of October 2018 MARIA S. MERIAN-BERICHTE LTER HAUSGARTEN 2018 Long-Term Ecological Research in the Fram Strait Cruise No. MSM77 September 15 – October 13, 2018 Longyearbyen (Svalbard) – Edinburgh (Scotland) [...] Mineralization…………...….. 44 5.6 Experimental Work at the LTER Observatory HAUSGARTEN…………………..…. 48 5.7 The FRAM Pollution Observatory: Marine Anthropogenic Litter and Microplastics in different Arctic Ecosyste [...] MERIAN contributed to various large national and international research and infrastructure projects (FRAM, ARCHES, INTAROS, ICOS, SIOS) as well as to the research programme PACES-II (Polar Regions and Coasts