Assessment of Nutrient and Heavy Metal Pollution in Channel Dredged Sediments in the middle and lower reaches of the Yangtze basinHongxia Xiong, Shitao Peng, Wei Huang, Xinlei Liu and Xianbin LiuE3S Web Conf., 145 (2020) 02037DOI: https://doi.org/10.1051/e3sconf/202014502037