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Soil preparation by ploughing in the floodplain forest and its influence on vegetation and primary soil characteristics
floodplain forests mechanical site preparation by ploughing physical and chemical soil analyses phytocoenology soil biological activity
2015/3/19
The paper analyzes the effect of whole-area site preparation by ploughing and of alternate field and forest crops on the understorey, soil biological activity and physical and chemical characteristics...
Ground based operation effects on soil disturbance by steel tracked skidder in a steep slope of forest
crawler tractor forest floor removal ground based skidding hardwood forest of Iran soil compaction
2015/3/19
In this study, the effects of slope and traffic intensity on soil compaction, rutting and forest floor removal was evaluated on a skid trail in the natural forest of north of Iran. Combination of two ...
Rodent-caused damage to forest trees from the viewpoint of forestry practice
bank vole bark damage field vole forest damage
2015/3/19
Small mammals cause serious damage to forests but there is only little knowledge of their ecology and possibilities of plantation protection. The objective of our study was to collect information on t...
The role of Hylastes cunicularius Erichson (Coleoptera: Scolytidae) in transferring uropodine mites in a mountain spruce forest
Hylastes cunicularius mountain spruce forest uropodine mites West Carpathians
2015/3/19
The bark beetle Hylastes cunicularius was studied in the Tatra Mountains, West Carpathians, to clarify its role in transferring phoretic uropodine mites during dispersal in a mountain spruce forest. E...
Production impacts of forest tree breeding on an example of Norway spruce
economic efficiency forest tree breeding growth Norway spruce production
2015/3/19
The present paper evaluates the height, diameter and stem volume of parental tree progenies. These Norway spruce progenies are compared with the control estimated from tables. The control was overperf...
Health status of forest stands on permanent research plots in the Krkonoše Mts
air pollution beech mixed and spruce stands damage defoliation health status Krkonoš e Mts. transition matrices
2015/3/19
Damage to beech, mixed (beech with spruce to spruce with beech) and spruce stands in the Krkonoše Mts. is described on the basis of evaluation of transition matrices describing the probability of...
Regeneration of forest stands on permanent research plots in the Krkonoše Mts
forest ecosystem forest regeneration Krkonoš e Mts. site and stand conditions structure and development of forest stands
2015/3/19
The article describes natural, combined and artificial regeneration on 38 permanent research plots in both Czech and Polish part of the Krkonoše Mts. The attention is paid to species composition,...
Horizontal structure of forest stands on permanent research plots in the Krkonoše Mts. and its development
Clark-Evans index forest stands Hopkins-Skellam index horizontal structure K-function Krkonoš e Mts. Pielou-Mountford index
2015/3/19
Horizontal structure on 38 permanent research plots is described for juvenile growth and developmental phases (natural seeding, advance growth, plantations) and tree layer of a parent stand. Hopkins-S...
Structure and development of forest stands on permanent research plots in the Krkonoše Mts.
forest development mountain forest structural diversity
2015/3/19
The research is focused on structure and development of forest stands from 5th to 8th forest vegetation zone in the Krkonoše Mts. The forest stand diversity according to tree species composition ...
State and development of phytocenoses on research plots in the Krkonoše Mts. forest stands
beech mixed and spruce stands classification Krkonoš e Mts. ordination state and development of phytocenoses
2015/3/19
The paper assesses the state and development of phytocenoses in beech, mixed and spruce stands on permanent research plots (PRP) 1–32 in the Krkonoše (Giant) Mts. in the years 1980–2005, i.e. dur...
Development of forest soils in the Krkonoše Mts. in the period 1980–2009
acidification air pollution Krkonoš e Mts liming multidimensional analysis soil dynamics
2015/3/19
This paper documents the development of soil conditions in the set of 32 permanent research plots in the Krkonoše (Giant) Mts. These plots represent an altitudinal gradient covering the ecosystem...
Forest yield index and its applicability to the assessment of future forest yields
forest growth wood production final cutting yield
2015/3/17
The paper suggests and examines a simplified relative indicator of forest production, with special regard to possibilities of its use in projecting future forests. Forest yield index (IY), based on an...
Phenology of four broad-leaved forest trees in a submountain beech forest
submountain beech forest phenology vegetative phenological phases
2015/3/17
The phenology of four deciduous forest tree species (Carpinus betulus L., Fagus sylvatica L., Quercus dalechampii Ten., Tilia cordata Mill.) was studied in a submountain beech forest stand in Central ...
The effect of liming on the mineral nutrition of the mountain Norway spruce (Picea abies L.) forest
Norway spruce liming Moravian-Silesian Beskids Mts. Czech Republic
2015/3/17
Mineral nutrition represents the uptake, transport, metabolism and utilization of nutrients by the forest stand. These processes influence all physiological functions of trees. A specific minimum amou...
Forest watershed runoff changes determined using the unit hydrograph method
forest watershed drainage runoff
2015/3/17
Unit hydrograph is a basic method to show changes in runoff in the watershed. The investigation of runoff changes was carried out in the U Dvou louček watershed situated at the summit part of the...