Surface roughness characteristics of biological soil crusts and its influencing factors in the hilly Loess Plateau region, China The net growth rate of fine roots of Caragana korshinskii seedlings in the Loess Plateau region, Northwest Shanxi Cyanobacteria diversity in biological soil crusts from different erosion regions on the Loess Plateau:a preliminary result The Relationships of Environmental Factors and the Photosynthetic Characteristics of Psathyrostachys juncea ‘Mengnong No. 4’ in Loess Plateau Region Seedling banks and their relationship with the standing vegetation under different erosion environments in the hill-gully Loess Plateau region Effects of A rm en iaca sibirica-Astraga lus System on So il Physi-chem ica lProperties of the Hill and Gully Area on the Loess Pla teau Study on Soil Aggregate Stability and Soil Erodibility in the Grassland Vegetation of the Loess Plateau Region Developing strategy of grain crop production in Loess Plateau Region of China