The selection cutting management plan of natural cool-temperate and boreal forests : The decision method of allowable cut volume and operation methods of each forest type

ISHIBASHI Satoshi

doi:10.20659/jjfp.32.0_7

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Other Title

北方系針広混交林における択伐施業計画 : 林分タイプごとの伐採予定量の決定と施業方法
ホッポウケイシンコウコンコウリンニオケルタクバツシギョウケイカクリンブンタイプゴトノバッサイヨテイリョウノケッテイトシギョウホウホウ

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The purpose of this paper is to propose a simple classification of forest types on the basis of data analyses which was obtained in cool-temperate and boreal forests in central Hokkaido, and to discuss the decision method of allowable cut volume and operation methods of each forest type. As a result, the forest was classified into four types by number of trees and stand volume as follows; the low volume open stand, the high volume single layered stand, the second growth stand and the selection cutting stand. This classification of forest type was simple, but expressed the characteristic of stand structures of each forest type. In order to establish and maintain the selection cutting forests, it was suggested that the allowable cut volume in the selection cutting stand should be determined by summing up growth of all trees as usual. To determine the allowable cut volume in the high volume single layered stand, growth of only predominant trees should be summed up. In the case of the low volume open stand and the second growth stand it should not be cut, and regeneration assistance and thinning should be enforced.

Journal

Japanese Journal of Forest Planning

Japanese Journal of Forest Planning 32 (0), 7-19, 1999

Japan Society of Forest Planning

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