2023 Early Hearing Detection & Intervention Conference
March 5-7, 2023 • Cincinnati, OH
6/08/2017 | 12:00 PM - 12:15 PM | DO STREAM RESTORATION PROJECTS GET BETTER WITH AGE? RESULTS OF LONG TERM MONITORING OF URBAN STREAMBANK STABILIZATION PROJECTS | 302A
DO STREAM RESTORATION PROJECTS GET BETTER WITH AGE? RESULTS OF LONG TERM MONITORING OF URBAN STREAMBANK STABILIZATION PROJECTS
I revisited 4 bioengineered stream bank stabilization sites in the Peachtree Creek watershed in Atlanta, GA, USA previously evaluated in 2002-2003 to evaluate how physical and biological metrics had changed as the restoration sites aged (oldest site was 21 years since restoration). The sites were compared to other sites in the watershed: an unrestored site and a reference site within a nature preserve. Most restoration sites had maintained stabilized, vegetated banks, although the oldest site had suffered erosion of previously stabilized banks. The bank macroinvertebrate communities were generally similar across all 6 sites and similar to previously observed communities, although several new taxa were found in 2014, including Hydroptilidae. As in the previous study, the limited macroinvertebrate community change following restoration suggests that the watershed conditions rather than the local conditions primarily determine the bank macroinvertebrate communities in these urban streams. In both studies, the macroinvertebrates showed a preference for organic habitat, such as wood and roots, habitat which had increased in abundance by 2014. Thus, focusing short term monitoring on this habitat creation could be an effective indicator of future community status.
- S23 Rehabilitating urban streams: perspectives from science and management
- C16 Restoration Ecology
- S26 Biological Success Criteria for Stream Restoration Project Monitoring: Are We Still Searching for Unicorns?
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Presenters/Authors
Elizabeth Sudduth
(), Georgia Gwinnett College, esudduth@ggc.edu;
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