| Feeding ecology of early marine phase Atlantic salmon Salmo salar post-smolts. | |
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MedLine Citation:
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PMID: 21781097 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Dietary analyses of Atlantic salmon Salmo salar post-smolt stomachs collected from 2001 to 2005 in Penobscot Bay, Maine, U.S.A., have yielded insights into the feeding ecology of early marine phase post-smolts from different rearing origins. Most stomachs contained only one or two prey types, suggesting active prey selection. Post-smolts that lived in the river longer (i.e. from naturally reared and parr-stocked origins) were smaller and consumed more fishes than invertebrates compared to larger post-smolts that emigrated immediately post-stocking (i.e. from smolt-stocked origins). Naturally reared S. salar consumed c. 84% fishes and 16% crustaceans and parr-stocked S. salar consumed 64% fishes and 34% crustaceans. Stocked smolts consumed 48% fishes and 40% crustaceans. Differences in the type and quantity of consumed prey may be indicative of behavioural differences among rearing origins that influence post-smolt survival. |
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Authors:
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M D Renkawitz; T F Sheehan |
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Publication Detail:
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Type: Journal Article Date: 2011-07-08 |
Journal Detail:
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Title: Journal of fish biology Volume: 79 ISSN: 1095-8649 ISO Abbreviation: J. Fish Biol. Publication Date: 2011 Aug |
Date Detail:
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Created Date: 2011-07-25 Completed Date: - 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: 356-73 Citation Subset: IM |
Copyright Information:
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Journal of Fish Biology © 2011 The Fisheries Society of the British Isles. No claim to original US government works. |
Affiliation:
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National Marine Fisheries Service, Northeast Fisheries Science Center, 166 Water Street, Woods Hole, MA 02543, U.S.A. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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