Zonation of desert and sandy desertification land in North China based on remote sensing technology;

Geological views on the sandy desertification of the east part of northern China;

Evaluation of Productivity Based on the Distributed Dynamic Model of Soil Water in Sandy Desertification Area;

Since the United Nations' Conference on Desertification (UNCOD) in 1977, the scientific communities and many governments are focused on the sandy desertification and its impacts on environment from regional to global scale.

Evaluation of Ecological Security in desertification region in Desertification Region in Huailai County;

By studying ecological brittle situation of desertification region which is based Duolun county, results show the ecological security evaluation index system and construct principle , divide groups of coefficient by adopting quantity principle and method, definite coefficient weight by using related degree analysis, and put forwa.

Desertification is a serious environmental problem for human beings,in the desertification area of north China,genetic diversity,species diversity,ecosystem diversity and landscape diversity are abundant.