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 16
1982-12-20 発行
昭和53年1月異常降雪によって冠雪害をうけたスギ人工林の解析(III) : 林分内被害の特徴
Analysis of Snow-damaged Sugi(Cryptomeria japonica D. DON) Stand by Unusual Snowfall in January, 1978(III) : Characteristic Features of Damage in a Stand
石井 弘
片桐 成夫
三宅 登
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The knowledge about the relationship between the stand structure and snow damage is essential for silvicultural operations to establish more tolerable stands for snow. For this purpose, the susceptible parts of the stand were induced from the analysis of measurements and the maps of tree distribution in the stand where 26.4% of trees were damaged by snowload accumulated in the crown of trees. Although the dominant trees with crowns extending above the general level of the canopy were most tolerable in general, the parts where those trees with high stem-form coefficient clustered were severely damaged. Intermediate and overtopped trees were more susceptible but were sporadically damaged.
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