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Article type: Cover
1999 Volume 32 Pages
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Article type: Appendix
1999 Volume 32 Pages
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Article type: Appendix
1999 Volume 32 Pages
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Article type: Appendix
1999 Volume 32 Pages
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Article type: Appendix
1999 Volume 32 Pages
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Article type: Index
1999 Volume 32 Pages
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Hiroshi KONDOH
Article type: Article
1999 Volume 32 Pages
1-6
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The present condition and the subject of the forest data on the arrangement of forest operation planning is cleared, and the new database system on that data has been designed. In Kumamoto Prefecture the Kuma village cooperative is comprised of 70 different parcels of forest, for which the cooperative is in charge of territorial joint forest management planning. In managing the forest, the Kumamoto Prefectural office assists the cooperative through guidance and the supply of necessary materials, such as SHINRINBO, the forest resource data created by the prefecture, as well as maps of forest planning and so on. In the cooperative, the forest operation planning is made by the data from the prefecture. But the forest operation planning is generally carried out with the data which the cooperatives have been compiled. In addition, a new database including data of the forest operation history, which is necessary for future forest operation planning, has also been developed.
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Satoshi ISHIBASHI
Article type: Article
1999 Volume 32 Pages
7-19
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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.
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Takeshi MORISAWA
Article type: Article
1999 Volume 32 Pages
21-24
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Seiji ISHIBASHI, Akira NISHIJYO, Hiroshi SASAKAWA
Article type: Article
1999 Volume 32 Pages
25-30
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Toshiro YOSHINAGA
Article type: Article
1999 Volume 32 Pages
31-34
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Kazumi Seto
Article type: Article
1999 Volume 32 Pages
35-36
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Yukichi KONOHIRA
Article type: Article
1999 Volume 32 Pages
37-38
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Tatsuhito UEKI, Kazuhiro AWATA, Kensuke KANAI
Article type: Article
1999 Volume 32 Pages
39-42
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Hiroshi IIZUKA
Article type: Article
1999 Volume 32 Pages
43-50
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Zen'ichirou SHIBAYAMA
Article type: Article
1999 Volume 32 Pages
51-60
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Mitsuhiro NOSE
Article type: Article
1999 Volume 32 Pages
61-62
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Masaaki IMANAGA
Article type: Article
1999 Volume 32 Pages
63-64
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Article type: Appendix
1999 Volume 32 Pages
65-66
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Article type: Appendix
1999 Volume 32 Pages
66-67
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1999 Volume 32 Pages
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1999 Volume 32 Pages
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1999 Volume 32 Pages
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Article type: Appendix
1999 Volume 32 Pages
69-70
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Article type: Appendix
1999 Volume 32 Pages
70-71
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1999 Volume 32 Pages
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1999 Volume 32 Pages
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1999 Volume 32 Pages
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Article type: Appendix
1999 Volume 32 Pages
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1999 Volume 32 Pages
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Article type: Cover
1999 Volume 32 Pages
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