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河北省孟滦林管局位于河北省围场县境内,属燕山北部山区,北纬41°35′-43°12′,海拔650—1700M。一般阴坡较缓(10-26°),土层较厚。土壤多为在花岗岩母质或玄武岩母质上发育的森林棕壤,湿润肥沃,微酸性,很适合落叶松生长。建场以来,在阴坡及半阴坡、半阳坡荒山和迹地上营造了大量的落叶松人工林,年龄1—24年不等,品种有日本落叶松、兴安落叶松、朝鲜落叶松、长白落叶松及华北落叶松等,此外还有少
Hebei Menglun Forest Management Bureau is located in Weichang County, Hebei Province, which belongs to the northern mountains of Yanshan. It is 41 ° 35’-43 ° 12’N and 650-1700M above sea level. Generally shady slopes (10-26 °), thick soil. Soil mostly in the granite parent or basalt parent material on the development of forest brown, moist and fertile, slightly acidic, it is suitable for the growth of larch. Since the establishment of the site, a large number of larch plantations have been established on the shady slopes, semi-shady slopes, semi-sunny slopes and landmarks, ranging in age from 1 to 24 years. Varieties include Japanese larch, Larix gmelinii, Changbai and Larix principis-rupprechtii, in addition to less