Publikation: Differences in carbonate chemistry up-regulation of long-lived reef-building corals
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With climate projections questioning the future survival of stony corals and their dominance as tropical reef builders, it is critical to understand the adaptive capacity of corals to ongoing climate change. Biological mediation of the carbonate chemistry of the coral calcifying fluid is a fundamental component for assessing the response of corals to global threats. The Tara Pacific expedition (2016–2018) provided an opportunity to investigate calcification patterns in extant corals throughout the Pacific Ocean. Cores from colonies of the massive Porites and Diploastrea genera were collected from different environments to assess calcification parameters of long-lived reef-building corals. At the basin scale of the Pacific Ocean, we show that both genera systematically up-regulate their calcifying fluid pH and dissolved inorganic carbon to achieve efficient skeletal precipitation. However, while Porites corals increase the aragonite saturation state of the calcifying fluid (Ωcf) at higher temperatures to enhance their calcification capacity, Diploastrea show a steady homeostatic Ωcf across the Pacific temperature gradient. Thus, the extent to which Diploastrea responds to ocean warming and/or acidification is unclear, and it deserves further attention whether this is beneficial or detrimental to future survival of this coral genus.
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CANESI, Marine, Eric DOUVILLE, Paolo MONTAGNA, Marco TAVIANI, Jaroslaw STOLARSKI, Louise BORDIER, Arnaud DAPOIGNY, Gninwoyo Eric Hermann COULIBALY, Anne-Catherine SIMON, Christian R. VOOLSTRA, 2023. Differences in carbonate chemistry up-regulation of long-lived reef-building corals. In: Scientific Reports. Springer Nature. 2023(13), 11589. eISSN 2045-2322. Available under: doi: 10.1038/s41598-023-37598-9BibTex
@article{Canesi2023Diffe-67418, year={2023}, doi={10.1038/s41598-023-37598-9}, title={Differences in carbonate chemistry up-regulation of long-lived reef-building corals}, number={13}, journal={Scientific Reports}, author={Canesi, Marine and Douville, Eric and Montagna, Paolo and Taviani, Marco and Stolarski, Jaroslaw and Bordier, Louise and Dapoigny, Arnaud and Coulibaly, Gninwoyo Eric Hermann and Simon, Anne-Catherine and Voolstra, Christian R.}, note={Article Number: 11589} }
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