Analysis of Ecological Risk on Land-Use in West Songnen Grasslands——A case study of Dumeng County;

Landscape pattern change and prediction on county scale of west Songnen grasslands: A case study of Dumeng County;

Based on the data of soil collembola collected in the Songnen grasslands of different treatments from May to October in 2005,the community parameters such as group number,individual density,and diversity index were calculated.

Above ground biomass dynamics and comparative study of two Lespedeza species on Songnen grassland;

Research into improving the secondary naked saline-alkali patches by seeding Chloris virgata in Songnen grassland;

Study on the Dynamics and Community Structure of Macrofauna at Different Succession Stages in Songnen Grassland;

Effect of mowing practice on soil nematode community in alkalinized grasslands of Leymus chinensis in Songnen Plain;

Effects of mowing practice and fencing enclosure on the soil collembola community in an alkalinized grassland of Leymus chinensis in Songnen Plain;

The changing pattern of Aneurolepidium chinense fuel moisture was studied in order to discover the changing pattern of Aneurolepidium chinense fuel flammability in Songnen Plain.

Ecohydrological functions of litter in three main plant communities on Songnen grassland;

Effect of Lasisus flavus (Fabricius) on Soil Physicochemical Properties of the Songnen Grassland;

Effect of the Lasisus flavus in Songnen grassland on structure and biomass of the Leymus Chinensis community;

Niche relationships among the main herbaceous plant species and their responses to flooding disturbance on the Songnen Steppe, northeastern China;

Impacts of Climate Change on Soil Water Balance and Grassland Productivity in the Songnen Steppe;