The C1 station, located in the Gulf of Trieste in the northern part of the Adriatic Sea, is part of the Adriatic Long Term Ecological Research (LTER) site.
Regular monitoring of abundance of major taxonomic microzooplankton groups collected at monthly frequency at 0.5, 5, 10 and 15 m depth in the Gulf of Trieste, station C1 (1998-2010).