森林采伐作业的环境影响及其保护对策

Environment effect of forest harvesting and protection techniques

阐述了森林采伐作业引起林地土壤的干扰与压实、土壤养分变化、保留木的损伤以及采伐作业对溪流水质的变化、林木更新和生长的影响,简介了可减少立地破坏的采伐作业技术和采集机械应用的新进展,并指出我国开展森林采伐作业环境保护技术的对策。

This paper gives a comprehensive description of the studies on soil,water properties,regeneration and seedling growth of forest harvesting operation.The current advances in the forest harvesting techniques,machinery and the methods of reducing the impacts on site for forest harvesting arc also fully expounded.Finally,the corresponding countermea-surcs are put forward for the researches on environmental protection techniques for forest harvesting in China.