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A foraging cost of ...
A foraging cost of migration for a partially migratory cyprinid fish
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- Chapman, Ben (author)
- Lund University,Lunds universitet,Enhet akvatisk ekologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Division aquatic ecology,Department of Biology,Faculty of Science,Lund university
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- Eriksen, Anders (author)
- Aarhus university
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- Baktoft, Henrik (author)
- National Institute of Aquatic Resources, Technical University of Denmark (DTU), Silkeborg, Denmark
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- Brodersen, Jakob (author)
- Centre of Ecology, Evolution and Biochemistry, Kastanienbaum, Switzerland
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- Nilsson, P. Anders, 1968- (author)
- Lund University,Lunds universitet,Enhet akvatisk ekologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Division aquatic ecology,Department of Biology,Faculty of Science
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- Hulthén, Kaj (author)
- Lund University,Lunds universitet,Enhet akvatisk ekologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Division aquatic ecology,Department of Biology,Faculty of Science,Department of Biology, Aquatic Ecology Unit, Lund University, Lund,
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- Brönmark, Christer (author)
- Lund University,Lunds universitet,Enhet akvatisk ekologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Division aquatic ecology,Department of Biology,Faculty of Science,Department of Biology, Aquatic Ecology Unit, Lund University, Lund,
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- Hansson, Lars-Anders (author)
- Lund University,Lunds universitet,Enhet akvatisk ekologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Division aquatic ecology,Department of Biology,Faculty of Science,Department of Biology, Aquatic Ecology Unit, Lund University, Lund,
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- Grønkjær, Peter (author)
- Aarhus University
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- Skov, Christian (author)
- Technical University of Denmark (DTU), Silkeborg, Denmark
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(creator_code:org_t)
- 2013-05-28
- 2013
- English.
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In: PLOS ONE. - : Public Library of Science (PLoS). - 1932-6203. ; 8:5
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Abstract
Subject headings
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- Migration has evolved as a strategy to maximise individual fitness in response to seasonally changing ecological and environmental conditions. However, migration can also incur costs, and quantifying these costs can provide important clues to the ultimate ecological forces that underpin migratory behaviour. A key emerging model to explain migration in many systems posits that migration is driven by seasonal changes to a predation/growth potential (p/g) trade-off that a wide range of animals face. In this study we assess a key assumption of this model for a common cyprinid partial migrant, the roach Rutilus rutilus, which migrates from shallow lakes to streams during winter. By sampling fish from stream and lake habitats in the autumn and spring and measuring their stomach fullness and diet composition, we tested if migrating roach pay a cost of reduced foraging when migrating. Resident fish had fuller stomachs containing more high quality prey items than migrant fish. Hence, we document a feeding cost to migration in roach, which adds additional support for the validity of the p/g model of migration in freshwater systems.
Subject headings
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Keyword
- Biology
- Biologi
Publication and Content Type
- ref (subject category)
- art (subject category)
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PLOS ONE
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To the university's database
- By the author/editor
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Chapman, Ben
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Eriksen, Anders
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Baktoft, Henrik
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Brodersen, Jakob
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Nilsson, P. Ande ...
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Hulthén, Kaj
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show more...
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Brönmark, Christ ...
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Hansson, Lars-An ...
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Grønkjær, Peter
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Skov, Christian
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Ecology
- Articles in the publication
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PLOS ONE
- By the university
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Karlstad University
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Lund University