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吉林省汪清县大梨树沟、南沟、金矿沟、牛圈沟、老庙、石头河子六个林场位于老松岭南麓。在这六个林场辖区内,沿海拔高度800～1200公尺成带状分布万余公顷云、冷杉林,主要树种是臭松和鱼鳞松,这些云、冷杉林生长良好,每公顷蓄积量～般在200立方米以上。个别林班每公顷蓄积量高达357立方米。这些云、冷杉林,无论从树种、林相、出材量、经济价值或从森林的各种效益来看,都是现实最好的林分。 1973年农林部颁布的森林采伐更新规程第九条规定采育择伐适用于中小径木多、天然更
Large pear trees in Wangqing County, Jilin Province, South ditch, gold mine ditch, cattle circle ditch, the old temple, stone river six forest is located in the old Songling south. In the area of the six forest farms, more than 10,000 hectares of cloud are distributed along the altitude of 800-1200 meters. The fir trees and the main tree species are stinkbugs and scales, and the growth of these forests is good. The accumulation volume per hectare ~ As in more than 200 cubic meters. Individual forest classes per hectare volume up to 357 cubic meters. These clouds, fir forests, are the best of the best in terms of tree species, forest facies, timber production, economic value or various benefits from forests. In 1973, the Ministry of Agriculture and Forestry promulgated the rules of forest cutting and regeneration stipulated in Article 9 that seedling selection and cutting should be applied to small and medium size wood, natural and more