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森林病虫鼠害，是造成森林灾害的主要因素之一。随着我国造林绿化事业的不断发展，林地面积不断扩大，在“八五”以前，森林病虫害的发生有扩大蔓延的趋势。“八五”期间，一方面由于造林质量的不断提高和林木抚育工作的加强，提高了林木质量，增强了林木抵御自然灾害的能力。另一方面由于加强了资源保护的法制建设和森林病虫害的监测、检疫和防治体系建设，各级林业部门层层落实森林病虫害防治目标责任制。使森林病虫害发生蔓延的趋势得到有效的控制。并针对目前森防建设中存在的问题提出了相应的对策。
Forests, pests and rodents are one of the major causes of forest disasters. With the continuous development of afforestation in China, the area of forestland has been expanding. Before the “Eighth Five-Year Plan”, the occurrence of forest pests and diseases has been expanding and spreading. During the “Eighth Five-Year Plan” period, on the one hand, due to the continuous improvement of the quality of afforestation and the strengthening of forest tending work, the quality of forest trees was enhanced and the ability of trees to withstand natural disasters was enhanced. On the other hand, the forestry departments at all levels have implemented the responsibility system for forest pest and disease control at various levels due to the strengthening of the legal system for resource protection and the monitoring, quarantine and prevention and control system for forest pests and diseases. The trend of forest pests and diseases have been effectively controlled. At the same time, some countermeasures are put forward to solve the existing problems in the construction of forest protection.