Desertification Assessment in China: The State-of-Art, Problems and Solution Measures
YANG Xiao-Hui-；Zhang-Ke-Bin-；Ci-Long-Jun
1 Research Institute of Forestry, Chinese Academy of Forestry, 100091; 2 College of Soil and Water Conservation, Beijing Forestry University, 100083:Beijing,China
Abstract：Desertification is a globally environmental problem, the accurate assessment to its status, change and trend will be instrumental in global action against it. As one of the most serious desertified-affected countries, the trend of improvement in part and worseness in the whole in China is still continuous. Grand West Development is challenging the fragile dryland ecosystem in the circumstance of heavy population press and projected global change, desertification assessment in China will be guarantee for successful decision-making and implementation of this strategy. This paper overviews the state-of-art of desertification assessment at national and local scales, and puts forward several existing problems including uncertainty of assessment baseline, unavailability of indicator system and randomicity of data sources selection, and correspondently scientific and applicable based solutions are discussed.
2004, Vol. 2 
