Use of an Ecosystem-Based Model to Evaluate Alternative Conservation Strategies for Juvenile Chinook Salmon in a Headwater Stream
| العنوان: | Use of an Ecosystem-Based Model to Evaluate Alternative Conservation Strategies for Juvenile Chinook Salmon in a Headwater Stream |
|---|---|
| المؤلفون: | Dana R. Warren, B. L. Sanderson, C. J. Harvey, Michelle M. McClure |
| المصدر: | North American Journal of Fisheries Management. 34:839-852 |
| بيانات النشر: | Wiley, 2014. |
| سنة النشر: | 2014 |
| مصطلحات موضوعية: | Chinook wind, Ecology, biology, AquAdvantage salmon, Management, Monitoring, Policy and Law, Aquatic Science, biology.organism_classification, Hatchery, Fishery, Trout, Stocking, Oncorhynchus, EcoSim, Ecology, Evolution, Behavior and Systematics, Salvelinus |
| الوصف: | Declining abundance of Chinook Salmon Oncorhynchus tshawytscha across the Pacific Northwest is an issue of great concern ecologically, culturally, and economically. Growth during the first summer is vitally important for juvenile Chinook Salmon, as it influences not only life history decisions (to smolt or not to smolt) but also subsequent river and ocean survival. Using Ecopath with Ecosim, we developed a food web model for a representative stream in the Salmon River basin, Idaho, to evaluate potential species-specific and food web effects of three management strategies: (1) adding salmon carcasses or carcass analogs to promote primary production and detrital availability that were lost due to declining salmon returns; (2) removal of nonnative Brook Trout Salvelinus fontinalis, which are competitors with and predators on juvenile Chinook Salmon; and (3) stocking hatchery Chinook Salmon into streams to supplement wild production. Overall, juvenile Chinook Salmon responded strongly to increases in ... |
| تدمد: | 1548-8675 0275-5947 |
| DOI: | 10.1080/02755947.2014.910574 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::3f0736b325b0c73e521c258c07f1320a https://doi.org/10.1080/02755947.2014.910574 |
| رقم الانضمام: | edsair.doi...........3f0736b325b0c73e521c258c07f1320a |
| قاعدة البيانات: | OpenAIRE |
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