搜索结果: 1-5 共查到“森林培育学 stand structure”相关记录5条 . 查询时间(0.08 秒)
The effect of different tending on stand structure and quantitative production of European beech (Fagus sylvatica L.) stand in a selected region of East Slovakia
quantitative production free crown thinning
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2015/5/6
The paper deals with assessment of a long-term experiment (45 and/or 53 years of investigation) in the 90-years-old European beech (Fagus sylvatica L.) stand in a selected region of East Slovakia. The...
Relationship between Stand Structure and Damage Rate in Japanese Larch Forests Damaged by Glaze
diameter distribution discriminant analysis glaze damage slenderness ratio stand density control diagram
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2009/8/24
Data on the Japanese larch (Larix kaempferi Carr) forest damaged by glaze in Hidaka Hokkaido in February 2004 was analyzed to work toward developing a system that minimizes glaze damage. The distribut...
Influence of a Fagus crenata Plantation with Different Weeding Periods on the Consequent Stand Structure in Cold Region with Snowiall
colonized broadleaved species Fagus crenata plantation weeding
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2009/8/24
In cold regions with snowfall in Japan, unsuccessful Cryptomeria japonica plantations are often intended to convert into more natural forest in recent years. To improve such a practice, we examined ef...
Changes in Stand Structure after the Mass Mortality of Oak Trees in Keihoku Area,Kyoto City,Japan
broad-leaved secondary forest mass mortality of oak trees Qurcus crispula regeneration succession
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2009/8/21
The effect of mass mortality of oak trees, caused by the fungus Raffaelea quercivora, on the stand structure of a broadleaved secondary forest was investigated in a stand located in northern Kyoto Cit...
Influence of Thinning History on the Stand Structure of Old-aged Plantations of Chamaecyparis obtusa
Chamaecyparis obtusa old-aged plantation thinning history stand description tree quality structure
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2009/8/21
Past management, stand structure and tree quality composition were investigated in six stands of about 100-year-old Chamaecyparis obtusa plantations, to understand the effects of their respective thin...