Curnick, D;
Carlisle, A;
Gollock, M;
Schallert, R;
Hussey, N;
(2019)
Evidence for dynamic resource partitioning between two sympatric reef shark species within the British Indian Ocean Territory.
Journal of Fish Biology
, 94
(4)
pp. 680-685.
10.1111/jfb.13938.
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Abstract
Stable isotope analyses (δ13C, δ15N and δ34S) of multiple tissues (fin, muscle, red blood cells and plasma), revealed ontogenetic shifts in resource use by grey reef sharks Carcharhinus amblyrhynchos and resource partitioning with silvertip sharks Carcharhinus albimarginatus within the British Indian Ocean Territory marine protected area (MPA). Resource partitioning varied temporally, with C. albimarginatus feeding on more pelagic prey during October to January, potentially attributable to an influx of pelagic prey from outside the MPA at that time. Reef sharks may therefore be impacted by processes outside MPAs, even if the sharks do not leave themselves.
Type: | Article |
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Title: | Evidence for dynamic resource partitioning between two sympatric reef shark species within the British Indian Ocean Territory |
Open access status: | An open access version is available from UCL Discovery |
DOI: | 10.1111/jfb.13938 |
Publisher version: | hhttps://doi.org/10.1111/jfb.13938 |
Language: | English |
Additional information: | Copyright © 2019 The Authors. Journal of Fish Biology published by John Wiley & Sons Ltd on behalf of The Fisheries Society of the British Isles. This is an open access article under the terms of the Creative Commons Attribution NonCommercial License (http://creativecommons.org/licenses/by/4.0/), which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes. |
Keywords: | Resource partitioning, Reef shark, Stable isotope analysis, Sulphur, British Indian Ocean Territory |
UCL classification: | UCL UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences > Genetics, Evolution and Environment |
URI: | https://discovery.ucl.ac.uk/id/eprint/10068335 |
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