From the chorography of Yichang, we can see it is high in the west and low in the east, transiting from mountains to hills and then to plains. Here belongs to the sub-tropical monsoonal area. The average temperature ranges from 13℃ to 18℃. Abundant rain and warm wet weather are good for fauna and flora. Forests cover 49% of the region and provide the provincial largest wood accumulation bout 2.4 million m3. In some places like Wufeng and Houhe, you can still find the 3700 hectares of virgin forest left from the fourth period of ice age. 6 national forest gardens and 1 national nature reserve are spreading here, where more than 20 endangered animal species and 3000 endangered plants are living. Especial the dove tree among Houhe virgin forest carried on from the ice age around 100 million years ago, which is uncustomary at the 30℃ of north latitude and has been entitled as the living plant fossil. Besides, oranges, tea, mushrooms, pods and other local forest products are famous in the home and abroad markets.