Abstract:Research area was located in the oasis-desert intermediate zone on the other edge of Liujiadi Village in Minqin Country, at the transitional belt between Badanjilin desert and Tenggeli desert, where a 2 km sample belt, was established, along the prevailed direction of wind causing desertification. With 3 different gradient types of vegetation coverage (Tamarix ramosissima shrub sand dune, Nitraria sibirica shrub sand dune and shifting sand dune) as the research subjects, such ecological factors as water, so...