大小兴安岭林区是我国面积最大、纬度最高、国有林最集中、生态地位最重要的森林生态功能区和木材资源战略储备基地,在维护国家生态安全、应对气候变化、保障国家长远木材供给等方面具有不可替代的作用。长期的高强度开发,导致林区生态功能退化、可采林木资源锐减、林区民生困难、经济社会发展滞缓等矛盾和问题 Huxingxian’anling forest area is the largest reserve area with the highest latitude, the most concentrated state-owned forest and the most important ecological status in China. It is also a strategic reserve base for timber resources. In terms of maintaining national ecological security, coping with climate change and ensuring long-term timber supply to the country Has an irreplaceable role. Long-term high-intensity development leads to the deterioration of ecological functions in forest areas, sharp reduction of recoverable forest resources, difficulties in people’s livelihood in forest areas, and the stagnation of economic and social development.