Linking benthic community structure to terrestrial runoff and upwelling in the coral reefs of northeastern Hainan Island
Li, Xiubao1; Wang, Daoru1; Huang, Hui1; Zhang, Jing1; Lian, Jiansheng1; Yuan, Xiangcheng1; Yang, Jianhui1; Zhang, Guoseng1; lixiubao@scsio.ac.cn
2015
发表期刊ESTUARINE COASTAL AND SHELF SCIENCE
卷号156期号:SI页码:92-102
摘要Near-shore coral reefs in northeastern Hainan Island are close to river mouths and aquaculture ponds, and also located at the center of the Qiongdong Upwelling (QDU). However, it is still unclear how terrestrial runoff and upwelling influence the community composition and spatial distribution of the benthos. During three cruises in 2010 and 2011 in Wenchang, northeastern Hainan Island, we determined a subset of environmental parameters in seawater (e.g. temperature, salinity, DO, dissolved inorganic nutrient (DIN), turbidity and transparency) and macroalgal delta N-15 and investigated the benthic communities (e.g. live coral cover, coral species richness, juvenile coral density, macroalgal cover and coverage of calcified algae) by video transect and visual census techniques at 10 stations (i.e. 1S-6D). The results showed that the QDU has influenced the reef waters in Wenchang. In 2011, the upwelling started in early May, peaked in July and disappeared in September and most upwelling events lasted for 1-2 weeks between May and July. The results also demonstrated that the reef water was nutrient enriched. Stations close to the river mouth and aquaculture ponds had higher levels of DIN and a higher percentage of ammonia in DIN, and there was consistently lower live coral cover, juvenile coral density and higher macroalgal cover. At some stations in this study, live coral cover was negatively correlated with macroalgal cover (i.e. 2S-6D). Live coral cover, species richness, and juvenile coral density all increased with the distance away from the river outlet and decreased with the rise of DIN. These results suggest that terrestrial runoff and upwelling stimulate nutrient enrichment, and that overgrowing macroalgae has an important influence on the coral communities in northeastern Hainan Island. (C) 2014 Elsevier Ltd. All rights reserved.
部门归属LMB
关键词Coral Community Terrestrial Runoff Upwelling Macroalgae Nutrient Enrichment Hainan Island
学科领域Marine & Freshwater Biology ; Oceanography
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文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/14840
专题中科院海洋生物资源可持续利用重点实验室
通讯作者lixiubao@scsio.ac.cn
作者单位1.[Li, Xiubao
2.Zhang, Jing
3.Zhang, Guoseng] E China Normal Univ, State Key Lab Estuarine & Coastal Res, Shanghai 200062, Peoples R China
4.[Li, Xiubao
5.Huang, Hui
6.Lian, Jiansheng
7.Yuan, Xiangcheng
8.Yang, Jianhui] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Guangdong, Peoples R China
9.[Wang, Daoru] Hainan Prov Marine Dev Plan & Design Res Inst, Haikou 570203, Peoples R China
10.[Huang, Hui] Chinese Acad Sci, Trop Marine Biol Res Stn Hainan, Sanya 572000, Peoples R China
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Li, Xiubao,Wang, Daoru,Huang, Hui,et al. Linking benthic community structure to terrestrial runoff and upwelling in the coral reefs of northeastern Hainan Island[J]. ESTUARINE COASTAL AND SHELF SCIENCE,2015,156(SI):92-102.
APA Li, Xiubao.,Wang, Daoru.,Huang, Hui.,Zhang, Jing.,Lian, Jiansheng.,...&lixiubao@scsio.ac.cn.(2015).Linking benthic community structure to terrestrial runoff and upwelling in the coral reefs of northeastern Hainan Island.ESTUARINE COASTAL AND SHELF SCIENCE,156(SI),92-102.
MLA Li, Xiubao,et al."Linking benthic community structure to terrestrial runoff and upwelling in the coral reefs of northeastern Hainan Island".ESTUARINE COASTAL AND SHELF SCIENCE 156.SI(2015):92-102.
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