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云南松,是我国西南亚热带山区主要的常绿针叶用材树种之一,云南、四川、贵州及广西等省区,北纬23°—29°、东经79°30＇—106°之间均有分布,而以云南分布最广。在云南,云南松林区面积约为8926万亩,占全省森林面积的65%;林木蓄积4亿多立方米,占总蓄积的31%。 云南松林区,地处横断山脉、云贵高原及四川盆地南缘,金沙江、澜沧江、怒江、元
Pinus yunnanensis is one of the major evergreen coniferous timber species in the southwestern subtropical mountainous regions of China. Yunnan, Sichuan, Guizhou and Guangxi provinces are distributed between 23 ° -29 ° North latitude and 79 ° 30’-106 ° East longitude , While the most widely distributed in Yunnan. In Yunnan, the area of Songlin District in Yunnan Province is about 89.26 million mu, accounting for 65% of the total forest area in the province. The forest reserves more than 400 million cubic meters, accounting for 31% of the total. Yunnan Songlin District, located in the Hengduan Mountains, Yunnan-Guizhou Plateau and the southern margin of the Sichuan Basin, Jinsha River, Lancang River, Nu River, Yuan