Spatial Distribution, Ecological and Human Health Risk Assessment, and Quantitative Source Apportionment of Heavy Metals in Stream Sediments of an Arid River, Qaidam Basin, NW China.
Under the dual influence of geological background and human activities, heavy metal contamination in riverine ecosystems poses a significant threat to ecological security and public health. This study systematically investigated the contamination characteristics, ecological and health risks, and sources of nine heavy m...