Dr. Tim Hermans, PhD, Institute for Marine and Atmospheric Research Utrecht, Utrecht University, Utrecht, Netherlands, Julius Johannes Marian Busecke, LDEO/Columbia University, NYC, United States, Roderik van de Wal, Utrecht University, Institute for Marine and Atmospheric research Utrecht, Utrecht, Netherlands, Greg Fivash, Ecosphere, University of Antwerp, Antwerp, Belgium, Antwerp, Belgium and Jim van Belzen, NIOZ Royal Netherlands Institute for Sea Research, Yerseke, Netherlands