搜索结果: 1-5 共查到“林学 trail”相关记录5条 . 查询时间(0.231 秒)
Effect of the skid trail cross section and horizontal alignment on forest soil physical properties
soil bulk density ground-based skidding cross slope Civil3D software Bahramnia forest
2017/6/26
Horizontal alignment and cross section characteristics of a skid trail in a ground-based skidding system including curves, wheel ruts and cross slope can impact on the forest soil. In this study the m...
Decision support system to find a skid trail network for extracting marked trees
routing slope stability log landing skidding timber harvesting
2017/4/6
Careful planning of skid trails as wood extraction routes in forests is an ongoing task and necessary for minimizing the environmental damage. The main objective of this study is to find skid trails t...
Determination of forest skid trail density in Caspian forests, Iran
timber harvesting winching time study
2016/3/2
Calculation of Skid Trail Spacing (STS) is an important option to minimize the total costs of skidding. Construction of many skid trails increases the construction cost, it also results in more degrad...
Learning through Experience: an interpretive trail design for Nasami Farm
Nasami Farm trail design
2014/12/8
Almost fifty years ago Freeman Tilden suggested that outdoor places have an ability to speak for themselves (1957). They each impart their own set of unique experiences for visitors, fostering the sen...
The Trail and Climber Management and Its Cost Recovery from the Climbers at Mt.Fuji in Edo Period
climber cost recovery Mt.Fuji recreation management trail
2009/8/21
The cost recovery from wildland recreation has become international issues. In Japan such trends are found only in specific facilities such as mountain toilets. However, diverse cost recovery methods ...