搜索结果: 1-3 共查到“林学 rodents”相关记录3条 . 查询时间(0.062 秒)
Relationship between Dwarf-bamboo Growth and Small Rodents on Mt. Ohdaigahara,Central Japan,with Special Reference to Construction of Deer-proof Fences
deer-proof fence dwarf-bamboo Mt.Ohdaigahara sika deer small rodent
2009/8/28
We examined the relationship between dwarf-bamboo growth and small rodents on Mt. Ohdaigahara where the population density of sika deer (Cervus nippon) has been increasing and trunk debarking by the d...
Effects of Snow Cover on Seed Survival and Seedling Distribution of Beech Protection from Seed Predation by Rodents
beech tree regeneration seed predation seedling bank snow cover
2009/8/24
Beech trees often dominate the natural forests in northeast part of Japan. This is partly attributable to heavy snow environment in these districts. Deep snow cover during winter season may contribute...
Distance Dependent Emergency of Beech (Fagus crenata) Seedlings from Mother Trees in Heavy Snowfall Area:The Effects of Snow Covers to Protect Seeds from Predation by Rodents
beech seedling bank seed predation snow cover
2009/8/24
Seedling banks in a beech forest were scarcely found around stems in snowy regions. Since snow cover prevents feeding activity of rodents, we considered that the seed predation might occur intensively...