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<title lang=en>Fast Growth May Impair Regeneration Capacity in the Branching Coral Acropora muricata</title>
<creator>Denis, Vianney</creator>
<creator>Guillaume, Mireille</creator>
<creator>Goutx, Madeleine</creator>
<creator>Phane De Palmas, Sté</creator>
<creator>Debreuil, Julien</creator>
<creator>Baker, Andrew C.</creator>
<creator>Boonstra, Roxane K.</creator>
<creator>Bruggemann, J. Henrich</creator>
<contributor>Laboratoire d'Ecologie Marine (ECOMAR) ; Université de la Réunion (UR) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Biologie des Organismes et Ecosystèmes Aquatiques (BOREA) ; Centre National de la Recherche Scientifique (CNRS) - Muséum National d'Histoire Naturelle (MNHN) - Université Pierre et Marie Curie - Paris 6 (UPMC)</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>Institut méditerranéen d'océanologie (MIO) ; Institut de Recherche pour le Développement (IRD) - Aix Marseille Université (AMU) - Institut de recherche pour le développement [IRD] : UMR235 - Université de Toulon (UTLN) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Division of Marine Biology and Fisheries ; Rosenstiel School of Marine and Atmospheric Science (RSMAS)</contributor>
<description>International audience</description>
<source>ISSN: 1932-6203</source>
<source>PLoS ONE</source>
<publisher>Public Library of Science</publisher>
<identifier>hal-01369712</identifier>
<identifier>http://hal.univ-reunion.fr/hal-01369712</identifier>
<identifier>http://hal.univ-reunion.fr/hal-01369712/document</identifier>
<identifier>http://hal.univ-reunion.fr/hal-01369712/file/journal.pone.0072618.PDF</identifier>
<source>http://hal.univ-reunion.fr/hal-01369712</source>
<source>PLoS ONE, Public Library of Science, 2013, 8 (8), pp.e72618. 〈10.1371/journal.pone.0072618〉</source>
<identifier>DOI : 10.1371/journal.pone.0072618</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1371/journal.pone.0072618</relation>
<language>en</language>
<subject>[SDV.BA.ZI] Life Sciences [q-bio]/Animal biology/Invertebrate Zoology</subject>
<subject>[SDE.BE] Environmental Sciences/Biodiversity and Ecology</subject>
<subject>[SDE.MCG] Environmental Sciences/Global Changes</subject>
<subject>[SDV.EE.ECO] Life Sciences [q-bio]/Ecology, environment/Ecosystems</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Regeneration of artificially induced lesions was monitored in nubbins of the branching coral Acropora muricata at two reef-flat sites representing contrasting environments at Réunion Island (21u079S, 55u329E). Growth of these injured nubbins was examined in parallel, and compared to controls. Biochemical compositions of the holobiont and the zooxanthellae density were determined at the onset of the experiment, and the photosynthetic efficiency (F v /F m) of zooxanthellae was monitored during the experiment. Acropora muricata rapidly regenerated small lesions, but regeneration rates significantly differed between sites. At the sheltered site characterized by high temperatures, temperature variations, and irradiance levels, regeneration took 192 days on average. At the exposed site, characterized by steadier temperatures and lower irradiation, nubbins demonstrated fast lesion repair (81 days), slower growth, lower zooxanthellae density, chlorophyll a concentration and lipid content than at the former site. A trade-off between growth and regeneration rates was evident here. High growth rates seem to impair regeneration capacity. We show that environmental conditions conducive to high zooxanthellae densities in corals are related to fast skeletal growth but also to reduced lesion regeneration rates. We hypothesize that a lowered regenerative capacity may be related to limited availability of energetic and cellular resources, consequences of coral holobionts operating at high levels of photosynthesis and associated growth.</description>
<date>2013</date>
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