| Chemometric study of spatial variations of environmental and ecological characteristics in the Zhujiang River (Pearl River) Estuary and adjacent waters |
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| 作者姓名： | SONG Xingyu HUANG Liangmin ZHANG Jianlin YIN Kedong LIU Sheng TAN Yehui YIN Jianqiang |
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| 作者单位： | [1]Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanography, Chinese Academy of Sciences, Guangzhou 510301, China [2]State Key Laboratory of Oceanography in the Tropics, Guangzhou 510301, China [3]Australian Rivers Institute, Griffith University, Brisbane 4111, Australia |
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| 基金项目： | The Knowledge Innovation Project of Chinese Academy of Sciences under contract Nos KZCX2-YW-Q07, KZCX2-YW-T001, KZCX2-YW-213 and SQ200805; the National Natural Science Foundation of China under contract Nos U0633007, 40906057 and 40531006 |
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| 摘 要： | Chemometric approach based on principal component analysis (PCA) was utilized to examine the spatial variances of environmental and ecological characteristics in the Zhujiang River (Pearl River) Estuary and adjacent waters (ZREAW) in the South China Sea. The PCA result shows that the ZREAW can be divided into different zones according to the principal components and geographical locations of the study stations, and indicates that there are distinct regional variances on environmental features and the corresponding phytoplankton biomass and community structures among different areas. The spatial distribution of ecological features was implied to be influenced by various degrees of the different water resources, such as the Pearl River discharges, the coastal current and the oceanic water from the South China Sea. The variation of the biomass maximum zone and the complex impacts on the spatial distributions of phytoplankton biomass and production were also evaluated.
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| 关 键 词： | 化学计量学方法 环境特点 生态特征 邻近海域 珠江口 空间变化 浮游植物生物量 河口 |
| 收稿时间： | 29 June 2007 |
| 修稿时间： | 2011/5/12 0:00:00 |
Chemometric study of spatial variations of environmental and ecological characteristics in the Zhujiang River (Pearl River) Estuary and adjacent waters |
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| SONG Xingyu,HUANG Liangmin,ZHANG Jianlin,YIN Kedong,LIU Sheng,TAN Yehui,YIN Jianqiang.Chemometric study of spatial variations of environmental and ecological characteristics in the Zhujiang River (Pearl River) Estuary and adjacent waters[J].Acta Oceanologica Sinica,2011,30(4):60-74. |
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| Authors: | SONG Xingyu HUANG Liangmin ZHANG Jianlin YIN Kedong LIU Sheng TAN Yehui and YIN Jianqiang |
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| Institution: | 1.Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanography, Chinese Academy of Sciences, Guangzhou 510301, China;State Key Laboratory of Oceanography in the Tropics, Guangzhou 510301, China2.State Key Laboratory of Oceanography in the Tropics, Guangzhou 510301, China;Australian Rivers Institute, Griffith University, Brisbane 4111, Australia |
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| Abstract: | Chemometric approach based on principal component analysis (PCA) was utilized to examine the spatial variances of environmental and ecological characteristics in the Zhujiang River (Pearl River) Estuary and adjacent waters (ZREAW) in the South China Sea. The PCA result shows that the ZREAW can be divided into different zones according to the principal components and geographical locations of the study stations, and indicates that there are distinct regional variances on environmental features and the corresponding phytoplankton biomass and community structures among different areas. The spatial distribution of ecological features was implied to be influenced by various degrees of the different water resources, such as the Pearl River discharges, the coastal current and the oceanic water from the South China Sea. The variation of the biomass maximum zone and the complex impacts on the spatial distributions of phytoplankton biomass and production were also evaluated. |
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| Keywords: | principal component analysis spatial variations environmental conditions ecological distribution phytoplankton Zhujiang River (Pearl River) Estuary |
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