AUTHOR=Zaferani Sara , Biester Harald TITLE=Corrigendum: Mercury Accumulation in Marine Sediments—A Comparison of an Upwelling Area and Two Large River Mouths JOURNAL=Frontiers in Marine Science VOLUME=8 YEAR=2021 URL=https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2021.790338 DOI=10.3389/fmars.2021.790338 ISSN=2296-7745