Key Laboratory of Desert and Desertification;
Northwest Institute of Eco-environment and Resources;
Chinese Academy of Sciences;
Lanzhou 730000;
China;
State Key Laboratory Breeding Base of Desertification and Aeolian Sand Disaster Combating;
Gansu Desert Control Research Institute;
Lanzhou 730070;
China;
Gansu Minqin National Field Observation and Research Station on Ecosystem of Desertification Rangeland;
Minqin 733000;
China;
University of Chinese Academy of Sciences;
Beijing 100049;
China;
TWINSPAN; classification; ordination; desert; plant; groundwater; oasis-desert; ecotone; species-environment; relationship; Minqin;