EARLY HEARING DETECTION AND INTERVENTION VIRTUAL CONFERENCE
MARCH 2-5, 2021
(Virtually the same conference, without elevators, airplane tickets, or hotel room keys)
6/08/2017 | 11:30 AM - 11:45 AM | CHUTES AND LADDERS: RECOVERY OF THE BENTHIC MACROINVERTEBRATE COMMUNITY FOLLOWING RESTORATION OF AN IMPOUNDED STEEPHEAD SPRING RUN IN NORTHERN FLORIDA | 302A
CHUTES AND LADDERS: RECOVERY OF THE BENTHIC MACROINVERTEBRATE COMMUNITY FOLLOWING RESTORATION OF AN IMPOUNDED STEEPHEAD SPRING RUN IN NORTHERN FLORIDA
Long-term biomonitoring was conducted in conjunction with dam removal and restoration of a spring-fed headwater stream located in sand hill, steephead habitat in the Apalachicola River basin in the Florida panhandle (Liberty County). Kelley Branch, a third-order stream draining steephead ravines, was impounded with an earthen dam in the 1950s. Beginning in 2006, The Nature Conservancy oversaw a project that drew down the impoundment, reconstructed the stream channel and removed the dam/culvert. One pre-restoration bioassessment and several post-restoration assessments of the macroinvertebrate community were carried out by the Florida Department Environmental Protection over a ten-year-period. In addition, university-sponsored research compared the aquatic insect community of Kelley Branch with that of a reference stream. Changes in various biometrics indicated rapid changes to macroinvertebrate community structure and function as restoration efforts returned stream flow, habitat, and other physico-chemical parameters to more natural conditions. Community structure and functionality metrics tracked stream disturbances, including sediment releases and post restoration impoundment by beavers. Lack of riparian forest limits allochthonous energy input and is restricting a recovery of the habitat and biological communities to reference conditions.
- C16 Restoration Ecology
- C17 Bioassessment
- S26 Biological Success Criteria for Stream Restoration Project Monitoring: Are We Still Searching for Unicorns?
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Presenters/Authors
Andrew Rasmussen
(), Florida A&M University, andrew.rasmussen@famu.edu;
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Rick Abad
(), Florida Department of Environmental Protection, rick.abad@dep.state.fl.us;
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Donald Ray
(), retired, Florida Department of Environmental Protection, dray02468@yahoo.com;
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