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

doi:10.1016/j.seares.2018.09.016

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

^*Corresponding author for this work

Research output: Contribution to Journal › Article › Academic › peer-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 ṗ_M 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 language	English
Pages (from-to)	173-182
Number of pages	10
Journal	Journal of sea research
Volume	143
Early online date	27 Sept 2018
DOIs	https://doi.org/10.1016/j.seares.2018.09.016
Publication status	Published - Jan 2019

Funding

We thank all who contributed to the AmP collection. We also thank MR Kearney, guest editor of the DEB SI, and two anonymous reviewers for their helpful comments. IBA and RW were funded by the EU within the framework (FP7) of the Marie Curie Initial Training Network ARAMACC (604802). SA and MLC were supported by The Research Council of Norway (“FRamework for integrating Eco-physiological and Ecotoxicological data into marine ecosystem-based management tools” NFR 255295 ; and “ Reconstruction of Environmental Histories Using Long-Lived Bivalve Shells in the Norwegian Arctic (RELIC) ” NFR-227048E10 , respectively). AJW and MJM were supported by U.S. National Science Foundation grant # 1417766 , “Exploring the role of oceanic and atmospheric forcing on Arctic marine climate from newly developed annual shell based records in coastal Norway.” Appendix A

Funders	Funder number
DEB SI
MR Kearney
National Science Foundation
Directorate for Geosciences	1417766
Seventh Framework Programme	604802
European Commission
The Research Council
Norges forskningsråd	NFR 255295, NFR-227048E10

Keywords

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

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.seares.2018.09.016

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

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 Ing{\o}ya (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.",

keywords = "ageing, Dynamic Energy Budget (DEB) Theory, food conditions, growth, metabolism, Ocean quahog, temperature",

author = "Irene Ballesta-Artero and Starrlight Augustine and Rob Witbaard and Carroll, \{Michael L.\} and Mette, \{Madelyn J.\} and \{Wanamaker Alan\}, D. and \{van der Meer\}, Jaap",

year = "2019",

month = jan,

doi = "10.1016/j.seares.2018.09.016",

language = "English",

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AU - Ballesta-Artero, Irene

AU - Augustine, Starrlight

AU - Witbaard, Rob

AU - Carroll, Michael L.

AU - Mette, Madelyn J.

AU - Wanamaker Alan, D.

AU - van der Meer, Jaap

PY - 2019/1

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N2 - 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.

AB - 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.

KW - ageing

KW - Dynamic Energy Budget (DEB) Theory

KW - food conditions

KW - growth

KW - metabolism

KW - Ocean quahog

KW - temperature

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JO - Journal of sea research

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

Abstract

Funding

Keywords

UN SDGs

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