Phytoplankton assemblage structure shaped by key environmental variables in the Pearl River Estuary, South China
Zhang, X; Zhang, JP; Huang, XP; Huang, LM; xphuang@scsio.ac.cn
2014
发表期刊JOURNAL OF OCEAN UNIVERSITY OF CHINA
ISSN1672-5182
卷号13期号:1页码:73-82
摘要Spatial distribution and temporal dynamics of phytoplankton community and their relationships with environmental factors were studied in the Pearl River Estuary (PRE), South China, in three seasons. Salinity was considered as the key environmental variable controlling horizontal distributions of phytoplankton community composition. A transition from dominance of freshwater diatoms (Aulacoseira granulata and A. granulata v. angustissima) to estuarine species (Skeletonema costatum and Pseudonitzschia delicatissima) was observed in the high flow season (summer) along the estuary gradient; in the low flow season (spring), the inner estuary was relatively homogeneous and some typical estuarine species could be found near the river mouth. In the normal flow season (autumn), a potentially toxic bluegreen species, Microcystis spp. was predominant in the middle reaches of the estuary, which should be seeded from upstream and transported downstream by river discharges. Phytoplankton abundance was negatively correlated with suspended solid content and nutrient concentration in the PRE, suggesting that turbidity and nutrient availability were the crucial factors regulating the algal biomass. Phytoplankton abundance in the outer estuary was enhanced by increasing irradiance and continued to be enhanced until phosphorus-limitation.
部门归属[Zhang Xia ; Zhang Jingping ; Huang Xiaoping ; Huang Liangmin] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Guangdong, Peoples R China
关键词The Pearl River Estuary Phytoplankton Ecological Associations Turbidity Salinity Gradient
学科领域Oceanography
资助者National Natural Sciences Foundation of China [31000185, 41076069]; Strategic Priority Research Program of the Chinese Academy of Sciences [XDA11020205] ; National Natural Sciences Foundation of China [31000185, 41076069]; Strategic Priority Research Program of the Chinese Academy of Sciences [XDA11020205] ; National Natural Sciences Foundation of China [31000185, 41076069]; Strategic Priority Research Program of the Chinese Academy of Sciences [XDA11020205] ; National Natural Sciences Foundation of China [31000185, 41076069]; Strategic Priority Research Program of the Chinese Academy of Sciences [XDA11020205]
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收录类别sci
资助项目LMB
资助者National Natural Sciences Foundation of China [31000185, 41076069]; Strategic Priority Research Program of the Chinese Academy of Sciences [XDA11020205] ; National Natural Sciences Foundation of China [31000185, 41076069]; Strategic Priority Research Program of the Chinese Academy of Sciences [XDA11020205] ; National Natural Sciences Foundation of China [31000185, 41076069]; Strategic Priority Research Program of the Chinese Academy of Sciences [XDA11020205] ; National Natural Sciences Foundation of China [31000185, 41076069]; Strategic Priority Research Program of the Chinese Academy of Sciences [XDA11020205]
WOS记录号WOS:000330312000009
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文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/10475
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, X,Zhang, JP,Huang, XP,et al. Phytoplankton assemblage structure shaped by key environmental variables in the Pearl River Estuary, South China[J]. JOURNAL OF OCEAN UNIVERSITY OF CHINA,2014,13(1):73-82.
APA Zhang, X,Zhang, JP,Huang, XP,Huang, LM,&xphuang@scsio.ac.cn.(2014).Phytoplankton assemblage structure shaped by key environmental variables in the Pearl River Estuary, South China.JOURNAL OF OCEAN UNIVERSITY OF CHINA,13(1),73-82.
MLA Zhang, X,et al."Phytoplankton assemblage structure shaped by key environmental variables in the Pearl River Estuary, South China".JOURNAL OF OCEAN UNIVERSITY OF CHINA 13.1(2014):73-82.
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