The Vegetation of Qaidam Basin and its Surrounding Mountains Palynological Evidence for the Tertiary Petroleum Source of the Qaidam Basin Preliminary study on the Blue-Green Algae Community of Arid Soil in Qaidam Basin Water sources of five dominant desert plant species in Nuomuhong area of Qaidam Basin THE VEGETATION OF DA QAIDAM BASIN IN QINGHAI PROVINCE Cadmium accumulation in soil and risk prediction in the Qaidam Basin