Variable organic matter stoichiometry enhances the biological drawdown of CO2 in the northwest European shelf seas. - Demir, Kubilay Timur; Mathis, Moritz; Kossack, Jan; Liu, Feifei; Daewel, Ute; Stegert, Christoph; Thomas, Helmuth; Schrum, Corinna (Biogeosciences, 2025)