The Expedition of the Research Vessel "Polarstern" to the Antarctic in 2012 (ANT-XXVIII/3) Edited by Dieter Wolf-Gladrow with contributions of the participants 661 2013 Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung D-27570 BREMERHAVEN Bundesrepublik Deutschland ISSN 1866-3192