Effects of ocean acidification on metamorphosis: brooding and spawning larvae

Chua, Chia-Miin, Schupp, Peter, Leggat, William, and Baird, Andrew (2012) Effects of ocean acidification on metamorphosis: brooding and spawning larvae. In: Proceedings of the 12th International Coral Reef Symposium, pp. 1-5. From: 12th International Coral Reef Symposium, 9-13 July 2012, Cairns, QLD, Australia.

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Abstract

The effects of ocean acidification on metamorphosis were tested using the larvae of a spawning coral, Goniastrea retiformis and a brooding coral Leptastrea cf transversa in Guam. Four treatment levels of pCO2 were used, corresponding to current levels of atmospheric CO2 (approximately 380) and three values projected to occur later this century 600, 750 and 1000 ppm). Metamorphosis was not consistently affected by pCO2 in either species. These results suggest that the mode of reproduction does not affect the larval response to pCO2 and furthermore, there will be no direct effects of ocean acidification on settlement rates of reef corals, at least in the near future.

Item ID: 22382
Item Type: Conference Item (Refereed Research Paper - E1)
Keywords: acidification, climate change, coral reefs, dispersal
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ISBN: 978-0-9808572-5-2
Date Deposited: 24 Jul 2012 05:41
FoR Codes: 05 ENVIRONMENTAL SCIENCES > 0501 Ecological Applications > 050101 Ecological Impacts of Climate Change @ 20%
06 BIOLOGICAL SCIENCES > 0699 Other Biological Sciences > 069902 Global Change Biology @ 10%
06 BIOLOGICAL SCIENCES > 0602 Ecology > 060205 Marine and Estuarine Ecology (incl Marine Ichthyology) @ 70%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970106 Expanding Knowledge in the Biological Sciences @ 100%
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