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  • Chapman, BenLund University,Lunds universitet,Enhet akvatisk ekologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Division aquatic ecology,Department of Biology,Faculty of Science,Lund university (author)

A foraging cost of migration for a partially migratory cyprinid fish

  • Article/chapterEnglish2013

Publisher, publication year, extent ...

  • 2013-05-28
  • Public Library of Science (PLoS),2013
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:kau-30439
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-30439URI
  • https://doi.org/10.1371/journal.pone.0061223DOI
  • https://lup.lub.lu.se/record/3927331URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • 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 and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Eriksen, AndersAarhus university (author)
  • Baktoft, HenrikNational Institute of Aquatic Resources, Technical University of Denmark (DTU), Silkeborg, Denmark (author)
  • Brodersen, JakobCentre of Ecology, Evolution and Biochemistry, Kastanienbaum, Switzerland (author)
  • Nilsson, P. Anders,1968-Lund University,Lunds universitet,Enhet akvatisk ekologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Division aquatic ecology,Department of Biology,Faculty of Science(Swepub:lu)ekol-ani (author)
  • Hulthén, KajLund 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,(Swepub:lu)limn-kah (author)
  • Brönmark, ChristerLund 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,(Swepub:lu)lim-cbr (author)
  • Hansson, Lars-AndersLund 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,(Swepub:lu)lim-lah (author)
  • Grønkjær, PeterAarhus University (author)
  • Skov, ChristianTechnical University of Denmark (DTU), Silkeborg, Denmark (author)
  • Enhet akvatisk ekologiBiologiska institutionen (creator_code:org_t)

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  • In:PLOS ONE: Public Library of Science (PLoS)8:51932-6203

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