搜索结果: 1-3 共查到“林学 costs”相关记录3条 . 查询时间(0.095 秒)
Costs of basic methods of forest landmaintenance in protective zones of high-voltage power lines in the Czech Republic
Czech Republic forest lands high-voltage power lines maintenance costs
2015/3/20
The paper describes the basic potential methods and their costs of maintenance of forest lands in protective zones under high-voltage power lines (HVPL) 400 kV and 220 kV. In the present situation and...
Productivity and costs of the mechanised cut-to-length wood harvesting system in clear-felling operations
hauling distance payload harvester
2015/3/5
A study of labour productivity was conducted in fully mechanised harvesting technologies. The study revealed that the productivity of harvesters was particularly affected by the average tree volume of...
Minimization of the Transport Costs in Forestry by Linear Programing
Kümbet Region Linear Programming Logging Operations Transportation Costs Minimization
2009/1/14
In forest management, transportation is a rather difficult, expensive and time-consuming activity. Transportation of logs from the forest to the landings has been achieved in various ways. Log transpo...