Forest harvesting slash disposal is one of the important parts of forest operations.

采伐剩余物迹地清理是森林作业的重要组成部分之一。

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There are large areas low-quality forest with low canopy density, low productivity because of over-harvesting operations and natural disasters.

由于多次过量采伐干扰及自然灾害，小兴安岭林区形成大面积郁闭度较低、生产力低下且林相衰败的低质林。

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There are large areas low-quality forest with low canopy density, low productivity because of over-harvesting operations and natural disasters.

由于多次过量采伐干扰及自然灾害，小兴安岭林区形成大面积郁闭度较低、生产力低下且林相衰败的低质林。

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