Publikation:

Coral-associated Symbiodiniaceae dynamics during the 2016 mass bleaching event in New Caledonia

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Datum

2024

Autor:innen

Terraneo, Tullia I.
Houlbreque, Fanny
Arrigoni, Roberto
Longari, Benedetta
Berumen, Michael L.
Fiat, Sylvie
Rodolfo-Metalpa, Riccardo
Payri, Claude E.
et al.

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Published

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Coral Reefs. Springer. 2024, 43(4), S. 1127-1132. ISSN 0722-4028. eISSN 1432-0975. Verfügbar unter: doi: 10.1007/s00338-024-02510-y

Zusammenfassung

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.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
570 Biowissenschaften, Biologie

Schlagwörter

Symbiodiniaceae, Coral bleaching, Species- specificity, Next-generation sequencing, ITS2, SymPortal

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ISO 690TERRANEO, 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-y
BibTex
@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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