搜索结果: 1-8 共查到“shelterwood”相关记录8条 . 查询时间(0.041 秒)
Harvest scheduling with spatial aggregation for two and three strip cut system under shelterwood management
aggregation connectivity GIS optimization model spatial forest planning wind-thrown risk
2015/3/27
We propose a spatial aggregation method to solve an optimal harvest scheduling problem for strip shelterwood management. Strip shelterwood management involves either a two-cut system with a preparator...
Effects of selection and shelterwood method on quality and quantity of trees along skid trails in beech (Fagus orientalis, Lipsky) forests
skid trail shelterwood method selection system beech forests tree quality tree quantity
2015/3/27
The effects of two silvicultural methods on quality and quantity of forest trees (along skid trails) were studied. The aim of this study was to compare the effects of shelterwood and selection methods...
Dynamics of natural regeneration of even-aged beech (Fagus sylvatica L.) stands at different shelterwood densities
European beech Fagus sylvatica L. natural regeneration natural reserve stand density
2015/3/19
The article presents results of research focused on the development of natural regeneration of beech stands in the National Natural Reserve Voděradské bučiny, based on information acquired in reg...
Evaluating the shelterwood harvesting system after 25 years in a beech Fagus orientalis Lipsky) forest in Iran
regeneration unit silviculture Hyrcanian forest
2015/3/16
Beech (Fagus orientalis Lipsky) is the most industrial commercial tree species among more than 80 broadleaved trees and shrubs in Hyrcanian forests. In this study some of the silvicultural properties ...
The effect of shelterwood silvicultural method on the plant species diversity in a beech (Fagus orientalis Lipsky) forest in the north of Iran
beech forest shelterwood method plant diversity
2015/3/16
To clarify the effect of shelterwood silvicultural method on the diversity of plant species in a beech (Fagus orientalis) forest in the north of Iran, we compared the plant species diversity in three ...
Regeneration under a shelterwood system of spruce-dominated forest stands at middle altitudes
transformation shelterwood system spruce
2015/3/5
An experiment with regeneration under the shelterwood of spruce-dominated mature stand was established at middle altitudes of the Žďárské vrchy Hills in 1971. The paper brings a comparison o...
Practical verification of food supply to game in conditions of large-scale shelterwood system
game management carrying capacity biomass production energy requirement
2015/2/6
In the hunting district Hády (897 ha), which is operated by the Křtiny Training Forest Enterprise,383 samples of biomass utilizable as wildlife forage were collected and analysed; they were also ...
Regeneration of Fagus crenata Experimentally Managed by a Shelterwood System 33 or 54 Years after Cutting in Forests with Deciduous Shrub-type Undergrowth in the Tohoku District,Northern Honshu,Japan
Fagus crenata forest floor treatment Kurosawajiri Research Site natural regeneration shelterwood system
2009/8/28
Regeneration of Fagus crenata was examined in the experimental forests managed by a shelterwood system at the Kurosawajiri Research Site, Iwate Prefecture. In a stand where clearing of the forest floo...