Environmental factors controlling the distribution of forest plants with special reference to floral mixture in the boreo-nemoral ecotone, Hokkaido Island

Uemura, Shigeru

doi:https://doi.org/10.11501/3089276

Environmental factors controlling the distribution of forest plants with special reference to floral mixture in the boreo-nemoral ecotone, Hokkaido Island

Uemura, Shigeru

1992

Permalink : https://doi.org/10.11501/3089276

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アクセス権	open access
DOI	https://doi.org/10.11501/3089276
URI	https://hdl.handle.net/2115/28100
タイトル	Environmental factors controlling the distribution of forest plants with special reference to floral mixture in the boreo-nemoral ecotone, Hokkaido Island
タイトル	森林植物の分布と環境要因、特に北海道の森林フロラの混在様式に関する生態学的研究
著者	著者名 Uemura, Shigeru 植村, 滋
言語	英語
キーワード	Direct gradient analysis
	Floral mixture
	Leaf phenology
	Mixed forest
	Phytogoegraphy
	Snowcover
	Understory
発行日	1992-06-30
出版者	Hokkaido University
抄録	Effects of climatic factors on the plant distribution were examined by means of direct gradient analysis, and the relationship of forest flora, life form and phytogeographical distribution was examined. Subsequently, leaf phenology of forest plants were analyzed to evaluate the adaptive significance in relation to the environments in forest understory. In the boreo-nemoral forest ecotone, Hokkaido Island, northern Japan, co-ccurrence of northern and southern plants in a certain forest site is more notable in the understory than in the crown, and this dates back to the late-uaternary period, where the decrease in temperature associated with the glacial period forced the understory flora to adapt their life form or leaf habits to snowcover and light conditions of the interior forests.
学位授与機関	識別子 10101 機関名北海道大学 Hokkaido University
学位授与年月日	1992-06-30
学位授与番号	甲第3111号
学位名	博士(環境科学)
資源タイプ	博士論文
出版タイプ	Version of Record