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岷江上游,森林资源丰富,是我省重要的林业基地之一.解放前,在汶川、理县、茂汶等县交通方便地方已经采伐利用,至今仍然留下了大面积的荒山迹地.解放以来,由于我国社会主义建设的需要,理县、黑水、汶川及松潘等县的森林逐步得到开发利用.其中川西林业局经营范围的森林资源开发利用较早,资源蓄积量已临近枯竭边缘,营林更新工作也有二十多年历史,加之我国最早的暗针叶林定位站也在该局夹壁地区,目前迹地上更新的云杉及桦木等正在相继成林,但还不能接替利用.而松潘和毛尔盖林业局正在开发利用.对于这样一个地形复杂、山高坡陡的岷江上游林区,其森林资源经营利用的合理与否,直接关系到我
The upper reaches of the Minjiang River is rich in forest resources, and is one of the important forestry bases in our province. Before the liberation, the convenient traffic of Wenchuan County, Lixian County and Maowen County had been harvested and utilized, still leaving a large area of barren mountains until liberation Due to the need of socialist construction in our country, the forests in counties, Heishui, Wenchuan and Songpan counties have been gradually developed and utilized, among which forest resources exploitation and utilization in the management scope of Chuanxi Forestry Bureau are earlier and the resource accumulation is near the edge of depletion Lin update work has more than 20 years of history, combined with China’s first dark coniferous forest positioning station is also the Bureau of the wall area, the current track of the spruce and birch, etc. are being updated, but can not take over. Songpan and Mauritai forestry bureau is developing and utilizing.For such a terrain complex, steep slopes of the Minjiang River upstream forest area, the rational use of forest resources or not, is directly related to me