Testing Bergmann's rule in marine copepods
| Type | Article | ||||||||||||
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| Date | 2021-09 | ||||||||||||
| Language | English | ||||||||||||
| Author(s) | Campbell Max D. 1, 2, Schoeman David S.3, Venables William4, 5, Abu‐alhaija Rana6, Batten Sonia D.7, 8, Chiba Sanae9, 10, Coman Frank11, Davies Claire H.12, Edwards Martin13, Eriksen Ruth S.12, Everett Jason D.5, 11, Fukai Yutaka14, Fukuchi Mitsuo15, Esquivel Garrote Octavio16, Hosie Graham13, Huggett Jenny A.17, 18, Johns David G.13, Kitchener John A.19, Koubbi Philippe20, 21, McEnnulty Felicity R.12, Muxagata Erik20, Ostle Clare13, Robinson Karen V.22, Slotwinski Anita11, Swadling Kerrie M.23, Takahashi Kunio T.15, Tonks Mark11, Uribe‐palomino Julian11, Verheye Hans M.17, Wilson William H.13, Worship Marco M.18, Yamaguchi Atsushi14, Zhang Wuchang24, Richardson Anthony J.5, 11 |
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| Affiliation(s) | 1 : School of Mathematics and Statistics, Univ. of New South Wales Kensington NSW ,Australia 2 : Australian Rivers Inst. – Coasts and Estuaries, School of Environment and Science, Griffith Univ. Nathan QLD ,Australia 3 : Global‐Change Ecology Research Group, School of Science and Engineering, Univ. of the Sunshine Coast Maroochydore QLD ,Australia 4 : Commonwealth Scientific and Industrial Research Organisation (CSIRO) Data61, Ecosciences Precinct Dutton Park QLD, Australia 5 : School of Mathematics and Physics, Univ. of Queensland St Lucia QLD ,Australia 6 : The Cyprus Inst. Nicosia, Cyprus 7 : CPR Survey, Marine Biological Association (MBA) Nanaimo BC ,Canada 8 : North Pacific Marine Science Organization (PICES) Sidney BC, Canada 9 : Japan Agency for Marine‐Earth Science and Technology (JAMSTEC) Yokohama, Japan 10 : UNEP‐WCMC Cambridge ,UK 11 : Commonwealth Scientific and Industrial Research Organisation (CSIRO) Oceans and Atmosphere, BioSciences Precinct (QBP) St Lucia QLD ,Australia 12 : Commonwealth Scientific and Industrial Research Organisation (CSIRO) Oceans and Atmosphere Hobart TAS, Australia 13 : CPR Survey, Marine Biological Association (MBA) Plymouth, UK 14 : Hokkaido Univ., Graduate School of Fisheries Sciences Hakodate Hokkaido ,Japan 15 : National Inst. of Polar Research Tokyo ,Japan 16 : Laboratório de Zooplâncton, Univ. Federal do Rio Grande – FURG Rio Grande ,Brazil 17 : Dept of Biological Sciences and Marine Research Inst., Univ. of Cape Town Cape Town, South Africa 18 : Oceans and Coasts Research, Dept of Forestry and Fisheries and the Environment Cape Town ,South Africa 19 : Australian Antarctic Division, Dept of Agriculture, Water and the Environment Kingston TAS ,Australia 20 : IFREMER, Laboratoire Halieutique Manche mer du Nord Boulogne‐sur‐Mer ,France 21 : UFR 918 Terre Environnement Biodiversité Paris ,France 22 : National Inst. of Water and Atmospheric Research (NIWA) Christchurch ,New Zealand 23 : Australian Antarctic Program Partnership and Inst. for Marine and Antarctic Studies, Univ. of Tasmania Sandy Bay TAS ,Australia 24 : Inst. of Oceanology, Chinese Academy of Sciences Qingdao PR ,China |
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| Source | Ecography (0906-7590) (Wiley), 2021-09 , Vol. 44 , N. 9 , P. 1283-1295 | ||||||||||||
| DOI | 10.1111/ecog.05545 | ||||||||||||
| WOS© Times Cited | 25 | ||||||||||||
| Keyword(s) | allometry, chlorophyll, continuous plankton recorder, ectotherms, environmental drivers, invertebrate, macroecology, statistical modelling, temperature-size rule, zooplankton | ||||||||||||
| Abstract | 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. |
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