Phytoplankton community structure shaped by key environmental factors in fish and shellfish farms in Daya Bay, South China
[Zhang, Xia; Huang, Xiaoping; Huang, Liangmin] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Guangdong, Peoples R China; xphuang@scsio.ac.cn
2013
发表期刊AQUATIC ECOSYSTEM HEALTH & MANAGEMENT
ISSN1463-4988
卷号16期号:3页码:300-310
摘要In coastal cultural regions of Dapeng Cove (southwest of Daya Bay), the composition, abundance and community structure of phytoplankton, as well as physicochemical variables, were investigated to identify factors driving seasonal changes. During summer, local phytoplankton biomass was low, probably because of nutrient depletion. In September, sudden heavy rainfalls resulted in a substantial increase in nitrogen. As a result, a disturbance-tolerant diatom, Skeletonema costatum, increased rapidly. Organic matter associated with freshwater runoff, fishery activities and settled algal cells increased consumption of dissolved oxygen (DO), especially in fish farms. It was suggested that heavy rainfall events was probably a trigger of low oxygen level and exerted a major effect on nutrient cycling and the phytoplankton community. In winter, phytoplankton community was characterized by dinoflagellates, which are adapted to well-mixed conditions. Spring blooms composed of Pseudonitzschia delicatissima and P. pungens were triggered by warm temperature and increasing light intensity. Excessive ammonium levels in March probably contributed to bloom initiation. Dissolved inorganic nitrogen (DIN) and total phosphorus (TP) concentrations in fish farms were significantly higher than that in bivalve cultures and control sites although phytoplankton abundance in fish farms was not. We suggest that intense fish culture farming exerts more pressure on the ambient environment than shellfish farming.
部门归属LMB
关键词Aquaculture Natural Forces Phytoplankton Seasonal Dynamics Pcr Analysis
学科领域Ecology ; Environmental Sciences ; Marine & Freshwater Biology ; Water Resources
资助者This study was supported by the National Natural Science Foundation of China (No. 31000185, 41076069), the project of knowledge innovation program of the South China Sea Institute of Oceanology (No. LYQY 200706) and Key Science and Technology Project of Guangdong Province (No. 2007A03260004, A3050301). The authors thank Y. H. Peng, Z. H. Zhu, L. Y. Xiao, J. L. Zhang and Z. Z. Xu for help in field and laboratory work. ; This study was supported by the National Natural Science Foundation of China (No. 31000185, 41076069), the project of knowledge innovation program of the South China Sea Institute of Oceanology (No. LYQY 200706) and Key Science and Technology Project of Guangdong Province (No. 2007A03260004, A3050301). The authors thank Y. H. Peng, Z. H. Zhu, L. Y. Xiao, J. L. Zhang and Z. Z. Xu for help in field and laboratory work. ; This study was supported by the National Natural Science Foundation of China (No. 31000185, 41076069), the project of knowledge innovation program of the South China Sea Institute of Oceanology (No. LYQY 200706) and Key Science and Technology Project of Guangdong Province (No. 2007A03260004, A3050301). The authors thank Y. H. Peng, Z. H. Zhu, L. Y. Xiao, J. L. Zhang and Z. Z. Xu for help in field and laboratory work. ; This study was supported by the National Natural Science Foundation of China (No. 31000185, 41076069), the project of knowledge innovation program of the South China Sea Institute of Oceanology (No. LYQY 200706) and Key Science and Technology Project of Guangdong Province (No. 2007A03260004, A3050301). The authors thank Y. H. Peng, Z. H. Zhu, L. Y. Xiao, J. L. Zhang and Z. Z. Xu for help in field and laboratory work.
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语种英语
资助者This study was supported by the National Natural Science Foundation of China (No. 31000185, 41076069), the project of knowledge innovation program of the South China Sea Institute of Oceanology (No. LYQY 200706) and Key Science and Technology Project of Guangdong Province (No. 2007A03260004, A3050301). The authors thank Y. H. Peng, Z. H. Zhu, L. Y. Xiao, J. L. Zhang and Z. Z. Xu for help in field and laboratory work. ; This study was supported by the National Natural Science Foundation of China (No. 31000185, 41076069), the project of knowledge innovation program of the South China Sea Institute of Oceanology (No. LYQY 200706) and Key Science and Technology Project of Guangdong Province (No. 2007A03260004, A3050301). The authors thank Y. H. Peng, Z. H. Zhu, L. Y. Xiao, J. L. Zhang and Z. Z. Xu for help in field and laboratory work. ; This study was supported by the National Natural Science Foundation of China (No. 31000185, 41076069), the project of knowledge innovation program of the South China Sea Institute of Oceanology (No. LYQY 200706) and Key Science and Technology Project of Guangdong Province (No. 2007A03260004, A3050301). The authors thank Y. H. Peng, Z. H. Zhu, L. Y. Xiao, J. L. Zhang and Z. Z. Xu for help in field and laboratory work. ; This study was supported by the National Natural Science Foundation of China (No. 31000185, 41076069), the project of knowledge innovation program of the South China Sea Institute of Oceanology (No. LYQY 200706) and Key Science and Technology Project of Guangdong Province (No. 2007A03260004, A3050301). The authors thank Y. H. Peng, Z. H. Zhu, L. Y. Xiao, J. L. Zhang and Z. Z. Xu for help in field and laboratory work.
WOS记录号WOS:000328473600008
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/11009
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xphuang@scsio.ac.cn
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[Zhang, Xia,Huang, Xiaoping,Huang, Liangmin] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Guangdong, Peoples R China,et al. Phytoplankton community structure shaped by key environmental factors in fish and shellfish farms in Daya Bay, South China[J]. AQUATIC ECOSYSTEM HEALTH & MANAGEMENT,2013,16(3):300-310.
APA [Zhang, Xia,Huang, Xiaoping,Huang, Liangmin] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Guangdong, Peoples R China,&xphuang@scsio.ac.cn.(2013).Phytoplankton community structure shaped by key environmental factors in fish and shellfish farms in Daya Bay, South China.AQUATIC ECOSYSTEM HEALTH & MANAGEMENT,16(3),300-310.
MLA [Zhang, Xia,et al."Phytoplankton community structure shaped by key environmental factors in fish and shellfish farms in Daya Bay, South China".AQUATIC ECOSYSTEM HEALTH & MANAGEMENT 16.3(2013):300-310.
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