搜索结果: 1-3 共查到“林学 tree damage”相关记录3条 . 查询时间(0.076 秒)
Relationship between rodent density, environmental factors and tree damage caused by rodent species
small rodents field vole bank vole common beech artificial plantations
2015/4/14
The impact of rodent bark gnawing on common beech plantations was studied in the area of the Jeseníky Mts. in the course of four years. The extent of damage fluctuated significantly on 18 monitored pl...
Merocoenoses of cambioxylophagous insect fauna of Norway spruce (Picea abies [L.] Karst.) with focus on bark beetles (Coleoptera: Scolytidae) and types of tree damage in different gradation conditions
bark beetles the Beskids Central Europe merocoenoses Norway spruce, Picea abies tree damage
2015/3/19
Research on merocoenoses of cambioxylophagous insect fauna of Norway spruce (Picea abies [L.] Karst.) was carried out in spruce stands of different age in the area with an endemic population (Moravian...
A statistical small-area method of estimation of spatial distribution of the tree damage degree
survey sampling unrestricted simple random sampling Sinus system
2015/1/29
The objectives of this study are to demonstrate a small-area method of estimation of the spatial distribution of the tree damage degree, and to initially verify it during the assessment of fir (Abies ...