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武陵山脉位于湖南西北角,呈东北西南走向。西接四川,北与湖北鄂西山地相连,东临洞庭湖冲积平原,南抵湖南花垣、古丈等湘西中山低山区,包括澧水流域的全部和沅水支流的酉水流域上、中游部分。武陵山脉年平均温度16℃-17.3℃,无霜期比同纬度的东部地区长,多年变化幅度在240-303天左右。年降雨量1200-1600毫米,雨日在138-180天左右。年平均相对湿度在77％以上波动。温度垂直变动为每上升1000米约降低10℃左右。日温
Wuling Mountain is located in the northwestern corner of Hunan, northeast to northeast. West of Sichuan, Hubei and Hubei in the north is connected to the mountains, east of Dongting Lake alluvial plain, south of Hunan Huayuan, Guzhang and other low mountains in western Zhongshan, including the Huang River basin and the tributaries of the Yanshui tributaries of the upper and middle reaches . Wuling mountains average annual temperature of 16 ℃ -17.3 ℃, frost-free period than the same latitude in the eastern region long, many years of change in about 240-303 days. Annual rainfall of 1200-1600 mm, rainy days in 138-180 days. The average annual relative humidity fluctuates above 77%. Vertical temperature changes for every 1000 meters rise about 10 degrees lower. Day temperature