全球荒漠化现状和我国荒漠化研究的动向

介绍了联合国环境规划署对全球荒模化的最新评估和我国荒漠化研究的动向。荒漠化最近定义为:荒漠化是指包括气候变异和人类活动的多种因素造成的干旱、半干旱地区和亚湿润地区的土地退化，研究领域非常广泛。我国荒漠化研究在过去的条件下，将大部分力量投入上述荒漠化研究的一部分，即:我国北方地区沙质荒漠化的研究已取得丰硕成果。目前除了在该领域进一步研究其机制及在不同地区建立试验示范基地探讨整治模式外，已按“国际防治荒漠化公约”的要求，向广义荒漠化研究扩展。鉴于国内外荒漠化研究在学术上仍存在较大分歧，为了进一步与国际接轨，笔

The Status of Global Desertification and the Trend of its Researches in China

Briefly introduce the most up-to-date global desertification assessment given by UNEP and the trend of researches into desertification in China.The latest definition is that "desertification" means the land degradation in arid,semi-arid and sub-humid areas resalting from various factors,including climatic variations and human activities.China have made a lot of effort in a part of the research on desertification which calls the sandy desertification in the north of China and have got a great achievements.At the present time,except the further researches on its mechanism,experimental model area established in different areas and the probe into treatment model,the broad sense researches on desertification has been made.In view of the different viewpoints to desertification research at home and abroad,the paper raises some suggestions for reaching a common understanding.