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Auteur (up) Montano, S.; Fattorini, S.; Parravicini, V.; Berumen, M.L.; Galli, P.; Maggioni, D.; Arrigoni, R.; Seveso, D.; Strona, G. doi  openurl
  Titre Corals hosting symbiotic hydrozoans are less susceptible to predation and disease Type Article scientifique
  Année 2017 Publication Revue Abrégée Proc. R. Soc. B-Biol. Sci.  
  Volume 284 Numéro 1869 Pages 20172405  
  Mots-Clés diversity; climate change; climate-change; great-barrier-reef; coral reefs; association; scleractinian corals; cnidaria; 1st record; acanthaster; bleaching; co-evolution; drupella; Drupella; zanclea  
  Résumé In spite of growing evidence that climate change may dramatically affect networks of interacting species, whether- and to what extent-ecological interactions can mediate species' responses to disturbances is an open question. Here we show how a largely overseen association such as that between hydrozoans and scleractinian corals could be possibly associated with a reduction in coral susceptibility to ever-increasing predator and disease outbreaks. We examined 2455 scleractinian colonies (from both Maldivian and the Saudi Arabian coral reefs) searching for non-random patterns in the occurrence of hydrozoans on corals showing signs of different health conditions (i.e. bleaching, algal overgrowth, corallivory and different coral diseases). We show that, after accounting for geographical, ecological and co-evolutionary factors, signs of disease and corallivory are significantly lower in coral colonies hosting hydrozoans than in hydrozoan-free ones. This finding has important implications for our understanding of the ecology of coral reefs, and for their conservation in the current scenario of global change, because it suggests that symbiotic hydrozoans may play an active role in protecting their scleractinian hosts from stresses induced by warming water temperatures.  
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  Langue English Langue du Résumé Titre Original  
  Éditeur de collection Titre de collection Titre de collection Abrégé  
  Volume de collection Numéro de collection Edition  
  ISSN 0962-8452 ISBN Médium  
  Région Expédition Conférence  
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  Numéro d'Appel MARBEC @ alain.herve @ collection 2258  
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