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学科主题: Environmental Sciences & Ecology ; Marine & Freshwater Biology
题名: Benthic community changes following the 2010 Hainan flood: Implications for reef resilience
作者: Huang, H ; Yang, Y ; Li, XB ; Yang, JH ; Lian, JS ; Lei, XM ; Wang, DR ; Zhang, J
通讯作者: lixiubao@scsio.ac.cn
关键词: Coral reef ; flood ; coral mortality ; macroalgae ; reef resilience ; Hainan Island
刊名: MARINE BIOLOGY RESEARCH
发表日期: 2014
卷: 10, 期:6, 页:601-611
收录类别: sci
部门归属: [Huang, Hui ; Li, Xiubao ; Yang, Jianhui ; Lian, Jiansheng ; Lei, Xinming] Chinese Acad Sci, South China Sea Inst Oceanol, CAS Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Guangdong, Peoples R China ; [Yang, Yi ; Wang, Daoru] Hainan Prov Marine Dev Plan & Design Res Inst, Haikou, Peoples R China ; [Li, Xiubao] E China Normal Univ, State Key Lab Estuarine & Coastal Res, Shanghai 200062, Peoples R China ; [Huang, Hui ; Zhang, Jing] Chinese Acad Sci, Trop Marine Biol Res Stn Hainan, Sanya, Peoples R China
项目归属: LMB
资助者: National Natural Science Foundation of China [40830850, 41106141, 40931160 437, 41106107]; National Key Technology RD Program [2009BAB44B01]; Open Research Fund of the State Key Laboratory of Estuarine and Coastal Research [SKLEC-KF201307]; Ocean Public Welfare Scientific Research Project [201005012-6, 201105012-2]
摘要: In the future, coastal coral reefs in Southeast Asia will be exposed to both climate change and more severe and frequent floods associated with heavy rainfall. Floodwaters have caused severe coral mortality in many near-shore coral reefs throughout the world. However, previous studies have largely ignored the effects of floodwaters on macroalgae and calcified algae and the indirect effects on benthic community interactions following flood events. In October 2010, heavy rainfall of more than 1600 mm in 9 days caused the largest flood on record in eastern Hainan Island. Long-term video transects indicate that the floodwater was responsible for severe benthic community mortality in Wenchang, northeast Hainan Island. Mean live coral cover decreased from 15.2% to 9.8% and showed strongest degradation at stations proximal to areas with a high density of aquaculture ponds (i.e. stations 3S-4S decreasing from 15.0% to 0.8%). Branching corals (Acropora and Pocillopora damicornis) were the most sensitive, while massive corals (e.g. Porites, Galaxea, Platygyra and Favia) were most tolerant of floodwaters. Calcified algae were almost completely removed at all stations; coverage decreased from 28.1% to 1.7%, while macroalgae were not influenced by floodwaters. Thus, remnant coral communities that survived the flooding in Wenchang are likely to be subject to increased competition with macroalgae and benefit less from calcified algae promoting juvenile coral recruitment.
原文出处: 查看原文
WOS记录号: WOS:000332060600005
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10422
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Huang, H; Yang, Y; Li, XB; Yang, JH; Lian, JS; Lei, XM; Wang, DR; Zhang, J.Benthic community changes following the 2010 Hainan flood: Implications for reef resilience,MARINE BIOLOGY RESEARCH,2014,10(6):601-611
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