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资兴市国营天鹅山林场,总面积11.26万亩,山地面积10.76万亩,位于八面山余脉,海拔量高2000米,最低200米,一般600米上下;坡度一般15—45度;成土母岩,东半部以板页岩为主,西半部以花岗岩为主;原有山地,大部是荒山和灌丛,少部是残林和败竹。从1958年建场以来,年年造林育林,到1983年,全场森林蓄积量共约10万立方米,按山地总面积亩平仅约1立方米左右,明显地没有发挥山地的潜力。因此,全场职工决心营造速生
Zixing State-owned Swan Hill Forest Farm, with a total area of 112,600 mu, a mountainous area of 107600 mu, located in the mountains of the Bamei Mountains, the altitude of 2000 meters, the lowest 200 meters, usually 600 meters; slope generally 15-45 degrees; into Soil rock, the eastern half of the main plate shale, mainly in the western half of the granite; the original mountain, most of the barren hills and shrubs, a small part of the residual forest and defeated bamboo. Since the establishment of the site in 1958, every year afforestation, by 1983, the audience of about 100,000 cubic meters of forest reserves, according to the total area of ?? mountain acres is only about 1 cubic meters, apparently did not play the potential of mountains. Therefore, the audience determined to create a fast-growing workers