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湖南绥宁黄双林区地处沅江上游,是五岭山系和雪峰山系交接地段。气候冬暖夏凉,夏季最热的7月平均气温25.5℃,冬季最冷的1月平均也有4.6℃,植物生育期9个多月。降雨量充足、均匀而稳定,土壤疏松肥沃。森林植物种类繁多。茂密的树林使这里山青水秀,野生动物资源丰富。形成良好的森林生态系统。丰富的植物资源黄双的森林是次生天然林,面积约有23万亩,蓄积量161万立方米,平均每亩7立方米,最多的如铁杉群落每亩56立方米。黄双属中亚热带常绿阔叶林带,全区有木本植物99科605种。其中有珍贵树种193种,古老孑遗
Suining, Hunan Huang Shuanglin District is located in the upper reaches of the Yuanjiang, is the Wuling Mountains and Xuefeng Mountain Department handover area. The climate is warm in summer and cool in summer. The hottest July temperature in summer is 25.5 ℃. The coldest January in January is also 4.6 ℃. The plant growth period is more than 9 months. Adequate rainfall, uniform and stable, loose and fertile soil. A wide range of forest plants. Lush forests make this beautiful, rich wildlife resources. Form a good forest ecosystem. Rich plant resources Yellow double forest is a secondary natural forest, an area of about 23 million mu, stock volume of 1.61 million cubic meters, an average of 7 cubic meters per mu, up to as hemlock communities per acre 56 cubic meters. Huang double subtropical evergreen broad-leaved forest belt, there are 605 families of woody plants 605 species. There are 193 species of precious trees, ancient relics