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The effects of the three Gorges Dam's (TGD's) experimental impoundment on the phytoplankton community in the Xiangxi River, China
Bi, Yonghong (1); Zhu, Kongxiang (1); Hu, Zhengyu (1); Zhang, Lin (1); Yu, Boshi (1); Zhang, Qin (1); Hu, Z.(huzy@ihb.ac.cn)
2010
Source PublicationInternational Journal of Environmental Studies
ISSN0020-7233
Volume67Pages:207-221
AbstractThe experimental impoundment of the Three Gorges Dam (TGD) on phytoplankton community was conducted in 2008. Before the impoundment, the phytoplankton comprised various taxa including Bacillariophyta, Chlorophyta, Cryptophyta, Dinophyta and Cyanophyta. While Chlorophyta contributed considerable taxa, numerically, diatom constituted the main component. Cell density was 1.83~7.78 × 106 ind/L: biomass was 3.62~8.89 μg/L; total phosphorus (TP) and total nitrogen (TN) were 0.101~0.233 mg/L and 1.367~2.596 mg/L, respectively. During the impoundment, some species disappeared, leaving diatom dominant. Cell density and biomass decreased significantly (p < 0.05) and pH and TP decreased; but, dissolved oxygen (DO) and TN increased. Remarkable spatial (horizontal and vertical) (p < 0.05) as well as temporal variations were recorded in the distribution of phytoplankton. Temporal effects included changes in the phytoplankton community and nutrient concentration due to dilution and enrichment by the inputting water. © 2010 Taylor & Francis.
KeywordPhytoplankton Community Impoundment The Three Gorges Dam (Tgd) The Three
Department(1) State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Science, Wuhan 430072, China; (2) Graduate University of Chinese Academy of Science, Beijing 100049, China
Indexed ByEI
Language英语
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/14450
Collection藻类生物学及应用研究中心_期刊论文
Corresponding AuthorHu, Z.(huzy@ihb.ac.cn)
Recommended Citation
GB/T 7714
Bi, Yonghong ,Zhu, Kongxiang ,Hu, Zhengyu ,et al. The effects of the three Gorges Dam's (TGD's) experimental impoundment on the phytoplankton community in the Xiangxi River, China[J]. International Journal of Environmental Studies,2010,67:207-221.
APA Bi, Yonghong .,Zhu, Kongxiang .,Hu, Zhengyu .,Zhang, Lin .,Yu, Boshi .,...&Hu, Z..(2010).The effects of the three Gorges Dam's (TGD's) experimental impoundment on the phytoplankton community in the Xiangxi River, China.International Journal of Environmental Studies,67,207-221.
MLA Bi, Yonghong ,et al."The effects of the three Gorges Dam's (TGD's) experimental impoundment on the phytoplankton community in the Xiangxi River, China".International Journal of Environmental Studies 67(2010):207-221.
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