期刊文献+
共找到1篇文章
< 1 >
每页显示 20 50 100
Ecological Consequences of Mechanization of the Wood Skidding Works in Greece
1
作者 Evaggelos Karagiannis Ploutarchos Kararizos 《Journal of Environmental Science and Engineering(B)》 2012年第4期465-472,共8页
The movement of the wood skidding means on the natural ground causes damages in the soil and in the remaining stand, the size of which depends on the kind, the resistance and the soil conditions, from the size and mov... The movement of the wood skidding means on the natural ground causes damages in the soil and in the remaining stand, the size of which depends on the kind, the resistance and the soil conditions, from the size and movements frequency on the machines as well as from the length of the skidding wood. This study was carried out in a productive forest of Greece, the resistance of the soil in connection with the moisture and the category of the native stone, the pressure that tires of tractors exert in the soil, are estimated. It also estimated the percentage of the trees in the remaining stand which suffer damages from the movement of various means. The above means are used for the skidding of wood of different lengths. According to the results of the research some measures are suggested so as to decrease the damages, which are caused in the soil and in the remaining stand. 展开更多
关键词 Skidding of wood resistance of natural soil pass ability of natural soils damages of the natural soils damages in the remaining stand.
下载PDF
上一页 1 下一页 到第
使用帮助 返回顶部