Based on an analysis of samples from soil, sediments and atmosphere, the authors made a preliminary study of polycyclic aromatic hydrocarbons in Lalu wetland within suburban districts of Lhasa City.

• 摘要通过分析采集的土壤、沉积物和大气样品，对拉萨郊区的拉鲁湿地多环芳烃污染及其来源进行了初步研究。