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Coral reefs in the South China Sea: Their response to and records on past environmental changes
Yu, KF; kefuyu@scsio.ac.cn
2012
发表期刊SCIENCE CHINA-EARTH SCIENCES
ISSN1674-7313
卷号55期号:8页码:1217-1229
摘要This paper reviews both the recent and longer-term (Holocene) ecological history of coral reefs in the South China Sea (SCS). (1) Local ecological monitoring since the 1960s shows that the coral reefs in the South China Sea have declined dramatically, reflecting the rapid decrease of living coral cover and the great loss of symbiotic zooxanthellae. Collectively, this has led to a significant decrease of annual CaCO3 production. Heavy anthropogenic activities and global warming are recognized as major triggers of the observed coral reef degradation. Observations show that the modern coral reefs in the SCS are a source of atmospheric CO2 in summer. (2) Coral reefs of the SCS have been widely used to reveal longer-term environmental variations, including Holocene high-resolution sea surface temperature (SST) and abrupt climate events, millennial-scale El Nio variations, millennial- and centennial-scale sea level oscillations, strong and cyclic storm activities, East Asian monsoon intensities, variation in seawater pH, and recent seawater pollution. (3) Coral reefs of the southern SCS have experienced repeated episodes of bleaching over the last 200 years due to high SST and intense El Nio events; coral reefs of the northern SCS suffered high levels of mortality during several abrupt winter cold-water bleaching events during the middle Holocene warm period. On average, recovery after the middle Holocene cold-bleaching took 20-30 years; recovery following other middle Holocene environmental stresses took approximately 10-20 years. Such findings have significantly contributed to the understanding of the present ecological pressures faced by the coral reefs in the SCS, the histories of Holocene climate/environment changes, and the long-term models of coral reef responses to various past environmental changes.
部门归属Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
关键词Coral Reefs Ecology Environment Climate Holocene South China Sea
学科领域Geosciences, Multidisciplinary
语种英语
资助项目海洋地质
WOS记录号WOS:000307255500001
引用统计
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/10323
专题中科院边缘海地质重点实验室
通讯作者kefuyu@scsio.ac.cn
推荐引用方式
GB/T 7714
Yu, KF,kefuyu@scsio.ac.cn. Coral reefs in the South China Sea: Their response to and records on past environmental changes[J]. SCIENCE CHINA-EARTH SCIENCES,2012,55(8):1217-1229.
APA Yu, KF,&kefuyu@scsio.ac.cn.(2012).Coral reefs in the South China Sea: Their response to and records on past environmental changes.SCIENCE CHINA-EARTH SCIENCES,55(8),1217-1229.
MLA Yu, KF,et al."Coral reefs in the South China Sea: Their response to and records on past environmental changes".SCIENCE CHINA-EARTH SCIENCES 55.8(2012):1217-1229.
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