Ecological risk assessment of heavy metals in sediment and human health risk assessment of heavy metals in fishes in the middle and lower reaches of the Yangtze River basin

► Field survey, test and relationship of the concentrations of heavy metals in the water, sediment, and fish. ► Potential ecological risk assessment of heavy metals in sediment. ► Non-cancer health risk assessment of heavy metals in fish tissue. ► Possible pollution source of heavy metals analyzed.