Ecological Studies of Mixed Forests in Nopporo National Forest, Central Hokkaido, Japan : Relationships Between the Distribution of Aged Forests and Environmental Factors
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概要
- 論文の詳細を見る
A survey of forest vegetation and environmental factors was done in Nopporo National Forest. Thirteen forest communities which were determined by dominant species and three soil types were observed. None of these communities extended beyond 50 meters, and they were observed to be rapidly replacing each other. The distribution of these communities were not correlated with the topography and soil types. By using continuum analysis, 80 forest stands showed significant correlation to the soil water content ratio. On brown forest soil spread over almost all of the forest, forest stands were distributed with a good correlation to the depth from the soil surface to water impermeable C horizon. Impermeable C horizon subtly changed soil water gradient, and this caused the rapid replacement of communities and dominant species. Mosaic phenomenon of Mixed Forest Zone is observed in miniature in Nopporo National Forest.
- 北海道大学の論文
- 1987-03-10
著者
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Ito Koji
Department Of Cardiovascular Medicine Kyushu University Graduate School Of Medical Sciences
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Haruki M
Hokkaido Univ. Sapporo
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Haruki Masahiro
Department Of Biosystem Management Division Of Environmental Conservation Graduate School Of Environ
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Ishikawa Y
Senshu Univ. Bibai Jpn
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Ishikawa Yukio
Department Of Forestry And Landscape Architecture Hokkaido College Senshu University
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Ito Koji
Department Of Biosystem Management Division Of Environmental Conservation Graduate School Of Environ
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Ito Koji
Department Of Biosystem Management Division Of Enviornmental Conservation Graduate School Of Environ
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Ishikawa Yukio
Department Of Clinical Laboratory Sado General Hospital
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Ishikawa Yukio
Department of Applied Chemistry, Faculty of Engineering, Osaka University
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