Study on the absorption capacity of Northeast main greening tree species to As in the atmosphere;

Study on seasonal variation in carbon isotope composition correspond with soil temperature and humidity and weather factors for main greening tree species in Beijing;

Effects of water stress on water status and embolism in greening tree species in Beijing.;

The content of air pollutants in the leaves of planting trees can reflect degrees of air pollution and ability of absorbability of planting trees for air pollutants.

To seclect urban planting tree species according to ability of plant remediation for air pollution is a very important approach and means to reduce air pollution.

An urban afforestation tree species information system.;

The article adopted method of man-made fumigating and investigation,selected thirty seven afforestation tree speciesof of resistant to pollution suitable for Taiyuan forest park according to pollution trait of air in Taiyuan forest park,provided foundation of design of afforestation project.

Changes of transpiration rates of 10 main afforestation tree species cultured in plastic barrels and facture water consumption status were studied.

Study of hardiness of trees against SO_2 pollution in steel mill;