草原沙漠化
Grassland desertification
sandy desertification on grassland
grassland desertincation
半干旱风沙草原区
Semi-arid sandy grassland
糙隐子草草原
Cleistogenes squarrosa steppe
川西北沙化草地
grassland under desertification in northwestern Sichuan
高寒草原草地
high mountain meadow soil
高寒沙化草地
Alpine sandy grassland
alpine grassland
Alpine desertified meadow
荒漠化草原
Grassland desertification
冷蒿和小禾草草原
Artemisia frigida and short-grasses community