Desertification
Across
- 2. the process gradual weathering by wind or water
- 5. extended periods in which regions receive little to no rainfall
- 7. _______ period, time in which soil rests and regenerates nutrients
- 8. continent on which desertification does not occur
- 11. process of land degradation
- 15. desert that spans southern Mongolia and Northern China
Down
- 1. exploitation and destruction of wooded resource
- 3. desert in Africa
- 4. carrying _________, the maximum population of a species an environment can sustain indefinitely
- 6. excessive exposure of vegetation to livestock activity causing damage to environment
- 9. dry climate
- 10. _________ threshold, regarding environmental degradation, known as the “tipping point” with irreversible effects and steady decline towards ecological extinction
- 12. salt deposition and accumulation left by evaporated water
- 13. method of watering large-scale agriculture
- 14. cultivation of crops