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东北西部及内蒙东部风沙区位于“三北”防护林地区东部,包括辽宁、吉林、黑龙江三省中,西有大兴安岭和辽西低丘陵;本区地势西高东低,由东向西依次为平原丘陵地.土壤为黑土、草甸土、黑钙土.气候夏季温暖湿润,春季少雨多风,气候变化无常.植物以樟子松、油松、赤松、杨、柳、沙棘等为主.全区热量由北向南递增,年平均气温为0～8℃,最冷月平均-24～-10℃,最热月平均气温21～25℃,无霜期120～170天,年降水量350～650mm.基本能满足喜凉至喜温植物一年
The western part of Northeast China and the eastern part of Inner Mongolia are located in the eastern part of the “Three Norths” shelter belt, including the Daxinganling and the western Liaoning hilly areas in the three provinces of Liaoning, Jilin and Heilongjiang. The terrain is high in the west and low in the east, followed by the plains The soil is black soil, meadow soil, chernozem.The climate is warm and humid in summer, less rainy and windy in spring, and climate change is impermanence.The plants are mainly Pinus sylvestris, Pinus tabulaeformis, Pinus sylvestris, Poplar, Willow and Seabuckthorn. Heat increases from north to south, the annual average temperature is 0 ~ 8 ℃, the coldest month average -24 ~ -10 ℃, the hottest month average temperature of 21 ~ 25 ℃, frost-free period of 120 to 170 days, the annual rainfall of 350 ~ 650mm. To meet the hi-hi to warm plants for one year