The results reveal that land desertification,steppe degeneration,secondary soil salinization or alkalization,soil erosion and air pollution in urban areas are the most serious entironment problems.

• 结果表明:土地沙漠化、草场退化、土壤次生盐碱化、水土流失及城市空气污染是该地区最为严重的环境问题。