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甘肃省天然林的构成以针叶林占优势 ,针叶树种约计 36种。其中 ,冷杉林在各类针叶林中居于重要地位 ,各龄林面积占全省森林面积的 30 % ,蓄积量曾经占全省森林总蓄积量的 55%。有巴山冷杉 (A biesfargesii)、岷江冷杉 (A .faxoni ana)、秦岭冷杉 (A .
The composition of natural forests in Gansu Province is dominated by coniferous forests, with about 36 species of coniferous species. Among them, fir forest in various types of coniferous forest occupies an important position, the age of the forest area accounts for 30% of the province’s forest area, the volume of the province once accounted for 55% of the total volume of forest. A biesfargesii, Minjiang fir (A. faxoni ana), Qinling fir (A.