Heavy metal contaminant in development process of artificial biological Soil Crusts in sand-land The influence of biological soil crusts on dew deposition and characteristics of soil surface in Gurbantunggut Desert Effects of two types of biological soil crusts on the germination of desert vascular plants under laboratory conditions Spatial distribution of soil properties covered by moss crusts on different scales EXPERIMENTAL STUDIES ON NATURAL REGENERATION AND ARTIFICIAL CULTURES OF MOSS CRUSTS ON FIXED DUNES IN THE TENGGER DESERT Effects of biological soil crusts on soil seed bank and seed germination of desert plants in North China Seasonal dynamics of soil net nitrogen mineralization under moss crust in Shapotou region, northern China.