Next to exploitative logging, the accelerated but inadequate farming of this land has caused increasing flood hazards in downstream areas, siltation of valleys and water reservoirs which have made S.

• 掠夺性砍伐之后，这种土地不合理耕种的日益增多已引起下游水灾增多，河谷和水库淤塞，使东南亚成为近年来全世界侵蚀最严重的地区。