Energetics of the extremely long-living bivalve Arctica islandica based on a Dynamic Energy Budget model

Irene Ballesta-Artero, Starrlight Augustine, Rob Witbaard, Michael L. Carroll, Madelyn J. Mette, D. Wanamaker Alan, Jaap van der Meer

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

The ocean quahog Arctica islandica is the longest–living mollusk on Earth with a lifespan of at least 500 years. The slow senescence of this bivalve has promoted a great interest in its metabolic strategy. A dynamic energy budget (DEB) model was applied to describe how this species allocates its energy to maintenance, growth, maturation, and reproduction in a variable environment. We studied the relationship between A. islandica growth, lifespan, and food availability at eight different locations in the North Atlantic Ocean. Our results indicate that A. islandica's extreme longevity arises from its low somatic maintenance cost ṗM and low ageing acceleration h¨a, but there was not a direct relationship between food availability and lifespan in these A. islandica locations. Monkey Bank (North Sea), Iceland, and Ingøya (northern Norway) had the highest food availability estimates of all the localities but did not have the lowest longevities, in contrast to the theory of caloric restriction.

Original languageEnglish
Pages (from-to)173-182
Number of pages10
JournalJournal of sea research
Volume143
Early online date27 Sep 2018
DOIs
Publication statusPublished - Jan 2019

Fingerprint

Arctica islandica
energy budget
food availability
bivalve
Bivalvia
energetics
energy
senescence
maturation
Iceland
North Sea
Atlantic Ocean
molluscs
ocean
monkeys
Norway
cost
oceans

Keywords

  • ageing
  • Dynamic Energy Budget (DEB) Theory
  • food conditions
  • growth
  • metabolism
  • Ocean quahog
  • temperature

Cite this

Ballesta-Artero, Irene ; Augustine, Starrlight ; Witbaard, Rob ; Carroll, Michael L. ; Mette, Madelyn J. ; Wanamaker Alan, D. ; van der Meer, Jaap. / Energetics of the extremely long-living bivalve Arctica islandica based on a Dynamic Energy Budget model. In: Journal of sea research. 2019 ; Vol. 143. pp. 173-182.
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Energetics of the extremely long-living bivalve Arctica islandica based on a Dynamic Energy Budget model. / Ballesta-Artero, Irene; Augustine, Starrlight; Witbaard, Rob; Carroll, Michael L.; Mette, Madelyn J.; Wanamaker Alan, D.; van der Meer, Jaap.

In: Journal of sea research, Vol. 143, 01.2019, p. 173-182.

Research output: Contribution to JournalArticleAcademicpeer-review

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Ballesta-Artero I, Augustine S, Witbaard R, Carroll ML, Mette MJ, Wanamaker Alan D et al. Energetics of the extremely long-living bivalve Arctica islandica based on a Dynamic Energy Budget model. Journal of sea research. 2019 Jan;143:173-182. https://doi.org/10.1016/j.seares.2018.09.016