1) cutting operation
采伐作业
1.
Through investigating the cutting areas which were operated in 1994～1997 and those under operation at present, the paper discusses the effects on forest regeneration, survival, landscape fragmentation and species diversity by different cutting methods, cutting intensity, cutting operation techniques.
一切采伐作业都必须在一定的生态约束下进行,这样有利于林木更新生长。
2) Harvesting and cultivating operation
伐区采育作业
4) regeneration by groups;regeneration under group system
块状采伐更新作业(林)
5) Selective cutting
择伐作业
1.
How to decrease the damage rate of residual standing trees in the selective cutting sites is quite important for forest land owners to reduce the wood production waste and to develop and utilize forest resources in a sustainable way.
影响油锯择伐作业中保留木损伤率的因素很多,经过分析可知采伐强度、林分密度和采伐木单株材积是影响保留木损伤率的主要因素。
2.
Selective cutting intensity,stand density and felling tree volume per stem were considered as the major influencing factors by analyzing related researches at home and abroad.
为了研究森林采伐作业对保留木损伤率的影响,降低森林经营和开发利用中资源的损失和浪费,实现现有森林资源的可持续发展,分析了油锯择伐作业中对保留木损伤率的影响,可知:采伐强度、林分密度和采伐木单株材积是影响保留木损伤率的主要因素。
6) Chose cutting
间伐作业
补充资料：兵棋作业(见想定作业)
兵棋作业(见想定作业)
war gaming exercise
bingqi zuoye兵棋作业(war ga而ng exercise)见想定作业。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条