Land desertification is a manifestation of drying-up of lakes;

土地荒漠化的表现有：湖泊干涸；

It was human irrational activities that induced land desertification.

对土地的不合理利用导致了土地沙漠化。

Land desertification is the main ecological problem of northwest inland basin.

土地荒漠化是西北内陆河流域主要生态环境问题.

There must be intrinsic mechanism of land desertification behind these activities.

在这些破坏行为背后,存在着更深层次、更具决定性作用的荒漠化内在机制.

Ecological environment should be harnessed through controlling land desertification and utilizating woodland as permanent nature defence.

生态环境综合治理是通过防止土地沙漠化,因地制宜集中连片发挥林、草永久性屏障作用.

The land desertification system in the Naiman Banner consists of five subsystems, i. e. , farming, forestry, animal husbandry, grassland and population.

奈曼旗土地沙漠化系统由种植业、林业、畜牧业、草地和人口五个动态子系统构成。

The eco-environmental land desertification, as predominated by soil degradation, and shortage of water resources have been the serious problems in the dry and hot valleys of Jinshajiang River Area.

在金沙江干热河谷地区，存在以土壤退化为主要形式的土地荒漠化和水资源匮乏这两大生态环境问题。