Key Laboratory of Western China's Environmental Systems (Ministry of Education);
College of Earth and Environmental Sciences;
Lanzhou University;
Lanzhou 730000;
China;
Key Laboratory of Environment Change and Resources Use in Beibu Gulf (Ministry of Education);
Nanning Normal University;
Nanning 530001;
China;
Key laboratory of Agro-ecological Processes in Subtropical Region;
Institute of Subtropical Agriculture;
CAS;
Changsha 410125;
China;
spatial; change; habitat; quality; landscape; pattern; plant; biodiversity; conservation:; InVEST; model; Bailongjiang; watershed; in; Gansu; Province;