2023 Early Hearing Detection & Intervention Conference
March 5-7, 2023 • Cincinnati, OH
6/05/2017 | 11:30 AM - 11:45 AM | APPLYING THE SUSTAINABLE BOUNDARY APPROACH TO DEVELOP FLOW GUIDLINES IN THE UNREGULATED FLINT RIVER, GEORGIA | 301B
APPLYING THE SUSTAINABLE BOUNDARY APPROACH TO DEVELOP FLOW GUIDLINES IN THE UNREGULATED FLINT RIVER, GEORGIA
Concerns over the ability to provide for public supply and support the requirements for aquatic biota are amplified in Georgia and the southeastern US by increasing population, increasing temperatures, and variable precipitation. Given uncertainty, there is need for systematic assessment of hydrologic change and evaluation of biological responses. We used the Sustainable Boundary Approach (SBA) to develop flow guidelines for 2 gauging stations on the Flint River. Substantial declines in growing season daily flows were apparent in the past 30+ years. Biological responses are undocumented, however several faunal groups (fishes, mussels, and crayfishes) are likely affected. The Flint River appears at risk for moderate to severe ecological degradation, for biota and ecological processes depending on growing season flow. Sufficient information exists to guide management and a monitoring network is in place to provide feedback. Challenges lie in engaging diverse stakeholders in a process leading to regional flows that sustain ecological structure and function. Actions could include more rapid responses to drought warning systems already in place, and enhanced conservation, particularly in the upper watershed.
- C06 Large River Ecology
- C14 Hydroecology
- C36 Water Resource Management
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Presenters/Authors
Stephen Golladay
(), The Jones Center at Ichauway, steve.golladay@jonesctr.org;
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Nicholas Marzolf
(), J.W. Jones Ecological Research Center, nmarzolf@jonesctr.org;
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Chelsea Smith
(), The Jones Center at Ichauway, chelsea.smith@jonesctr.org;
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