Subject
Arid regions
10
Deserts
3
Desertification
2
Desertification Control
2
Sustainable development
2
Water-supply
2
Agriculture
1
Arid regions Research
1
Arid regions agriculture
1
Desertification Research
1
Droughts
1
Endangered species
1
Geology
1
Grassland conservation
1
Grassland ecology
1
Human ecology Study and teaching
1
Hydrologic models
1
Hydrology
1
Irrigation
1
Irrigation Environmental aspects
1
Science
1
Water resources development
1
Water security
1
Water-supply Management
1