Laura Korte¹, Furu Mienis², Dick van Oevelen³, Kirsten Schulz⁴, Christian Mohn⁵, Gert-Jan Reichart¹ and Gerard Duineveld¹, (1)Royal Netherlands Institute for Sea Research, Den Burg, Netherlands, (2)NIOZ, Den Burg, Netherlands, (3)NIOZ, Royal Netherlands Institute for Sea Research and Utrecht University, Department of Estuarine and Delta Systems, Yerseke, Netherlands, (4)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (5)Aarhus University, Department of Bioscience, Aarhus, Denmark