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达县地区位于四川东北部大巴山南麓,海拔2900m,属亚热带气候,年平均气温为16.7℃,无霜期234.8天,年平均降雨是为1147.3mm,相对湿度80.5%,日照1412.5小时,蒸发量1213mm.冬暖接春旱,夏旱连秋涝.林业用地1627.8万亩,森林复盖率为 20.3%,加上四旁林网和灌木林地,复盖率为24.65%,立木蓄积量2097万m~3.国有森林200余万亩,集体森林700余万亩,(其中私有林约300余万亩)是四川内地重点林区之一.
Daxian County is located in the south foot of Daba Mountain in northeastern Sichuan, with an elevation of 2900m and a subtropical climate. The annual average temperature is 16.7 ℃, the frost-free period is 234.8 days, the average annual rainfall is 1147.3mm, relative humidity 80.5%, sunshine 1412.5 hours, evaporation 1213mm The winter and warm spring drought, drought and even the autumn floods. Forestry land 16,278,000 mu, the forest coverage rate of 20.3%, plus the four sides of the network and shrubbery forest coverage rate of 24.65%, stock volume 20970000 m ~ 3. More than 200 million mu of state-owned forests and over 7 million mu of collective forests, of which more than 300 million are private forests, is one of the key forest areas in the hinterland of Sichuan.