主要从事区域生态、全球变化和碳循环以及退化生态系统重建等方面的研究工作。先后主持国家“十五”攻关、“十一五”支撑、农业成果转化项目、“973”项目专题、国家自然科学面上基金和欧盟合作项目等。目前在研项目有5项。获2003年度教育部自然科学一等奖（排名第四）和2007年度甘肃省科技进步二等奖（排名第四）。近5年来发表论文40余篇，主要代表性论著有：Liu Guohua, Liu Zhanfeng, Wu Gang, Dai Limin. The impact of tourism on agriculture in the Lugu Lake region. International Journal of Sustainable Development and World Ecology, 2008；Wu Yaqiong, Liu Guohua*, Fu Bojie, Hu Huifeng, Liu Zhanfeng. Comparing soil CO2 emission in pine plantation and oak shrub: dynamics and correlations. Ecological Research, 2006, 21: 840-848；Yang RJ, Liu Guohua*, Zhao JZ, Fu BJ. 2005. Eco-environmental benefit assessment of the western route in China’s South-North Water Transfer Project. International Journal of Sustainable Development and World Ecology, 12(4): 461~470. 招生专业：生态学

研究员

　　1. Li Zongshan, Liu Guohua*, Fu Bojie, Zhang Jinlong. The potential influence of seasonal climate variables on the net primary production of forests in Eastern China. Environmental Management, 2011, 48: 1173-1181. 

　　2. Jin Tiantian, Fu Bojie, Liu Guohua, Z Wang. Hydrologic feasibility of artificial forestation in the semi-arid Loess Plateau of China. Hydrology and Earth System Sciences Discussions, 2011, 8:1-28. 

　　3. Ruiying Chang, Bojie Fu, Guohua Liu, Shuguang Liu. Soil Carbon Sequestration Potential for ‘‘Grain for Green’’ Project in Loess Plateau, China. Environmental Management, 2011, 48:1158–1172. 

　　4. Jin Tiantian, Liu Guohua*, Fu Bojie, Ding Xiaohui, Yang Lei. Assessing adaptability of planted trees using leaf traits: a case study with Robinia pseudoacacia L. in the Loess Plateau, China. Chinese Geographical Science, 2011, 21(3):290-303. 

　　5. Zhanfeng Liu, Bojie Fu, Xiaoxuan Zheng, Guohua Liu*. Plant biomass, soil water content and soil N:P ratio regulating soil microbial functional diversity in a temperate steppe: A regional scale study. Soil Biology & Biochemistry, 2010, 42:445-450. 

　　6. Xiao-Xuan Zheng, Guohua Liu*, Bo-Jie Fu, Tian-Tian Jin, Zhan-Feng Liu. Effects of biodiversity and plant community composition on productivity in semiarid grasslands of Hulunbeir, Inner Mongolia, China. Annals of the new york academy of sciences, 2010, 1195:E52-E64. 

　　7. Chanjuan Hu, Bojie Fu, Guohua Liu, Tiantian Jin, Lei Guo. Vegetation patterns influence on soil microbial biomass and functional diversity in a hilly area of the Loess Plateau, China. J Soils Sediments, 2010, 10:1082-1091 

　　8. Zhanfeng Liu, Guohua Liu, Bojie Fu, Yaqiong Wu, Huifeng Hu, Shenglei Fu. Changes in the soil microbial community with a pine plantation restoration in a dry valley of the upper reaches of the Minjiang River, southwest China. Annals of the new york academy of sciences, 2010, 1195:E82-E95. 

　　9. Liu Guohua, Liu Zhanfeng, Wu Gang, Dai Limin. The impact of tourism on agriculture in the Lugu Lake region. International Journal of Sustainable Development and World Ecology, 2008, 15(1):3~9. 

　　10. Dong Rencai, Yu Lijun, Liu Guohua*. The impact of tourism development on land-cover change in a matriarchal community in the Lugu Lake area. International Journal of Sustainable Development and World Ecology, 2008, 15(1): 28-35. 

　　11.        Wu Yaqiong, Liu Guohua*, Fu Bojie, Hu Huifeng, Liu Zhanfeng. Comparing soil CO₂ emission in pine plantation and oak shrub: dynamics and correlations. Ecological Research, 2006, 21: 840-848.