白石砬子林场位于辽宁省东部山区,宽甸县的东北部,境内山脉纵横,属长白山余脉千山山系。森林分布属长白山阔叶红松林带的南部边缘,原生植物群落都是以红松、鱼鳞松、沙松、臭松等针叶树为主的异龄复层针阔混交林。混生的阔叶树有枫桦、紫椴、色木、蒙古柞、山杨、裂叶榆、核桃楸、水曲柳、黄波萝、花曲柳等。在七、八十年以前,在林场范围内有些地方还是以红松为主的原始林。目前在高山上腹,采运木材比较困难的地方,仍可看到这种原始针阔混交林的残迹。这种混交林由于以高大笔直 Baishidanzi Forest Farm is located in the eastern mountainous province of Liaoning Province, the northeast of Kuandian County, the territory of the vertical and horizontal mountains, is the Changbai Mountain Veins Qianshan Mountains Department. Forest distribution is the southern edge of the broad-leaved Korean pine forest in Changbai Mountain. The native plant communities are coniferous and broad-leaved mixed forests dominated by coniferous pine, Pinus sylvestris, Mixed broadleaf trees are maple birch, Tilia amurensis, color wood, Mongolia oak, aspen, Crassulaceae, Juglans mandshurica, Ash, Huang Bromeliad, Frangipani and so on. Seven or eight years ago, some areas within the range of forest farms were dominated by koraiensis. Currently in the upper abdomen, harvested wood more difficult places, you can still see this remnants of the original coniferous and broad-leaved forest. This mixed forest due to tall and straight