MethodsPublished 22 June 2026Toward “good” eutrophication data for marine policies and research: a multi-level quality control framework in EMODnet ChemistryMarina Lipizer · Maria Eugenia Molina Jack · Luminita Buga · Megan Anne French · Lotta Fyrberg · Julie Gatti · Atanasia Iona · Martin Mørk Larsen · Ann Kristin Østrem · Karin Wesslander · Alessandra GiorgettiFrontiers in Ocean Sustainabilitydoi 10.3389/focsu.2026.1835133