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Site fidelity and behaviour of spinner dolphins (Stenella longirostris) in Moon Reef, Fiji Islands: implications for conservation

Published online by Cambridge University Press:  11 May 2012

Nardi Cribb ,
Cara Miller  and
Laurent Seuront
Nardi Cribb*
Affiliation:
School of Biological Sciences, Flinders University, Box 2100, Adelaide, 2001, SA, Australia
Cara Miller
Affiliation:
School of Biological Sciences, Flinders University, Box 2100, Adelaide, 2001, SA, Australia Faculty of Science, Technology and the Environment, University of the South Pacific, Laucala campus, Fiji Islands The Whale and Dolphin Conservation Society International, Chippenham, UK
Laurent Seuront
Affiliation:
School of Biological Sciences, Flinders University, Box 2100, Adelaide, 2001, SA, Australia South Australian Research and Development Institute, Aquatic Science, West Beach SA 5022, Australia Centre National de la Recherche Scientifique, Laboratoire d'Océanologie et de Géosciences, UMR LOG 8187, Université des Sciences et Technologies de Lille, Station Marine, 62930 Wimereux, France
*
Correspondence should be addressed to: N. Cribb, School of Biological Sciences, Flinders University, Box 2100, Adelaide, 2001, SA, Australia email: [email protected]
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Abstract

Spinner dolphins (Stenella longirostris) were observed to frequent a tropical reef complex off the coast of Fiji on a regular basis. Boats from surrounding tourist destinations visit this reef on a nearly daily basis to observe the dolphins and partake in various tourist activities, such as snorkelling. The aim of the study was to determine whether this reef is a resting habitat for this population. Specifically, we objectively and quantitatively investigated whether spinner dolphins were primarily resting whilst present within the reef and also assessed whether the same individuals revisited the reef over time. Photo-identification techniques and boat based observations were conducted over two study periods (September 2009 and May 2010). Fifty-six recognizable individuals were identified during this period, with 70% resighted on 2 or more occasions. Resting was identified as the most consistent behaviour dolphins engaged in whilst present inside the reef. These preliminary results provide vital information which can be used as a tool in the development and implementation of conservation initiatives as well as providing a basis for future studies investigating the habitat characteristics of this reef.

Keywords

spinner dolphinFiji Islandssite fidelitybehaviourconservationtourism
Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 92 , Issue 8: Marine Mammals , December 2012 , pp. 1793 - 1798
Copyright
Copyright © Marine Biological Association of the United Kingdom 2012

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