搜索结果: 1-5 共查到“森林保护学 karst”相关记录5条 . 查询时间(0.116 秒)
Impact of risk factor management on the sanitary condition of Norway spruce (Picea abies [L.] Karst.) pure stands in Latvia
compartment location compartment shape
font style='font-size:12px;'>
2015/5/5
In management of young forest stands, it is often the case in forestry that several risk factors, biotic,
abiotic and anthropogenic ones, have to be dealt with. An anthropogenic factor is of great i...
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
font style='font-size:12px;'>
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...
Comparison of Norway spruce (Picea abies [L.] Karst.), Scots pine (Pinus sylvestris L.) and European larch (Larix decidua Mill.) stem shape by means of geometrical methods
Norway spruce Scots pine European larch stem shape
font style='font-size:12px;'>
2015/3/3
In this article the stem shape is compared in three coniferous tree species: Norway spruce, Scots pine
and European larch. Stem is investigated by means of geometrical methods. Simplified Bookstein ...
Effects of pressure on the root systems of Norway spruce plants (Picea abies[L.] Karst.)
root growth stress pressure RAI Picea abies(L.) Karst
font style='font-size:12px;'>
2015/2/6
Roots are stressed quire often under natural conditions, e.g. when considering sloping terrain, layers of fluvial deposits, huge layers of melting snow, load of heavy forest machinery during logging a...
Induced wound response of Norway spruce Picea abies P. Karst. after artificial inoculation by imagoes of Ips typographus
ophiostomoid fungi pathogens vascular tissues
font style='font-size:12px;'>
2015/1/29
Inoculation experiments were carried out on a set of trees with imagoes of Ips typographus L. which origin from the Šumava Mts. and the Křtiny Training Enterprise. The objective of back inoc...