Monthly samples of Macoma balthica gut content (23S rRNA targeted to determine the phytoplankton community consumed) in the Baltic Sea near Asko marine laboratory for one year (May 2018-April 2019).
Phytoplankton pigments were determined in the water surface (from 0 to 11 m depth) of a transect from Tromsö to the Fram Strrait and back during RV Polarstern expedition PS143/2 from 12 July to 5 Aug