Based on the history of Chinese film, this thesis divided Chinese prairie film since 1949 into four periods: newly established period, developing period, prosperity period and exploration period.

Ecological safety assessment of grassland based on entropy-right method: A case study of Gansu pastoral area;

Comment and counter measure to the state of the ecological system in Qiqihar grassland;

Research of grazing effects on greenhouse gas emission in Inner Mongolian grasslands;

Ecological study of land treatment system for municipal sewage in Steppe region;

Soil-vegetation system surround the fairy ring in steppe;

Classification of plant functional groups based on the energy attributes:a case study on the steppe community in Xilin River basin,Inner Mongolia;

Study on Method of Estimating Net Primary Production of Rangeland by Remote Sensing——A Case Study of Xilingol Grassland;

Feasibility and necessity of herdsmen s ecological migration in rangeland;

Rangeland tenure and rangeland ecological and environmental protection;

To a large extent,the Inner Mongolia prairie-as his second hometown-contributed to his success in literary circles.

Referencing to domestic and foreign present assessment systems on ecological habitation building and in consideration with the present economic level and development progress of ecological technology in Inner Mongolia,we establish an assessment system on ecological habitation building in conformation of Inner Mongolian prairie.

Effect of killing rodents in the grasslands of northwest Jilin province;

Here we analyze the multiple functions of grassland ecosystem services including pro- duction,sustainability,adjustment and culture protection as well as provide some practical solutions for restoration of degraded grasslands.