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题名: Comparative analysis between species composition and DNA polymorphism of plankton community in the Three-Gorges Reservoir region
作者: Deng Wenna ; Yu Yuhe (yhyu@ihb.ac.cn) ; Feng Weisong ; Yan Qingyun
通讯作者: Deng Wenna ; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China, Peoples R China
刊名: Hupo Kexue
发表日期: 2007
卷: 19, 期:3, 页:333-339
收录类别: 其他
英文摘要: Recently, molecular ecology has been appearing to increasing attention, many kinds of molecular methods were applied in this field. In addition, various experts have been interesting in the Three-Gorges Reservoir region (TGRR) and even the whole Yangtze drainage basin after the beginning of dam engineering. However, few studies were focused on the molecular ecology of TGRR. In order to explore the relationship between genetic diversity and species diversity, the whole DNA of plankton communities from seven samples locations in the TGRR was analyzed by random amplified polymorphic DNA (RAPD), and species of which were identified as well. The 7 locations can be clustered into 3 groups by genetic diversity. Station A, C, D and E cluster as one group, station B and F cluster as another group, and station G is different from all of others. While these stations still as a whole after analyzing by RAPDistance 1.04. Also, 41 species were found in all, which contains 4 algae, 10 protozoa, 19 rotifer, 4 cladocera and copepoda respectively. Meanwhile, the nearest genetic distance is only 0.2586 which occurred between station D and C, and the opposite one lies between D and F which is 0.4758. But species diversity analysis displays that station B and C have the nearest distance; correspondingly, A and F have the furthest one. In other words, the result of genetic diversity is not consistent with that of species diversity. Therefore, more information has been obtained from genetic diversity in river, which applied new information for establishing the relationship between genetic diversity and species diversity of plankton. And more molecular biological methods should be applied, such as that more sensitive as well as good replied approaches could analyze pronucleus and eukaryon respectively.
ISSN号: 1003-5427
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/18259
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Deng Wenna; Yu Yuhe (yhyu@ihb.ac.cn) ; Feng Weisong; Yan Qingyun.Comparative analysis between species composition and DNA polymorphism of plankton community in the Three-Gorges Reservoir region,Hupo Kexue,2007,19(3):333-339
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文件名: Comparative analysis between species composition and DNA polymorphism of plankton community in the Three-Gorges Reservoir region.pdf
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