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由于人们经营活动及自然灾害的影响，森林分布数量和质量都处在动态变化之中，为及时掌握森林资源现状及动态信息，针对性地提出相应经营措施，为宏观决策、指导生产及经营管理提供依据。
Due to the people’s business activities and the impact of natural disasters, the quantity and quality of forest distribution are in dynamic changes. In order to timely grasp the status quo and dynamic information of forest resources, pertinently put forward corresponding management measures to guide the production and operation and management Provide evidence.