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Coral community changes in response to a high sedimentation event: A case study in southern Hainan Island
[Li XiuBao; Huang Hui; Lian JianSheng; Yang JianHui; Ye Cheng; Chen YongQiang; Huang LiangMin] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Marine Bioresources Sustainable Utilizat, Guangzhou 510301, Guangdong, Peoples R China; Huang Hui] Chinese Acad Sci, Trop Marine Biol Res Stn Hainan, Sanya 572000, Peoples R China; coralreef@scsio.ac.cn
2013
Source PublicationCHINESE SCIENCE BULLETIN
ISSN1001-6538
Volume58Issue:9Pages:1028-1037
AbstractA high sedimentation event caused by dredging and dumping of sediment was recorded on Xiaodonghai Reef in Yulin Bay, southern Hainan Island, China. Significantly high sedimentation and constant light shading were observed during the sediment dumping event (SD Event). Using long-term video transects, we quantified coral community changes and responses to the SD Event between 2008 and 2010. The SD Event caused severe coral mortality on Xiaodonghai Reef at a depth of 6 m, while corals at 3 m were less affected. Total live coral cover at 6 m decreased from 54.3% to 14.8%, and Diploastrea heliopora replaced Galaxea fascicularis as the dominant coral species at 6 and 9 m. The density of juvenile corals also declined after the SD Event, especially for the genera Galaxea and Platygyra. However, the density of juvenile Porites and Pocillopora spp. slightly increased. Monitoring for 11 months after the SD Event indicated no recovery of coral communities on Xiaodonghai Reef. Long-term video transect data also revealed that mean live coral cover dramatically declined, from 30.5% in 2008 to 9% in 2010, while the dominant corals in Yulin Bay shifted to more tolerant coral species, such as massive Porites spp. and D. heliopora. The rapid coral community degradation in Yulin Bay between 2008 and 2010 was probably caused by high sediment deposition resulting from intensive dredging and land-clearing activities. These results highlight the necessity for an integrated watershed management to control sediment deposition on near-shore coral reefs.
DepartmentLMB
KeywordCoral Community Composition Dredging Sediment Accumulation Rate Recovery Hainan Island Juvenile Coral
Subject AreaMultidisciplinary Sciences
Funding OrganizationThe authors thank the editors and the two anonymous reviewers for their valuable comments on the manuscript. This work was supported by Key Topics in Innovation Engineering of the Chinese Academy of Sciences (KZCX2-YW-227), the National Natural Science Foundation of China (40830850, 41106141 and 40931160437), the National Key Technology R&D Program (2009BAB44B01) and the Ocean Public Welfare Scientific Research Project (201005012-6). ; The authors thank the editors and the two anonymous reviewers for their valuable comments on the manuscript. This work was supported by Key Topics in Innovation Engineering of the Chinese Academy of Sciences (KZCX2-YW-227), the National Natural Science Foundation of China (40830850, 41106141 and 40931160437), the National Key Technology R&D Program (2009BAB44B01) and the Ocean Public Welfare Scientific Research Project (201005012-6). ; The authors thank the editors and the two anonymous reviewers for their valuable comments on the manuscript. This work was supported by Key Topics in Innovation Engineering of the Chinese Academy of Sciences (KZCX2-YW-227), the National Natural Science Foundation of China (40830850, 41106141 and 40931160437), the National Key Technology R&D Program (2009BAB44B01) and the Ocean Public Welfare Scientific Research Project (201005012-6). ; The authors thank the editors and the two anonymous reviewers for their valuable comments on the manuscript. This work was supported by Key Topics in Innovation Engineering of the Chinese Academy of Sciences (KZCX2-YW-227), the National Natural Science Foundation of China (40830850, 41106141 and 40931160437), the National Key Technology R&D Program (2009BAB44B01) and the Ocean Public Welfare Scientific Research Project (201005012-6).
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Language英语
Funding OrganizationThe authors thank the editors and the two anonymous reviewers for their valuable comments on the manuscript. This work was supported by Key Topics in Innovation Engineering of the Chinese Academy of Sciences (KZCX2-YW-227), the National Natural Science Foundation of China (40830850, 41106141 and 40931160437), the National Key Technology R&D Program (2009BAB44B01) and the Ocean Public Welfare Scientific Research Project (201005012-6). ; The authors thank the editors and the two anonymous reviewers for their valuable comments on the manuscript. This work was supported by Key Topics in Innovation Engineering of the Chinese Academy of Sciences (KZCX2-YW-227), the National Natural Science Foundation of China (40830850, 41106141 and 40931160437), the National Key Technology R&D Program (2009BAB44B01) and the Ocean Public Welfare Scientific Research Project (201005012-6). ; The authors thank the editors and the two anonymous reviewers for their valuable comments on the manuscript. This work was supported by Key Topics in Innovation Engineering of the Chinese Academy of Sciences (KZCX2-YW-227), the National Natural Science Foundation of China (40830850, 41106141 and 40931160437), the National Key Technology R&D Program (2009BAB44B01) and the Ocean Public Welfare Scientific Research Project (201005012-6). ; The authors thank the editors and the two anonymous reviewers for their valuable comments on the manuscript. This work was supported by Key Topics in Innovation Engineering of the Chinese Academy of Sciences (KZCX2-YW-227), the National Natural Science Foundation of China (40830850, 41106141 and 40931160437), the National Key Technology R&D Program (2009BAB44B01) and the Ocean Public Welfare Scientific Research Project (201005012-6).
WOS IDWOS:000316219500011
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/11062
Collection中科院海洋生物资源可持续利用重点实验室
Corresponding Authorcoralreef@scsio.ac.cn
Recommended Citation
GB/T 7714
[Li XiuBao,Huang Hui,Lian JianSheng,et al. Coral community changes in response to a high sedimentation event: A case study in southern Hainan Island[J]. CHINESE SCIENCE BULLETIN,2013,58(9):1028-1037.
APA [Li XiuBao.,Huang Hui.,Lian JianSheng.,Yang JianHui.,Ye Cheng.,...&coralreef@scsio.ac.cn.(2013).Coral community changes in response to a high sedimentation event: A case study in southern Hainan Island.CHINESE SCIENCE BULLETIN,58(9),1028-1037.
MLA [Li XiuBao,et al."Coral community changes in response to a high sedimentation event: A case study in southern Hainan Island".CHINESE SCIENCE BULLETIN 58.9(2013):1028-1037.
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