Large areas of arable lands in China have been contaminated by heavy metals, which cadmium (Cd) contamination was the most prevalent. Cd accumulation main food crops and leafy vegetables grown Cd-contaminated fields has aroused considerable attention recent years. The present study investigated pollution farmland soils Qujing city Yunnan Province, China. By comparing uptake capacities different...

Although fish is an important source of nutrients, including some the healthiest proteins, long-chain fatty acids, and essential selenium, species at top food chain frequently contain large amounts toxic mercury (Hg). The provisional tolerable weekly intake (PTWI) Hg from consumption calculated total concentration assuming that all speciated as organic methylmercury (MeHg). Using high energy-re...