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学科主题: Marine & Freshwater Biology ; Oceanography
题名: Increasing temperature anomalies reduce coral growth in the Weizhou Island, northern South China Sea
作者: [Chen, Tianran ; Li, Shu ; Yu, Kefu ; Wang, Lirong ; Chen, Tegu] South China Sea Inst Oceanol, CAS, Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China ; [Zheng, Zhaoyong ; Chen, Tegu] South China Sea Branch, SOA, Guangzhou 510300, Guangdong, Peoples R China
通讯作者: chentianran@scsio.ac.cn
关键词: high-latitude ; Porites ; growth rate ; temperature anomalies ; climate changes ; Weizhou Island northern South China Sea
刊名: ESTUARINE COASTAL AND SHELF SCIENCE
发表日期: 2013
卷: 130, 页:121-126
部门归属: 海洋地质
资助者: We deeply thank the editors and five anonymous reviewers, whose detailed comments and suggestions significantly improved the paper. This work was funded by the National Basic Research Program (973) of China (2013CB956104 and 2010CB950101), the National Science Foundation of China (41106054 and 41106075) and the " Strategic Priority Research Program" of the Chinese Academy of Sciences (XDA05080300).
摘要: The ways in which high-latitude corals respond to ongoing climate warming and the increasing incidence of extreme warm- and cold-water events remains unclear, probably due to a lack of field studies, especially in the northern South China Sea (NSCS). In this study, temporal variation in the skeletal growth rate in massive Porites lutea corals collected from the Weizhou Island, NSCS, was examined over a 27-year period (from 1984 to 2010). The coral skeletal extension rates were determined by using X-ray photography, and compared to the Degree Heating Weeks (DHWs) index (0-16.7 degrees C-weeks) and the Sea Surface Temperature (SST) Anomalies (0-0.6 degrees C for + SST_anomaly, and -3.2-0 degrees C for -SST_anomaly). Historical extreme high and low temperature events were calculated to estimate warm- (DHW > 6 degrees C-weeks, +SST_anomaly > 0.2 degrees C) and cold- (-SST_anomaly < -1.6 degrees C) water stresses on reef-building corals. The average skeletal growth rate for all coral colonies was 6.3 mm year(-1), ranging from 3.1 to 9.9 mm year(-1). Coral skeletal growth consistently showed a downward trajectory, especially after the year of 1997. The mean value was 7.3 mm year(-1) from 1984 to 1996 and then declined by approximately 26% to 5.4 mm year(-1) from 1997 to 2010. We found that an increasing frequency and intensity in warm- and cold-stresses can explain the observed decline in growth rate of Porites colonies in the Weizhou Island. (c) 2013 Elsevier Ltd. All rights reserved.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000324609600013
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/11114
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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[Chen, Tianran; Li, Shu; Yu, Kefu; Wang, Lirong; Chen, Tegu] South China Sea Inst Oceanol, CAS, Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China; [Zheng, Zhaoyong; Chen, Tegu] South China Sea Branch, SOA, Guangzhou 510300, Guangdong, Peoples R China.Increasing temperature anomalies reduce coral growth in the Weizhou Island, northern South China Sea,ESTUARINE COASTAL AND SHELF SCIENCE,2013,130():121-126
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