Over the period of Three Gorges Project(TGP),from the middle 1990's up to the present the landscape in three Gorges Reservoir area has been changed enormously.The frangible eco-environment system is being threatened by excessive and careless reclamation in this area.Meanwhile,the economic development level is relatively low.The area is faced with problems such as over-population,less cultivatable land,environment degradation and poor economic conditioin.The conflict between economic growth and the eco-envir...