1. Increasing terrestrial vegetation activity in China;Fang;Science in China (Series C),2003
2. Temporal and spatial change of vegetation cover in the Northwest of China and factors analysis influencing on vegetation variation;Xu;Environment Science,2007
3. The analysis of the oasis environmental change and its reason of the lower reaches of the arid region—a case study of Mingqin County in the lower reaches of Shiyang River in Hexi corridor, Gansu Province;Yang;Human Geography,2003
4. The variability of NDVI over Northwest China and its relation to temperature and precipitation;Li;Journal of Remote Sensing,2005
5. Satellite remote sensing of primary production;Tucker;International Journal of Remote Sensing,1986