1. Department of Zoology, Kazan Federal University, Kazan, Russia
2. Greenland Climate Research Center, Greenland Institute of Natural Resources, Nuuk, Greenland
3. GEOMAR, Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
4. Laboratory of Hydrobiology, Polar Branch of All-Russian Research Institute of Fisheries and Oceanography, Murmansk, Russia
5. Laboratory of Zoobenthos, Murmansk Marine Biological Institute, Murmansk, Russia