Research purposes: The researches are done on the vegetative propogation law of little wormwood in the summit area of Tanggula Mountain along Qinghai-Tibet Railway for the purpose of guiding the vegetation recover in the course of construction of Qinghai-Tibet Railway.

The impact of grazing on the activities of soil enzymes and soil environmental factors in alpine Kobresia pygmaea meadow;

A Study on the plant population phenology in a Qinhai-Tibet plateau Kobresia pygmaea meadow;

Effect of fertilizing nitrogen rate and time on Kobresia pygmaea meadow grassland;

Niche of main plant populations on a warm-seasonal pastureland of alpine Kobrecia parva meadow;

Effects of stocking rate and grazing time of yaks on soil nutrient contents in Kobrecia parva alpine meadow;

Regressive analysis between stocking rate for yak and aboveground and underground biomass of warm-season pasture in Kobrecia parva alpine meadow;

N2O emission fluxes were measured using the technique of closed opaque chamber and gas chromatography system,in a field experiment carried out during three growing seasons in 2003-2005 on a tract of Calamagrostis angustifolia meadow and Carex lasiocarpa marsh.

Inter-specific association of dominant species in Baihua Mountain meadow of Beijing.;

Seasonal Variation of Surface Fluxes of two Species Meadows on the Qinghai-Tibet Plateau;

Impacts of tourism on water storage and regulation of meadow soil in Napahai lakeshore wetlands