全球荒漠化变化态势及5联合国防治荒漠化公约6面临.pdf

18 6 Vol118 No16 2005 12 World Forestry Research Dec ,2005 56 贾晓霞 (, 100714) : 回顾了荒漠化问题的由来1977 年以来几次全球性荒漠化评估和国际社会对荒漠化问题的争议 过分析 1977~ 1991 年间全球防治荒漠化行动的失败原因和 5荒漠化公约6 面临的资金机制履约机制技 术转让与传播和荒漠化评估指标与基准等主要问题, 得出深入研究人为和气候因素对荒漠化的影响和全面 评估全球荒漠化态势对促进2005 年后全球履约进程具有重要意义 : 荒漠化, 联合国防治荒漠化公约, 荒漠化评估, 气候 : S 714173 : A : 1001- 4241(2005) 06- 0011- 06 Trends of Global Desertification and Challenges Facing UNITED NATIONS CONVENTION TO COMBATDESERTIFICATION Jia Xiaoxia (National Bureau to ombat Desertification, State Forestry Administration, Beijing 100714, hina) Abstract: This article reviewed the origin of / desertification0, previous global desertification assess- ments, and recent arguments on the causes and trends of desertification1Through analyzing reasons caus- ing failure of the global anti- desertification action programmes from 1977- 1991and challenges of finan- cial mechanism, implementation review mechanism, technical dissemination andtransfer and benchmark and indicators for desertification monitroing facing by UN D. It is concluded that deeply research on human and climatic impacts on desertification and comprehensive and standardized assessment on global desertification are significant to UN D implementation beyond 20051 ey words: desertification, UN D, assessment, climatic variation 1 [ 3~ 5] 111 1949 , , / 0