To provide information on vegetation patterns and altitudinal distributions of pollen assemblage in surface soil layers,their complicated relationships in a dry
This study seeks a routine to quantify spatial pattern of land cover changes in semiarid environment of China based on post-classification comparison method. Th
This paper,based on the analysis and calculation of the groundwater resources in an arid region from 1980 to 2001,put forward the concept of ecological groundwa
Remote sensing is a valuable and effective tool for monitoring and estimating aboveground biomass(AGB) in large areas.The current international research on biom