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Influence of cascaded exploitation of small hydropower on phytoplankton in Xiangxi River.
Wu Nai-cheng; Tang Tao; Zhou Shu-chan; Fu Xiao-cheng; Jiang Wan-xiang; Li Feng-qing; Cai Qing-hua (qhcai@ihb.ac.cn); Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol and Biotechnol, Wuhan 430072, Peoples R China
2007
Source PublicationYingyong Shengtai Xuebao
ISSN1001-9332
Volume18Issue:5Pages:1091-1096
AbstractWith the five small hydropowers (SHPs) from up- to downstream of Xiangxi River as test objects, this paper studied the influence of SHPs cascaded exploitation on the phytoplankton in the river. The results showed that phytoplankton assemblages were dominated by diatoms, occupying 95. 54% of the total number of species. Achnanthes linearis, A. lanceolata var. elliptica and Cocconeis placentula were the most abundant species, with the relative abundance being 23. 96%, 18. 62% and 12. 48%, respectively. The average algal density at 25 sampling sites was 6. 29 x 10(5) ind center dot L-1, with the maximum of 1. 81 x 10(6) ind center dot L-1 and the minimum of 2. 35 x 10(5) ind center dot L-1. Two-way ANOVA indicated that water flow velocity was the main factor affecting the phytoplankton. The establishment of the cascaded SHPs on the river made the habitat of lower reach has a significant difference with the others, resulting in a dramatic change of many parameters including Margalef diversity index, species richness, generic richness, taxonomic composition, and the percentage of diatoms.
Indexed By其他
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/18261
Collection期刊论文
Corresponding AuthorWu Nai-cheng; Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol and Biotechnol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Wu Nai-cheng,Tang Tao,Zhou Shu-chan,et al. Influence of cascaded exploitation of small hydropower on phytoplankton in Xiangxi River.[J]. Yingyong Shengtai Xuebao,2007,18(5):1091-1096.
APA Wu Nai-cheng.,Tang Tao.,Zhou Shu-chan.,Fu Xiao-cheng.,Jiang Wan-xiang.,...&Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol and Biotechnol, Wuhan 430072, Peoples R China.(2007).Influence of cascaded exploitation of small hydropower on phytoplankton in Xiangxi River..Yingyong Shengtai Xuebao,18(5),1091-1096.
MLA Wu Nai-cheng,et al."Influence of cascaded exploitation of small hydropower on phytoplankton in Xiangxi River.".Yingyong Shengtai Xuebao 18.5(2007):1091-1096.
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