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东北地区包括辽、吉、黑三省和内蒙古东部四盟,为一个完整的自然经济区域,本区内森林资源丰富,自古称著于世。从地质年代第四纪之后,本区植物群落基本形成,大兴安岭南北两坡分布茂密的寒温带针叶林,小兴安岭、完达山、老爷岭、张广才岭以及长白山林区生长的红松为主的针阔叶混交林。林区的特点是珍贵树种较多,如红松、落叶松、云冷杉、樟子松等针叶树种,椴、水曲柳、黄菠萝等阔叶树种。林区内动、植物种类繁多,经济价值较高,如出产著名的东北虎、驼鹿、紫貂、黑熊等
The northeast region includes the Liao, Ji and Black provinces and the four unions in the eastern part of Inner Mongolia. As a complete natural economy region, the region boasts rich forest resources and has been known to the world since ancient times. After the Quaternary period of geology, the plant communities in this area basically formed. The cold-temperate coniferous forest with dense distribution in north and south slope of Daxinganling Mountains, Xiao Hinggan Mountains, Wandashan, Laoye Ridge, Zhangguangcai Ridge, and Korean pine growing in Changbai Mountain Broad-leaved mixed forest. Forest is characterized by more precious species, such as Korean pine, larch, fir, Pinus sylvestris and other conifer species, linden, ash, yellow pineapple and other broadleaf species. Forest area, plant a wide range of high economic value, such as the production of the famous tiger, moose, sable, black bear, etc.