Terrestrial isopods and their habitats : A case study in Kyoto city

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  • Fujita, Yuki
    京都大学大学院農学研究科森林科学専攻熱帯林環境学分野
  • Watanabe, Hiroyuki
    京都大学大学院農学研究科森林科学専攻熱帯林環境学分野

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Other Title
  • 陸生等脚類の分布と環境 : 京都市域を中心に
  • リクセイ トウ キャクルイ ノ ブンプ ト カンキョウ キョウト シイキ オ チュウシン ニ

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Abstract

The community patterns of terrestrial isopods in various environments, including both urban areas and the forests surrounding Kyoto city, were analyzed. As the 17 study plots were ordered by detrended correspondence analysis and cluster analysis based on the data of a number of species, this order correlated with the change of land use patterns. This means that the community pattern of terrestrial isopods is associated with the land use patterns of their habitat. Axis 1 reflected the shift of a combination of 4 endemic species from urban inhabitant to forest inhabitant (M. nipponicus→L. Nishimurai→V. dorsalis→L. japonicum), while Axis 2 reflected the habitat separation of 2 urban inhabitant species, endemic M. nipponicus and exotic A. vulgare. The diversity of terrestrial isopods on Axis 1 was highest around a plot score of 2.5, where the Ao layer was rich, providing an environment of rich species in the isopod community. The diversity of terrestrial isopods on Axis 2 was low on both ends of the axis, where the Ao layer is thin and the plant species in litter are few, perhaps limiting forest species inhabitation.

Journal

  • Forest Research, Kyoto

    Forest Research, Kyoto 71 1-7, 1999-12-28

    京都大学大学院農学研究科附属演習林

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