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Testing Bergmann's rule in marine copepods

  • Max D. Campbell*
  • , David S. Schoeman
  • , William Venables
  • , R Abu‐Alhaija
  • , Sonia D. Batten
  • , Sanae Chiba
  • , Frank Coman
  • , Claire H. Davies
  • , Martin Edwards
  • , Ruth S. Eriksen
  • , Jason D. Everett
  • , Yutaka Fukai
  • , Mitsuo Fukuchi
  • , Garrote O Esquivel
  • , Graham Hosie
  • , Jenny A. Huggett
  • , David G. Johns
  • , John A. Kitchener
  • , Philippe Koubbi
  • , Felicity R. McEnnulty
  • Erik Muxagata, Clare Ostle, Karen V. Robinson, Anita Slotwinski, Kerrie M. Swadling, Kunio T. Takahashi, Mark Tonks, J Uribe‐Palomino, Hans M. Verheye, William H. Wilson, Marco M. Worship, Atsushi Yamaguchi, Wuchang Zhang, Anthony J. Richardson
*Corresponding author for this work
  • Griffith University Queensland
  • University of New South Wales
  • University of the Sunshine Coast
  • CSIRO
  • University of Queensland
  • Marine Biological Association
  • North Pacific Marine Science Organization (PICES)
  • Japan Agency for Marine-Earth Science and Technology
  • United Nations Environment Programme (UNEP) World Conservation Monitoring Centre
  • Hokkaido University
  • Research Organization of Information and Systems, National Institute of Polar Research
  • Oceans and Coasts Research
  • University of Cape Town
  • Australian Antarctic Division
  • Institut français de recherche pour l’exploitation de la mer
  • UFR 918 Terre Environnement Biodiversité
  • NIWA
  • University of Tasmania
  • CAS - Institute of Oceanology

Research output: Contribution to journalArticlepeer-review

Abstract

<jats:p>Macroecological relationships provide insights into rules that govern ecological systems. Bergmann's rule posits that members of the same clade are larger at colder temperatures. Whether temperature drives this relationship is debated because several other potential drivers covary with temperature. We conducted a near‐global comparative analysis on marine copepods (97 830 samples, 388 taxa) to test Bergmann's rule, considering other potential drivers. Supporting Bergmann's rule, we found temperature better predicted size than did latitude or oxygen, with body size decreasing by 43.9% across the temperature range (‐1.7 to 30ºC). Body size also decreased by 26.9% across the range in food availability. Our results provide strong support for Bergman's rule in copepods, but emphasises the importance of other drivers in modifying this pattern. As the world warms, smaller copepod species are likely to emerge as ‘winners', potentially reducing rates of fisheries production and carbon sequestration.</jats:p>
Original languageEnglish
Pages (from-to)1283-1295
Number of pages0
JournalEcography
Volume44
Issue number9
Early online date10 Aug 2021
DOIs
Publication statusPublished - Sept 2021

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  • Testing Bergmann's Rule in marine copepods

    Campbell, M., Schoeman, D., Venables, W., Abu-Alhaija, R., Batten, S., Chiba, S., Coman, F., Davies, C., Edwards, M., Eriksen, R., Everett, J., Fukai, Y., Fukuchi, M., Garrote, O., Hosie, G., Huggett, J., Johns, D., Kitchener, J., Koubbi, P. & McEnnulty, F. & 14 others, Muxagata, E., Ostle, C., Robinson, K., Slotwinski, A., Swadling, K., Takahashi, K., Tonks, M., Uribe-Palomino, J., Verheye, H., Wilson, W., Worship, M., Yamaguchi, A., Wuchang, Z. & Richardson, A., 8 Oct 2020.

    Research output: Working paper / PreprintPreprint

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