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Adult and offspring size in the ocean over 17 orders of magnitude follows two life history strategies
University of Hawaii, USA.
Technical University of Denmark, Denmark.
Technical University of Denmark, Denmark.
Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science. (MPEA ; Zooplankton Ecology)ORCID iD: 0000-0002-3740-5998
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2015 (English)In: Ecology, ISSN 0012-9658, E-ISSN 1939-9170, Vol. 96, no 12, 3303-3311 p.Article in journal (Refereed) Published
Abstract [en]

Explaining variability in offspring vs. adult size among groups is a necessary step to determine the evolutionary and environmental constraints shaping variability in life history strategies. This is of particularly interest for life in the ocean where a diversity of offspring development strategies is observed along with variability in physical and biological forcing factors in space and time. We compiled adult and offspring size for 408 pelagic marine species covering >17 orders of magnitude in body mass including Cephalopoda, Cnidaria, Crustaceans, Ctenophora, Elasmobranchii, Mammalia, Sagittoidea, and Teleost. We find marine life following one of two distinct strategies, with offspring size being either proportional to adult size (e.g. Crustaceans, Euratatoria, Elasmobranchii and Mammalia) or invariant with adult size (e.g. Cephalopoda, Cnidaria, Sagittoidea, Teleosts and possibly Ctenophora). We discuss where these two strategies occur and how these patterns (along with the relative size of the offspring) may be shaped by physical and biological constraints in the organism's environment. This adaptive environment along with the evolutionary history of the different groups shape observed life history strategies and possible group-specific responses to changing environmental conditions (e.g. production and distribution).

Place, publisher, year, edition, pages
2015. Vol. 96, no 12, 3303-3311 p.
Keyword [en]
Adult size, Carbon mass, Evolution, Life history, Marine animals, Offspring size, Reproductive strategy
National Category
Ecology
Research subject
Ecology, Aquatic Ecology
Identifiers
URN: urn:nbn:se:lnu:diva-45742DOI: 10.1890/14-2491.1ISI: 000367287900017OAI: oai:DiVA.org:lnu-45742DiVA: diva2:846706
Available from: 2015-08-17 Created: 2015-08-17 Last updated: 2017-01-11Bibliographically approved

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Hylander, Samuel
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Neuheimer, A. B., Hartvig, M., Hylander, S., Kiorboe, T., Olsson, K. H., Saimont, J. & Andersen, K. H. (2016). Adult and offspring size in the ocean: a database of size metrics and conversion factors. John Wiley & Sons.

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
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  • Other locale
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