气候变化领域集成服务门户(CCPortal): Global declines in coral reef calcium carbonate production under ocean acidification and warming

CCPortal

DOI	10.1073/pnas.2015265118
	Global declines in coral reef calcium carbonate production under ocean acidification and warming
	Cornwall C.E.; Comeau S.; Kornder N.A.; Perry C.T.; van Hooidonk R.; DeCarlo T.M.; Pratchett M.S.; Anderson K.D.; Browne N.; Carpenter R.; Diaz-Pulido G.; D’Olivo J.P.; Doo S.S.; Figueiredo J.; Fortunato S.A.V.; Kennedy E.; Lantz C.A.; McCulloch M.T.; González-Rivero M.; Schoepf V.; Smithers S.G.; Lowe R.J.
发表日期	2021
ISSN	0027-8424
卷号	118 期号:21
英文摘要	Ocean warming and acidification threaten the future growth of coral reefs. This is because the calcifying coral reef taxa that construct the calcium carbonate frameworks and cement the reef together are highly sensitive to ocean warming and acidification. However, the global-scale effects of ocean warming and acidification on rates of coral reef net carbonate production remain poorly constrained despite a wealth of studies assessing their effects on the calcification of individual organisms. Here, we present global estimates of projected future changes in coral reef net carbonate production under ocean warming and acidification. We apply a meta-analysis of responses of coral reef taxa calcification and bioerosion rates to predicted changes in coral cover driven by climate change to estimate the net carbonate production rates of 183 reefs worldwide by 2050 and 2100. We forecast mean global reef net carbonate production under representative concentration pathways (RCP) 2.6, 4.5, and 8.5 will decline by 76, 149, and 156%, respectively, by 2100. While 63% of reefs are projected to continue to accrete by 2100 under RCP2.6, 94% will be eroding by 2050 under RCP8.5, and no reefs will continue to accrete at rates matching projected sea level rise under RCP4.5 or 8.5 by 2100. Projected reduced coral cover due to bleaching events predominately drives these declines rather than the direct physiological impacts of ocean warming and acidification on calcification or bioerosion. Presently degraded reefs were also more sensitive in our analysis. These findings highlight the low likelihood that the world’s coral reefs will maintain their functional roles without near-term stabilization of atmospheric CO2 emissions. © 2021 National Academy of Sciences. All rights reserved.
英文关键词	calcification; Carbonate production; climate change; corals
语种	英语
scopus关键词	calcium carbonate; acidification; Article; bleaching; calcification; climate change; coral reef; coralline alga; environmental change; environmental impact assessment; fish; nonhuman; parrot fish; pH; sea; sea level; sea urchin; sediment; temperature; warming
来源期刊	Proceedings of the National Academy of Sciences of the United States of America
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/238562
作者单位	School of Biological Sciences, Victoria University of Wellington, Kelburn, Wellington, 6140, New Zealand; Oceans Graduate School and Oceans Institute, University of Western Australia, Crawley, WA 6009, Australia; Australian Research Council Centre of Excellence for Coral Reef Studies, Crawley, WA 6009, Australia; Laboratoire d’Océanographie de Villefranche, French National Centre for Scientific Research National Institute for Earth Sciences and Astronomy, Sorbonne Université, Villefranche-sur-mer, F–06230, France; Department of Freshwater and Marine Ecology, Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, 1090 GE, Netherlands; Halmos College of Arts and Sciences, Nova Southeastern University, Nova Southeastern University, Dania Beach, FL 33004, United States; Geography, College of Life and Environmental Sciences, University of Exeter, Exeter, EX4 4RJ, United Kingdom; Cooperative Institute for Marine and Atmospheric Studies, Rosenstiel School of Marine and Atmosphe...
推荐引用方式 GB/T 7714	Cornwall C.E.,Comeau S.,Kornder N.A.,et al. Global declines in coral reef calcium carbonate production under ocean acidification and warming[J],2021,118(21).
APA	Cornwall C.E..,Comeau S..,Kornder N.A..,Perry C.T..,van Hooidonk R..,...&Lowe R.J..(2021).Global declines in coral reef calcium carbonate production under ocean acidification and warming.Proceedings of the National Academy of Sciences of the United States of America,118(21).
MLA	Cornwall C.E.,et al."Global declines in coral reef calcium carbonate production under ocean acidification and warming".Proceedings of the National Academy of Sciences of the United States of America 118.21(2021).