The quota is uncertain. The number of scientific research teams in chinese national geography is uncertain every year, and the specific number is determined by the Chinese Geographical Society after strict preliminary examination and review according to the project demand and budget. Geography is a subject that studies the spatial distribution law, time evolution process and regional characteristics of spatial geographical elements or geographical complexes on the earth's surface. It is the intersection of natural science and social science, and has the characteristics of comprehensiveness, intersection and regionality.