Environmental effects on growth, reproduction, and life-history traits of loggerhead turtles

Environmental effects on growth, reproduction, and life-history traits of loggerhead turtles Article history: Understanding the relationship between the environmental conditions and life-history traits (such as Received 31 December 2016 growth, reproduction, and size at specific life stages) is important for understanding the population Received in revised form 14 June 2017 dynamics of a species and for constructing adaptable, relevant, and efficient conservation measures. Accepted 1 July 2017 For the endangered loggerhead turtle, characterizing effects of environmental conditions on the life- Available online 19 July 2017 history traits is complicated by this species’ longevity, global distribution, and migratory way of life. Two significant environmental factors – temperature and available food – often account for most of Keywords: observed intra-population variability in growth and reproduction rates, suggesting that those two factors Loggerhead turtle determine the biological responses of an individual. Adopting this hypothesis, we simulate a range of Environmental effects the two environmental factors to quantify effects of changes in temperature and food availability on an Life history individual’s physiology (energy investment into processes such as growth, maturation, and reproduction) Mechanistic model Conservation and the resulting life-history traits. To represent an individual, we use a previously developed mechanistic Marine ecology dynamic energy budget (DEB) model for loggerhead turtles. DEB models rely on http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Ecological Modelling Elsevier

Environmental effects on growth, reproduction, and life-history traits of loggerhead turtles

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier B.V.
ISSN
0304-3800
eISSN
1872-7026
D.O.I.
10.1016/j.ecolmodel.2017.07.001
Publisher site
See Article on Publisher Site

Abstract

Article history: Understanding the relationship between the environmental conditions and life-history traits (such as Received 31 December 2016 growth, reproduction, and size at specific life stages) is important for understanding the population Received in revised form 14 June 2017 dynamics of a species and for constructing adaptable, relevant, and efficient conservation measures. Accepted 1 July 2017 For the endangered loggerhead turtle, characterizing effects of environmental conditions on the life- Available online 19 July 2017 history traits is complicated by this species’ longevity, global distribution, and migratory way of life. Two significant environmental factors – temperature and available food – often account for most of Keywords: observed intra-population variability in growth and reproduction rates, suggesting that those two factors Loggerhead turtle determine the biological responses of an individual. Adopting this hypothesis, we simulate a range of Environmental effects the two environmental factors to quantify effects of changes in temperature and food availability on an Life history individual’s physiology (energy investment into processes such as growth, maturation, and reproduction) Mechanistic model Conservation and the resulting life-history traits. To represent an individual, we use a previously developed mechanistic Marine ecology dynamic energy budget (DEB) model for loggerhead turtles. DEB models rely on

Journal

Ecological ModellingElsevier

Published: Sep 24, 2017

References

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