A conservational Review of Sarobetsu Mire, Northern Hokkaido
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概要
- 論文の詳細を見る
From the point of view of conservation, the authors explained the present status of Sarobetsu Mire in relation to land use and landscape change, plant association change, and species rarity. In the land use and landscape change from 1923 to 1976 it is pointed out as follows: (1) a drastic decrease of mire, (2) an increase of cultivated land, (3) an extension of canals and road networks, and (4) short cutting of the Teshio Rever from which the enlargement of cultivated area has resulted. In the change of plant association, it is most remarkable that Sasa community has been encouraged by a decrease of soil humidity resulted from drainage. In species rarity channel digging has caused an increase of endangered species. Recently Sarobetsu Mire has been realized as a precious asset by tourists as well as inhabitants, and the authors predict that its conservational trend will be strengthened increasingly in future.
- 北海道大学の論文
- 1990-12-20
著者
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Ito Koji
Department Of Biosystem Management Division Of Environmental Conservation Graduate School Of Environ
-
Ito Koji
Department Of Biosystem Management Division Of Enviornmental Conservation Graduate School Of Environ
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Wolejko L.
Department of Biosystem Management, Division of Environmental Conservation, Graduate School of Environmental Science, Hokkaido Univerity
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