A foraging cost of migration for a partially migratory cyprinid fish.

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 be...

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Autores principales:	Ben B Chapman, Anders Eriksen, Henrik Baktoft, Jakob Brodersen, P Anders Nilsson, Kaj Hulthen, Christer Brönmark, Lars-Anders Hansson, Peter Grønkjær, Christian Skov
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2013
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/869dfd198d494ae48fd1a09ebb96d066
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spelling	oai:doaj.org-article:869dfd198d494ae48fd1a09ebb96d0662021-11-18T07:44:12ZA foraging cost of migration for a partially migratory cyprinid fish.1932-620310.1371/journal.pone.0061223https://doaj.org/article/869dfd198d494ae48fd1a09ebb96d0662013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23723967/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203Migration 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.Ben B ChapmanAnders EriksenHenrik BaktoftJakob BrodersenP Anders NilssonKaj HulthenChrister BrönmarkLars-Anders HanssonPeter GrønkjærChristian SkovPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 5, p e61223 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ben B Chapman Anders Eriksen Henrik Baktoft Jakob Brodersen P Anders Nilsson Kaj Hulthen Christer Brönmark Lars-Anders Hansson Peter Grønkjær Christian Skov A foraging cost of migration for a partially migratory cyprinid fish.
description	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.
format	article
author	Ben B Chapman Anders Eriksen Henrik Baktoft Jakob Brodersen P Anders Nilsson Kaj Hulthen Christer Brönmark Lars-Anders Hansson Peter Grønkjær Christian Skov
author_facet	Ben B Chapman Anders Eriksen Henrik Baktoft Jakob Brodersen P Anders Nilsson Kaj Hulthen Christer Brönmark Lars-Anders Hansson Peter Grønkjær Christian Skov
author_sort	Ben B Chapman
title	A foraging cost of migration for a partially migratory cyprinid fish.
title_short	A foraging cost of migration for a partially migratory cyprinid fish.
title_full	A foraging cost of migration for a partially migratory cyprinid fish.
title_fullStr	A foraging cost of migration for a partially migratory cyprinid fish.
title_full_unstemmed	A foraging cost of migration for a partially migratory cyprinid fish.
title_sort	foraging cost of migration for a partially migratory cyprinid fish.
publisher	Public Library of Science (PLoS)
publishDate	2013
url	https://doaj.org/article/869dfd198d494ae48fd1a09ebb96d066
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A foraging cost of migration for a partially migratory cyprinid fish.

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