With the process of the sandy desertification in grassland, the contents of clay decreased.

Grassland degradation and desertification have become one of the prominent environmental problems in the Zoig ê area.

草地退化、土地沙化等问题已成为若尔盖地区突出的环境问题之一.

Desertification of various degrees have been happening source region of Yangtze River.

长江源区存在不同程度的沙化现象,沙地种类多样,分布广泛.

Essentially , soil erosion is the key causing rocky desertification.

水土流失是石漠化过程中一个关键环节.

The karst areas of south China are vulnerable ecological regions, where rocky desertification is widely developed.

中国南方岩溶区是石漠化广为发展的脆弱生态区域.

Consulting other desertification assessment standard and considering the opinion of experts, brought forward desertification assessment standard.

参考其它地区的荒漠化评价标准,并充分考虑专家的意见后, 提出了本文的荒漠化评价标准体系.

Therefore, the process of desertification control is the SD process.

沙漠化全面治理的过程正是沙漠化地区向可持续发展的过程.

The soil desertification in northern part of Hebei province is getting more and more serious.

河北省北部地区土壤沙化有日趋发展之势.

A third of Africa is under threat of desertification.

非洲有三分之一的土地面临荒漠化的威胁。

Abstract: Desertification is the serious environmental and social economy problems.

文摘: 荒漠化是当今世界严重的环境与社会经济问题.

This result reveals habitat fragmentation caused by the desertification in this region.

这一结果揭示了荒漠化过程引起的生境破碎化.

The desert in the northwest is gradually expanding, leading to serious desertification and frequent sandstorms.

西北地区沙漠逐渐扩展, 荒漠化日益严重,沙尘暴频繁发生.

The happening of regional desertification system is stochastic, complicated and multicomponent.

区域荒漠化发生是随机的 、 复杂的,多元的复杂系统.

Relationship between drought and desertification, famines and locust disaster was studied inthis paper.

本文研究了干旱和沙漠化 、 旱与饥荒、旱与蝗灾的关系.

The salinization is one of the main types desertification and the land degradation.

盐渍化是荒漠化和土地退化的主要类型之一.

Desertification is a disaster for the natural environment.

沙化是自然环境的大患.

M : And the worsening desertification is another major reason.

日益严重的沙漠化是另一个重要原因.

Ban addressed a U . N. conference to combat desertification Wednesday in Madrid.

潘基文星期三在马德里举行的控制沙漠化联合国会议上发表上述讲话.

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.

Achievements have been made in desertification prevention and control.

防沙治沙工作取得积极效果.

The paer analyses Causes of TaiLai desert and forward control measures of desertification.

本文介绍了泰来沙地形成的原因,提出了土地沙化的防治措施.