Geographical Differentiation in Populations of Japanese Dace Tribolodon hakonensis Deduced from Allozymic Variation : Ecology and Taxonomy
スポンサーリンク
概要
- 論文の詳細を見る
Allozymic variation of Japanese dace Tribolodon hakonensis was examined at 20 loci in 17 populations derived from Hokkaido to Kyushu. Intrapopulational variability indicated by the proportion of loci polymorphic and heterozygosity was close to the standard levels in vertebrates. On the other hand, allelic frequencies at five loci of the twenty were remarkably different among populations, and even replacement of predominant alleles was observed. The extent of interpopulational differentiation was estimated by coefficient of gene differentiation (G_<ST>) and genetic distance (D). Levels of these indices were remarkably high compared with the levels known among populations in many vertebrates. Based on a dendrogram, we classified the populations into three local groups; 1) Northern Group, 2) Southern Group, and 3) Lake Biwa Group. These results suggest that the populations of different local groups have been highly differentiated from each other and the differentiation is due to geographical isolation.
- 社団法人日本動物学会の論文
- 1988-04-15
著者
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Taniguchi Nobuhiko
Laboratory of Applied Population Genetics, Graduate School of Agricultural Science, Tohoku Universit
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Hanzawa N
Ocean Research Institute University Of Tokyo
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HANZAWA NAOTO
Ocean Research Institute, University of Tokyo
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NUMACHI KEN-ICHI
Otsuchi Marine Research Center, Ocean Research Institute, University of Tokyo
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Taniguchi N
Laboratory Of Population Genetics Informatics Graduate School Of Agricultural Science Tohoku Univers
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Numachi K
Tokai Univ. Shizuoka Jpn
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Taniguchi Nobuhiko
Laboratory Of Applied Population Genetic Informatics Graduate School Of Agricultural Science Tohoku
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Taniguchi Nobuhiko
Laboratory Of Population Genetic Informatics Graduate School Of Agricultural Science Tohoku University
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NUMACHI Ken-ichi
Otsuchi Marine Research Center, Ocean Research Institute University of Tokyo
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