Nagel, Birgit; Emeis, Kay-Christian; Dähnke, Kirstin (2018): Nutrients and delta15N measured in water samples in the Northern Benguela upwelling system during the Africana campaign AF258_B in 2009 [dataset]. Helmholtz-Zentrum Geesthacht Centre for Materials and Coastal Research, PANGAEA, https://doi.org/10.1594/PANGAEA.892381