大兴安岭林区是祖国北方重要生态屏障,拱卫着东北黑土地免受风沙侵蚀,在国家生态建设全局中具有特殊重要地位。那里有我国纬度最高、面积最大、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 The Greater Xing’an Mountains forest region is an important ecological barrier in the northern part of the motherland. It plays an important role in protecting the black soil in northeast China from wind and sand erosion and plays an important role in the overall national ecological construction. Where there is China’s highest latitude, the largest area, the most concentrated state-owned forests, the ecological status of the most important forest ecological function area and the strategic reserve of timber resources in the maintenance of national ecological security, gas response