Predicting the effects of a changing environment on green turtle (Chelonia mydas) energetics: a Dynamic Energy Budget approach

Jessica Stubbs

doi:10.26182/5f333df7c2bef

Predicting the effects of a changing environment on green turtle (Chelonia mydas) energetics: a Dynamic Energy Budget approach

Jessica Stubbs

School of Biological Sciences

Research output: Thesis › Doctoral Thesis

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Abstract

Understanding how environmental conditions affect physiological processes is important for predicting how threatened species will respond to a changing climate. Here, I parameterise and apply a Dynamic Energy Budget model to investigate the effects of varying food and temperatures on the growth and reproduction of green turtles at Ningaloo Reef, Western Australia. Using multiple stable isotope techniques, I characterise the diet of foraging green turtles and describe patterns of variation within this population. This work suggests the strongest impacts of climate change will likely be mediated through changes in food availability rather than direct effects of temperature on physiological rates.

Original language	English
Qualification	Doctor of Philosophy
Awarding Institution	The University of Western Australia
Supervisors/Advisors	Mitchell, Nicki, Supervisor Vanderklift, Mathew, Supervisor Fossette-Halot, Sabrina, Supervisor
Thesis sponsors	Australian Government Research Training Program
Award date	27 Jul 2020
DOIs	https://doi.org/10.26182/5f333df7c2bef
Publication status	Unpublished - 2020

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THESIS - DOCTOR OF PHILOSOPHY - STUBBS, Jessica - 2020
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Cite this

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AB - Understanding how environmental conditions affect physiological processes is important for predicting how threatened species will respond to a changing climate. Here, I parameterise and apply a Dynamic Energy Budget model to investigate the effects of varying food and temperatures on the growth and reproduction of green turtles at Ningaloo Reef, Western Australia. Using multiple stable isotope techniques, I characterise the diet of foraging green turtles and describe patterns of variation within this population. This work suggests the strongest impacts of climate change will likely be mediated through changes in food availability rather than direct effects of temperature on physiological rates.

KW - Sea turtle

KW - Climate change

KW - Dynamic Energy Budget

KW - Chelonia mydas

KW - Stable isotope analysis

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M3 - Doctoral Thesis

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Predicting the effects of a changing environment on green turtle (Chelonia mydas) energetics: a Dynamic Energy Budget approach

Abstract

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