✔ 最佳答案
the impacts of desertification:
1.damage the ecology system
2.the economic and human activities are seriosly affected
3.decrease in crop yield
4.sandstorm and flooding
So, there is no good effect of desertification
2007-11-04 17:08:10 補充:
the impacts of desertification:1.damage the ecology system2.the economic and human activities are seriosly affected3.decrease in crop yield4.sandstorm and floodingSo, there is no good effect of desertification
參考: my geog. textbook