島根大学農学部
ISSN:0370-940X
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島根大学農学部研究報告 25
1991-12-21 発行
林内作業道開設時に引きちぎられた樹木根系の直径階分布 : スギ・ヒノキ人工林での調査例
The diameter class distribution of torn woody plant roots under forest road construction : a case of Cryptomeria japonica and Chamaecyparis obtusa
新村 義昭
川上 誠一
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The rootlets of woody plant were torn under forest road construction.The authors made the assumption that the torn rootlets occured underforest road construction were as same mechanism as the torn rootletsoccured under mountain slope slide. This time, two planted conifers weremeasured. The results about torn rootlet diameter were as follows;
1. The summed values of the diameter class over 95% were 6mm class as Cryptomeria japonica and Chamaecyparis obtusa.
2. The distnbutions of the torn rootlets were varied with individuals and with species.
1. The summed values of the diameter class over 95% were 6mm class as Cryptomeria japonica and Chamaecyparis obtusa.
2. The distnbutions of the torn rootlets were varied with individuals and with species.
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