia Latham
(), Virginia Commonwealth University, Center for Environmental Studies, LATHAMOC@mymail.vcu.edu;
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Phillip Gibbs
(), Virginia Commonwealth University, Center for Environmental Studies, GIBBSPM@mymail.vcu.edu;
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Allyson Richins
(), Virginia Commonwealth University, Department of Biology, RICHINSAE@MYMAIL.VCU.EDU;
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Michelle Deadwyler
(), Virginia Commonwealth University, Center for Environmental Studies, deadwylerm@mymail.vcu.edu;
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Baron Lin
(), Virginia Commonwealth University, Department of Biology, linb5@mymail.vcu.edu;
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Erik Kaseloo
(), Virginia Commonwealth University, Center for Environmental Studies, kaselooea@mymail.vcu.edu;
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