Desertification Flashcards
1
Q
Desertification
A
expansion of arid conditions into a nonarid environment
2
Q
major causes of desertification
A
poor grazing management
cultivation of marginal lands
deforestation
destruction of vegetation in arid regions
expanding human population
urbanization
incorrect irrigation practices leading to salinization
environmental protection as a low priority
3
Q
most endangered regions are near the world’s five main deserts
A
Sonoran Desert (NW Mex. & SW US) Atacama Desert in S. America Kalahari Desert in S. Africa most of Australia large desert mass made up by the Sahara, Arabian, Great Indian, etc.
