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<title lang=en>Natural spatial variability of algal endosymbiont density in the coral Acropora globiceps: a small-scale approach along environmental gradients around Moorea (French Polynesia)</title>
<creator>Ladrière, Ophélie</creator>
<creator>Penin, Lucie</creator>
<creator>Van Lierde, Elodie</creator>
<creator>Vidal-Dupiol, Jeremie</creator>
<creator>Kayal, Mohsen</creator>
<creator>Roberty, Stephane</creator>
<creator>Poulicek, Mathieu</creator>
<creator>Adjeroud, Mehdi</creator>
<contributor>Unit of Marine Ecology, Laboratory of Animal Ecology and Ecotoxicology ; Université de Liège</contributor>
<contributor>Centre de recherches insulaires et observatoire de l'environnement (CRIOBE) ; Université de Perpignan Via Domitia (UPVD) - École pratique des hautes études (EPHE) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Laboratoire d'Excellence CORAIL (LabEX CORAIL) ; Institut de Recherche pour le Développement (IRD) - Université des Antilles et de la Guyane (UAG) - École des hautes études en sciences sociales (EHESS) - École pratique des hautes études (EPHE) - Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER) - Université de la Réunion (UR) - Université de la Polynésie Française (UPF) - Université de Nouvelle Calédonie - Institut d'écologie et environnement</contributor>
<contributor>Laboratoire d'Ecologie Marine (ECOMAR) ; Université de la Réunion (UR) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Ecologie et évolution des interactions (2EI) ; Université de Perpignan Via Domitia (UPVD) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Biologie et écologie tropicale et méditerranéenne (BETM) ; Université de Perpignan Via Domitia (UPVD) - École pratique des hautes études (EPHE) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Biocomplexité des écosystèmes coralliens de l'Indo-Pacifique (CoReUS2)</contributor>
<contributor>Fonds National de la Recherche Scientifique, Belgium La Polynésienne des Eaux Planète Urgence</contributor>
<description>International audience</description>
<source>ISSN: 0025-3154</source>
<source>EISSN: 1469-7769</source>
<source>Journal of the Marine Biological Association of the UK</source>
<publisher>Cambridge University Press (CUP)</publisher>
<identifier>hal-00905942</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00905942</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00905942/document</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00905942/file/Ladriereetal2014.pdf</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00905942</source>
<source>Journal of the Marine Biological Association of the UK, Cambridge University Press (CUP), 2013, pp.10.1017/S0025315413001252. 〈10.1017/S0025315413001252〉</source>
<identifier>DOI : 10.1017/S0025315413001252</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1017/S0025315413001252</relation>
<language>en</language>
<subject lang=en>Symbiodinium density</subject>
<subject lang=en>multi-scale variability</subject>
<subject lang=en>scleractinian corals</subject>
<subject lang=en>symbiosis</subject>
<subject lang=en>environmental gradients</subject>
<subject>[SDE.BE] Environmental Sciences/Biodiversity and Ecology</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>This study provides a baseline describing natural small scale variability of Symbiodinium density in the sentinel coral Acropora globiceps during the summer, under non-bleaching conditions. Spatial scales investigated range from the colony scale (1-10 cm, i.e. among branches of the same colony) to the reef scale (1-10 km, i.e. among stations distributed over several locations and depths), at Moorea Island, French Polynesia. The coral-Symbiodinium symbiosis is a key process in scleractinian coral physiology, and Symbiodinium density provides an easy-to-measure and inexpensive biomarker of this symbiosis health. Spatial variability of three major environmental factors: light intensity, sedimentation and water motion was also assessed to evaluate their potential link with Symbiodinium density. Density of Symbiodinium did not significantly differ within colonies or among colonies within a station. However, a marked depth gradient was observed, showing increasing density with increasing depth and decreasing light intensity. These observations provide an interesting reference for forthcoming comparisons with disturbed conditions, such as bleaching events.</description>
<date>2013</date>
</dc>
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