东北,古称辽东、关东、关外、满洲,是中国东北方向国土的统称,包括辽宁省、吉林省、黑龙江省和内蒙古东部(即“东四盟市”:呼伦贝尔市、兴安盟、通辽市、赤峰市)。东北历史悠久,战略位置重要,自然资源丰富,物产富饶,各民族友好团结。东北经济区在全国经济发展中占有重要地位。东北地区是中华文明的发祥地之一,这里地域广阔,气候类型多样。冬季长达半年以上,雨量集中于夏季。森林的覆盖率 Northeast, the ancient name of Liaodong, Kanto, customs, Manchuria, is China’s northeast direction collectively, including Liaoning Province, Jilin Province, Heilongjiang Province and the eastern part of Inner Mongolia (ie, “East League City”: Hulunbeir, Xing’an League, Tongliao , Chifeng City). Northeast China has a long history, strategic position, rich natural resources, abundant resources and friendship and solidarity among all ethnic groups. The Northeast Economic Zone occupies an important position in the national economic development. Northeast China is one of the cradles of Chinese civilization, where the vast territory and diverse climate types. More than six months in winter, rainfall concentrated in the summer. Forest coverage