采伐提高了森林的火险等级，择伐方式下森林的火险等级最低。
Moreover, forest harvesting could increase the fire risk class, which was the lowest under selective cutting scenario.
如果他预期政策不会维持很长时间，他可能选择伐树而不是种树。
If he expected that the policy would not remain for long, he might choose to fell trees instead of planting trees.
成熟的用材林应当根据不同情况，分别采取择伐、皆伐和渐伐方式。
For mature timber stands, the approaches of selection cutting, clear cutting and shelterwood cutting.
动态监测结果显示，采用择伐和皆伐人促更新措施后群落恢复较快。
The dynamic monitor result showed that the community recovery was relatively rapid after adopting the measures of selection felling and the clean felling reproductions with artificial promotion.
迈克尔成为了他父亲事业上的合作伙伴，那是一份他越来越喜欢的危险工作：林木择伐。
Michael became a partner in his dad's business, a dangerous occupation that he grew to love: select cutting of timber.
论述了检查法(少量、多次择伐法)不同作业方式对长白山北部云冷杉林下枯落物、土壤含水量及枯落物分解速率的影响。
The article studies the effects on spruce fir forests' litter and soil moisture content and litters' decomposing rate under different management system in north Changbai Mountains.
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。
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.
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。
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.
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