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| one publication added to basket [362727] |
More than local adaptation: high diversity of response to seawater acidification in seven coral species from the same assemblage in French Polynesia
Godefroid, M.; Arçuby, R.; Lacube, Y.; Espiau, B.; Dupont, S.; Gazeau, F.; Metian, M.; Hedouin, L. (2021). More than local adaptation: high diversity of response to seawater acidification in seven coral species from the same assemblage in French Polynesia. J. Mar. Biol. Ass. U.K. 101(4): 675-683. https://dx.doi.org/10.1017/S0025315421000618
In: Journal of the Marine Biological Association of the United Kingdom. Cambridge University Press/Marine Biological Association of the United Kingdom: Cambridge. ISSN 0025-3154; e-ISSN 1469-7769, meer
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| Trefwoorden |
Acropora cytherea (Dana, 1846) [WoRMS]; Acropora hyacinthus (Dana, 1846) [WoRMS]; Acropora pulchra (Brook, 1891) [WoRMS]; Leptastrea pruinosa Crossland, 1952 [WoRMS]; Montipora grisea Bernard, 1897 [WoRMS]; Pavona cactus (Forskål, 1775) [WoRMS]; Pocillopora verrucosa (Ellis & Solander, 1786) [WoRMS]
Marien/Kust |
| Author keywords |
Coral; French Polynesia; growth; ocean acidification; photo-physiology |
| Auteurs | | Top |
- Godefroid, M., meer
- Arçuby, R.
- Lacube, Y.
- Espiau, B.
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- Dupont, S., meer
- Gazeau, F., meer
- Metian, M.
- Hedouin, L.
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| Abstract |
Responses of corals to seawater acidification have been extensively studied. Sensitivity varies widely between species, highlighting the need to avoid extrapolation from one to another to get an accurate understanding of coral community responses. We tested the responses of seven coral species (Acropora cytherea, Acropora hyacinthus, Acropora pulchra, Leptastrea pruinosa, Montipora grisea, Pavona cactus, Pocillopora verrucosa) from the Mo'orea lagoon to a 48-day exposure to three pH scenarios (pH 7.95, 7.7 and 7.3). Tissue necrosis, mortality, growth rates, photophysiological performances and colour index were recorded. Few significant differences were noted between pH 7.95 and 7.7, but species-specific responses were observed at pH 7.3. While our data do not allow identification of the mechanisms behind this diversity in response between species inhabiting the same environment, it can exclude several hypotheses such as local adaptation, skeletal type, corallum morphology or calcification rate as sole factors determining coral sensitivity to pH. |
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