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学科主题: Oceanography
题名: Relationship between phytoplankton composition and environmental factors in the surface waters of southern South China Sea in early summer of 2009
作者: Ke, ZX ; Tan, YH ; Huang, LM ; Zhang, JL ; Lian, SM
通讯作者: tanyh@scsio.ac.cn
关键词: phytoplankton ; species composition ; nutrient ; canonical correspondence analysis ; South China Sea
刊名: ACTA OCEANOLOGICA SINICA
发表日期: 2012
卷: 31, 期:3, 页:109-119
部门归属: [Ke Zhixin; Tan Yehui; Huang Liangmin; Zhang Jianlin; Lian Shumin] Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Marine Bioresources Sustainable Utilizat, Guangzhou 510301, Guangdong, Peoples R China
项目归属: LMB
摘要: Horizontal distributions of phytoplankton abundance, species composition as well as environmental factors were investigated in the surface waters of southern South China Sea (SCS) in early summer (May 16 to June 7) of 2009. In most areas of southern SCS, the concentrations of nitrogen and phosphorus were very low and DIN/DIP ratios usually were lower than the Redfield N/P Ratio of 16:1. Nitrogen nutrients were significant lower in the upwelling region off Vietnam. A total of 144 taxa of phytoplankton were identified in the study area. The dominant genera were Prorocentrum, Gonyaulax, Gyrodinium, Scrippsiella and Chaetoceros, respectively. Spatial patterns of early-summer phytoplankton abundance and species composition should be mainly controlled by the upwelling off Vietnam and the discharge of Mekong River in the southern SCS. Diatoms dominated in the nutritious Mekong River Estuary or upwelling region off Vietnam; while dinoflagellates dominated in the oligotrophic pelagic region. The canonical correspondence analysis (CCA) indicates that most of diatoms favor higher levels of silicate and phosphorus, as well as lower temperature; while most of dinoflagellates favor the lower silicate and phosphorous and higher temperature. Correlation and CCA results indicate that silicate, nitrate and temperature were the most relevant environmental factors to regulate the horizontal pattern of early-summer phytoplankton in the surface waters of southern SCS.
语种: 英语
WOS记录号: WOS:000305262200011
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/9908
Appears in Collections:中科院海洋生物资源可持续利用重点实验室_期刊论文

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Recommended Citation:
Ke, ZX; Tan, YH; Huang, LM; Zhang, JL; Lian, SM.Relationship between phytoplankton composition and environmental factors in the surface waters of southern South China Sea in early summer of 2009,ACTA OCEANOLOGICA SINICA,2012,31(3):109-119
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