Publikation: Coral-associated Symbiodiniaceae dynamics during the 2016 mass bleaching event in New Caledonia
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The ecological success of shallow water corals hinges on their association with photosynthetic Symbiodiniaceae algae. This is affected by environmental drivers among which sea temperature is pivotal. In 2016, a prolonged heat wave challenged New Caledonia reefs triggering a severe bleaching event. Here, we tracked 72 coral colonies comprising two species of Pocillopora and Porites from a cross-shelf gradient during the event and subsequent recovery period. Symbiodiniaceae association over time was assessed using the ITS2 marker. Bleaching prevalence and photosynthetic efficiency showed that 83% of Pocillopora and 29% of Porites colonies were affected, with corals from a mid-shelf site having been most impacted. The majority of tracked colonies recovered by December 2016, with a recorded 33% mortality of Pocillopora, while Porites showed higher resilience. Consistent with previous studies, genotyping data suggest stable, species- and site-specific associations between corals and Symbiodiniaceae.
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TERRANEO, Tullia I., Fanny HOULBREQUE, Roberto ARRIGONI, Benedetta LONGARI, Michael L. BERUMEN, Benjamin C. C. HUME, Sylvie FIAT, Riccardo RODOLFO-METALPA, Claude E. PAYRI, Christian R. VOOLSTRA, 2024. Coral-associated Symbiodiniaceae dynamics during the 2016 mass bleaching event in New Caledonia. In: Coral Reefs. Springer. 2024, 43(4), S. 1127-1132. ISSN 0722-4028. eISSN 1432-0975. Verfügbar unter: doi: 10.1007/s00338-024-02510-yBibTex
@article{Terraneo2024-08Coral-70079, year={2024}, doi={10.1007/s00338-024-02510-y}, title={Coral-associated Symbiodiniaceae dynamics during the 2016 mass bleaching event in New Caledonia}, number={4}, volume={43}, issn={0722-4028}, journal={Coral Reefs}, pages={1127--1132}, author={Terraneo, Tullia I. and Houlbreque, Fanny and Arrigoni, Roberto and Longari, Benedetta and Berumen, Michael L. and Hume, Benjamin C. C. and Fiat, Sylvie and Rodolfo-Metalpa, Riccardo and Payri, Claude E. and Voolstra, Christian R.} }
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