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题名: Genetic population structure of Chinese sturgeon (Acipenser sinensis) in the Yangtze River revealed by artificial neural network
作者: Zhu, Bin; Zhao, Na; Shao, Zhaojun; Lek, Sovan; Chang, Jianbo
刊名: JOURNAL OF APPLIED ICHTHYOLOGY
发表日期: 2006-12-01
卷: 22, 页:82-88
收录类别: ISTP ; SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Fisheries ; Marine & Freshwater Biology
研究领域[WOS]: Fisheries ; Marine & Freshwater Biology
英文摘要: An extensive risk analysis should always precede a stocking program. In order to determine the genetic effects of the program, information on genetic composition of the population both prior and after the stocking program is required. Genetic variations within and among three annual spawning runs of Chinese sturgeon were measured by six microsatellites. We found substantial genetic variation remaining within all spawning runs, probably related to the recent nature of the population impact, the longevity of the species, and their apparent self-incompatibility. A subtle genetic structure was detected in the annual spawning runs by an unsupervised self-organizing model. Meanwhile these genetically differentiated spawning stocks may occur sympatrically on a small geographic scale. These results further suggest that the current supportive breeding of A. sinensis may require a careful identification of broodstocks in artificial propagation in order to avoid admixture and hybridization among these genetically different spawning stocks.
关键词[WOS]: CONSERVATION ; SCAPHIRHYNCHUS ; BIOLOGY ; SALMO
语种: 英语
WOS记录号: WOS:000247966100013
ISSN号: 0175-8659
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/27223
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Minist Water Resources & Chinese Acad Sci, Inst Hydroecol, Wuhan 430079, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China
3.Univ Toulouse 3, LADYBIO, CNRS UMR, Toulouse, France
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