Keyword urbanization level
ORIGINAL RESEARCH
Origin and Risk Assessment of Potentially
Harmful Elements in River Sediments of Urban,
Suburban, and Rural Areas
Xuyin Yuan1,2, Tianyuan Li2, Jizhou Li1,2, Hongmeng Ye2, Minxia Ge2
Pol. J. Environ. Stud. 2013;22(2):599–610