AUTHOR=Buck Kristen N. , Lohan Maeve C. , Sander Sylvia G. , Hassler Christel , Pižeta Ivanka TITLE=Editorial: Organic Ligands—A Key Control on Trace Metal Biogeochemistry in the Ocean JOURNAL=Frontiers in Marine Science VOLUME=4 YEAR=2017 URL=https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2017.00313 DOI=10.3389/fmars.2017.00313 ISSN=2296-7745