1. Wageningen University & Research, Wageningen Marine Research, P.O. Box 57, 1780 AB Den Helder, The Netherlands;, Email: martin.baptist@wur.nl
2. Wageningen University & Research, Wageningen Marine Research, P.O. Box 57, 1780 AB Den Helder, The Netherlands
3. Alfred-Wegener-Institut, Helmholtz-Institut für Polar- und Meeresforschung (AWI), Am Handelshafen 12, 27570 Bremerhaven, Germany
4. Wageningen University & Research, Wageningen Marine Research, P.O. Box 57, 1780 AB Den Helder, The Netherlands, Cantonal office for Environment and Energy Basel- Stadt, Hochbergerstrasse 158, 4019 Basel, Switzerland