The dry-hot river valley is one of the site types with the worst ecological environment in the world.

Study on the models of conversion of cropland to forest and grassland in dry hot and arid river valley subregions & hilly ravine subregions of loess plateau.;

Ecological problems of primary dry valleys is Southwest China and advances in the researches into them;

Differences in growth and reproductive characters of Rosa hugonis in the dry valley of the Upper Minjiang River,Sichuan;

Species diversity and floristic characteristics of woody plants in the dry valley of the Bailong River,China;

Determination of species-area relationships and minimum sampling area for the shrub communities in arid valley in the upper reach of the Minjiang River;

Analysis on the environmental and spatial factors for plant community distribution in the arid valley in the upper reach of Minjiang River;

Characteristics of main herb populations in the arid valley of the Minjiang River;

Analysis on the climatic adaptability of grape in the Dry River Valleyof the Upper Reaches of Minjiang River;

With abundant sunlight and heat, there ai resourceful advantages to develop characteristic agriculture given priority to grape and other temperat defoliated fruit trees in the dry river valley.