| Dispersal and survival of stocked cyprinids in a small English river: comparison with wild fishes using a multi-method approach. | |
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MedLine Citation:
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PMID: 20735555 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Mark-recapture and fixed-station passive integrated transponder (PIT) telemetry were used to compare movements, distribution and survival of stocked juvenile chub Leuciscus cephalus and roach Rutilus rutilus with those of wild conspecifics. Daily activity of wild fish activity was affected by a combination of river flow and temperature, whereas stocked fishes were not influenced by environmental factors. PIT telemetry recorded exploratory movements of stocked L. cephalus immediately after stocking, a substantial number of stocked fish moved both downstream and upstream during periods of elevated flow, and proportionally more stocked fish moved during the first 6 weeks after release than later on. Proportionally more stocked fish than wild fish moved through PIT antennae, stocked L. cephalus moved greater distances than wild L. cephalus and were more widely distributed than wild fish. Minimum estimates of survival after 5 months were 50.5% for stocked R. rutilus and 28.0% for stocked L. cephalus. Ultimately, stocked cyprinids appeared to be able to cope with elevated flows and most remained in the river section local to the stocking location. |
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Authors:
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J D Bolland; I G Cowx; M C Lucas |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of fish biology Volume: 74 ISSN: 1095-8649 ISO Abbreviation: J. Fish Biol. Publication Date: 2009 Jul |
Date Detail:
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Created Date: 2010-08-25 Completed Date: 2011-01-05 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0214055 Medline TA: J Fish Biol Country: England |
Other Details:
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Languages: eng Pagination: 2313-28 Citation Subset: IM |
Affiliation:
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University of Hull International Fisheries Institute, Cottingham Road, Hull HU67RX, UK. J.Bolland@hull.ac.uk |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Animals, Wild Cyprinidae / physiology* England Fisheries* Population Dynamics Rivers* Survival Analysis Telemetry / veterinary |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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