采伐,即森林采伐,木材生产的基本工序之一。是根据林业经营的目的和要求,对林木进行砍伐的作业。包括林木成熟前的抚育采伐和成熟林、过熟林的主伐。
... felling wedge 伐木楔 felling 采伐 felling-delimbing-bucking equipment 伐木打枝造材机械 ...
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Forest management occurred within forest landscape mainly consist of timber harvest and road construction. Timber harvest effects forest landscape pattern and habitat pattern.
森林经营活动主要包括采伐和修建道路。
参考来源 - 人类活动对森林景观影响研究进展Picea purpurea forests are the object of deforestation, therefore, they are the very landscape type which are influenced most directly by people's activity, and they changed most over the past 40 years.
由于紫果云杉林是当地人们采伐的对象,因此它是受到人为干扰影响最直接和最大的景观类型,L1自1967年的24.262%下降到2006年的15.646%,其下降范围集中在3450m~4000m。
参考来源 - 基于GIS的林草交错带景观格局变化及影响因素研究Changes in temperature and water table together contributed to the changes of methane fluxes after cutting.
这主要是由于采伐后温度和水位发生变化,二者的共同作用导致采伐后森林沼泽甲烷通量的变化。
参考来源 - 小兴安岭沼泽甲烷排放及其对人为干扰的响应研究·2,447,543篇论文数据,部分数据来源于NoteExpress
发达国家在解决森林采伐问题上没有什么作为。
我们享受我们家具的美丽与舒适,但我们从来就不愿去想一想由于采伐树林而引起的严重的土壤侵蚀问题。
We enjoy the comfort and beauty of our furniture, yet we never bother to think about the serious soil erosion caused by deforestation.
巴西承诺自己要大大减少森林采伐。
Brazil committed itself to a drastic reduction in deforestation.
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