BEHAVIOURS OF THE MAIN TEMPERATE PLANTS IN HOKKAIDO ALONG CLIMATIC GRADIENTS

  • UEMURA Shigeru
    Biological Laboratory, Faculty of Education, Kobe University : (Present address) Division of Environmental Science, The Graduate School of Science and Technology, Kobe University
  • TAKEDA Yoshiaki
    Biological Laboratory, Faculty of Education, Kobe University
  • NAKANISHI Satoshi
    Biological Laboratory, Faculty of Education, Kobe University

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  • 北海道の温帯植物の気候環境傾度に対する反応特性
  • ホッカイドウ ノ オンタイ ショクブツ ノ キコウ カンキョウ ケイド ニ タ

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Abstract

The ecological characteristics of the main temperate plants composing the natural forests in Hokkaido were clarified by means of direct gradient analysis. The behaviour of individual species along the thermal, snow, and precipitational gradients was shown. In addition, from the most concentrated position of distribution in the graph, plants were divided into commodal species groups. From a comparison between the behaviour to environmental factors and the geographical distribution of each species, it was possible to identify some indicator species groups from their similarity in ecological requirements.

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