Research field and direction: mainly engaged in teaching and scientific research in forest resources investigation, ecological restoration in arid areas and application of remote sensing technology. Main research projects: He has presided over and participated in 10 several scientific research projects, the National Natural Science Foundation "Study on Physiological and Ecological Responses of Main Woody Plants in the Lower Reaches of Tarim River to Emergency Water Delivery and Their Stress Resistance Mechanism" (2005-2007), and the key scientific and technological project of the Ministry of Education "Vegetation Restoration and Remote Sensing Measurement in the Lower Reaches of Tarim River" (20/kloc-0-20/kloc-0 "Evaluation on the Restoration of Suitable Functional Conditions of the Ecosystem in the Lower Reaches of Tarim River" (2005-2007), the scientific research project of universities in the autonomous region "Research on the Health Restoration of the Degraded Ecosystem in the Lower Reaches of Tarim River" (XJEDU2004 1 19, 2005-2007); 3. The project of the Department of International Cooperation of the Ministry of Education "Study on the Restoration Mechanism of Degraded Ecosystem in the Lower Reaches of Tarim River" (2005-2007) and many other topics. Major awards approved: Recently, representative works and research papers won the second prize of Dayu Science and Technology Progress Award from the Ministry of Water Resources: 1, Zhang Huifang, Li Xia. Spatial distribution pattern analysis of Populus euphratica population in the lower reaches of Tarim River. Acta Botanica Northwest, 26, 2006 (10): 2125-2130.2. Li Xia. Establishment of remote sensing model for vegetation restoration in the lower reaches of Tarim River. Remote sensing of land and resources, 2008, (2):79-83. 3. Niu Ting, Li Xia, Yao, Guo Yuchuan and Shi Ruihua. Analysis of NDVI difference before and after ecological water transfer in the lower reaches of Tarim River. Journal of Natural Resources, 2008,23 (5): 858-864. 2008, (5):68-72.5, Yin Yebiao, Li Xia, Guo Yuchuan, Zhao Zhao, Fu. Analysis of landscape spatial pattern changes in Yanqi basin in recent 44 years. Xinjiang Agricultural Sciences, 20 10/0,47 (7):1450-650. 2011,31(5):1221-kloc-0/225. [7] Niu Ting, Deng Mingjiang, Li Xia. Landscape prediction of the lower reaches of Tarim River based on Markov model. Remote sensing information, 206543. Extraction and analysis of forest canopy QuickBird image information in the lower reaches of Tarim River. Acta Botanica Sinica, 201,31(9):1878-1885.