Federico Baltar¹, Sergio Morales², Daniele De Corte³, Christina L Hulbe⁴, Christian Ohneiser⁵, Craig L Stevens⁶, Blair Thomson², Zihao Zhao¹, Chris Greening⁷, Jose M Gonzalez⁸, Ramunas Stepanauskas⁹, Ramiro Logares¹⁰, Gerhard J Herndl¹ and Clara Martínez-Pérez¹, (1)University of Vienna, Dept. of Limnology and Bio-Oceanography, Vienna, Austria, (2)University of Otago, Dunedin, New Zealand, (3)University of Vienna, Limnology and Bio-Oceanography, Vienna, Austria, (4)University of Otago, School of Surveying (Dean), Dunedin, New Zealand, (5)University of Otago, Departement of Geology, Dunedin, New Zealand, (6)NIWA National Institute of Water and Atmospheric Research, Wellington, New Zealand, (7)Monash University, VIC, Australia, (8)University of La Laguna, Spain, (9)Bigelow Laboratory for Ocean Sciences, East Boothbay, ME, United States, (10)Institut de Ciencies del Mar, ICM-CSIC, Barcelona, Spain