1. Land-Use systems
2. Plants ecology
3. Animals ecology
4. water and irrigation
5. Biodiversity
6. Desertification
7. Salination and Salinity
8. Social systems and ecology
9. Strategies for economic and environmental development
1. Land-Use systems
2. Plants ecology
3. Animals ecology
4. water and irrigation
5. Biodiversity
6. Desertification
7. Salination and Salinity
8. Social systems and ecology
9. Strategies for economic and environmental development