搜索结果: 1-4 共查到“林学 skid trails”相关记录4条 . 查询时间(0.046 秒)
Considering the relationship of slope and soil loss on skid trails in the north of Iran (a case study)
harvesting runoff
2015/4/24
With increasing mechanization of forest harvesting operations the impacts on soil have increased quite dramatically. The objective of this paper was to examine the relationship of slope and soil loss....
Reducing erosion from forest roads and skid trails by management practices
water diversion vegetation cover erosion skid trails management practices sediment delivery environmental effects stream water
2015/4/14
A road network in forest lands provides easy access to forest resources for extraction, regeneration, protection and recreation activities. Erosion from forest roads and skid trails is a major concern...
Assessing the relationship of slope and runoff volume on skid trails (Case study: Nav 3 district)
bulk density Nav district runoff skid trail water diversion
2015/4/14
The effect of slope on runoff volume was evaluated on skid trails in the natural forest in the north of Iran. The objective of this study was to determine the relationship between runoff volume and sl...
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...