Faculty of Agriculture, Shimane University
ISSN:0370-940X
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Use this link to cite this item : https://ir.lib.shimane-u.ac.jp/1785
Bulletin of the Faculty of Agriculture, Shimane University 17
1983-12-20 発行
択伐方式によるシラカシ薪炭林の生産機構に関する研究(第10報) : 下山佐固定試験地の第5経理期における現存量
Studies on the Productive Structure of "Shirakashi" (Cyclobalanopsis Myrsinaefolia OERST.) Coppice-forest Managed by Selection Method(10) : On the Biomass in Fifth Circulation-period at the Shimoyamasa Permanent Plot
Yasui, Hitoshi
Fujie, Isao
Yamamoto, Mitsuo
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Description
The change of biomass of the coppice forest of "Shirakashi" in fifth cutting cycle(1974-1980）were investigated at the Shimoyamasa permanent plot set up Hirose Cho, Shimane Prefecture in 1959. The forest has been managed by the selection method.
The allometric equations of single tree were calculated by sample trees and the biomass of upper ground in the plot were etimated by these equations. The change processes of biomass in the cutting cycle were shown in Table 3 and Table 5. Thevertical distribution of foliage were shown in Table 4 and Fig.1.
The annual weight increment of growing stock per ha of Shirakashi was 8.6 ton, and that of branch and foliage were 3.2 ton and 0.7ton, respectively.
The allometric equations of single tree were calculated by sample trees and the biomass of upper ground in the plot were etimated by these equations. The change processes of biomass in the cutting cycle were shown in Table 3 and Table 5. Thevertical distribution of foliage were shown in Table 4 and Fig.1.
The annual weight increment of growing stock per ha of Shirakashi was 8.6 ton, and that of branch and foliage were 3.2 ton and 0.7ton, respectively.
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