土地荒漠化问题研究现状与展望

本文从荒漠化问题的严重性及对这一问题的进展、荒漠化问题研究的趋势和中国的荒漠化问题等三个方面全面观察了世界及我国对荒漠化这一问题的识认过程,存在的问题及今后研究发展趋势。

CURRENT SITUATION AND PROSPEC OF LAND DESERTIFICATION PROBLEM

Desertification is an important envlronmental problem in the world today,there are 900 million people In 100 countrle、exposed to desertification.In 1977 the concept of desertification was defined by UNCOD as follows: "Deseartification is the diminution or destruction of the biological potential of land,and can lead ultimately to desert-like conditions.It is an aspect of the widesPread deterioration of ecosyostem,and has adminished or destroed the biological potential,i.e.plant and animal production,for multiple use purposes at a time when increased.Productivity is needed to support growing pnpulation in quest of development."