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- Title
Identifying correlates of success and failure of native freshwater fish reintroductions.
- Authors
Cochran‐Biederman, Jennifer L.; Wyman, Katherine E.; French, William E.; Loppnow, Grace L.
- Abstract
Reintroduction of imperiled native freshwater fish is becoming an increasingly important conservation tool amidst persistent anthropogenic pressures and new threats related to climate change. We summarized trends in native fish reintroductions in the current literature, identified predictors of reintroduction outcome, and devised recommendations for managers attempting future native fish reintroductions. We constructed random forest classifications using data from 260 published case studies of native fish reintroductions to estimate the effectiveness of variables in predicting reintroduction outcome. The outcome of each case was assigned as a success or failure on the basis of the author's perception of the outcome and on whether or not survival, spawning, or recruitment were documented during post-reintroduction monitoring. Inadequately addressing the initial cause of decline was the best predictor of reintroduction failure. Variables associated with habitat (e.g., water quality, prey availability) were also good predictors of reintroduction outcomes, followed by variables associated with stocking (e.g., genetic diversity of stock source, duration of stocking event). Consideration of these variables by managers during the planning process may increase the likelihood for successful outcomes in future reintroduction attempts of native freshwater fish. Identificación de Correlaciones de Éxito y Fracaso de Reintroducciones de Peces de Nativos Agua Dulce
- Subjects
BIODIVERSITY research; FRESHWATER fishes; WILDLIFE conservation; CLIMATE change; FISH populations
- Publication
Conservation Biology, 2015, Vol 29, Issue 1, p175
- ISSN
0888-8892
- Publication type
Article
- DOI
10.1111/cobi.12374