LINES OF DEMARCATION AND WAYS OF THE ECOLOGICAL CONSTRUCTION OF THE HUNAN’S WEST
分析了湖南西部的生态特征，提出生态建设与保护途径，包括恢复林草、保护生物多样性、控制水土流失等，并将该区域划分为四个生态区。
The ecological delimitation of the Hunan's West is very important. It influences this area's economic development and affects the safes of the Tongting lake area, Yuan and Li drainage. The essay analyses the basic ecological features of the area and provides the ways of ecological construction and protection. The ways are to renew forest and grass and not to cultivate on some sloping fields, to build ecological forest and trade one, to protect the living being's diversity, to control soil erosion, to develop the rural economy and so on. On the basis of the difference of the ecological environment, the area is divided into four ecological zones.