New insight into mercury sources and trophic transfer in the Bohai Sea food web using carbon, nitrogen, and mercury stable isotopes - Xiaowei Qiao; Shuangxu Zhou; Lin Yang; Hua Guo; Tao Yang; Wenjing Li; Zhuo Ma; Deming Han; Jianbo Shi; Guibin Jiang (Journal of Hazardous Materials, 2026)