Cu, Zn, Pb, Cd, Hg, Cr, As, and Ni) in surface sediments was conducted for six major shallow
freshwater lakes (Taihu Lake, Chaohu Lake, Nansihu Lake, Dongting Lake, Poyang Lake,
and Hongze Lake) in China. A spatial database with 339 sediment samples was created
through an extensive literature survey. Consensus‐based sediment quality guidelines
(SQGs) were used as the effect thresholds due to the lack of local eco‐toxicological …