Taxonomic composition of Gulf of Riga zooplankton
Altogether, 38 taxa occurred in the data, of which 22 were present in
>5% of the profiles. In coastal areas (970 profiles), the
top taxa (based on frequency of occurrence in profiles) areCopepoda (mostly nauplial stages), Acartia spp.,Eurytemora affinis , Keratella quadrata , Synchaeta
baltica , Bosmina (Eubosmina) coregoni , Bivalvia ,Synchaeta monopus, and Amphibalanus improvisus. In the
open sea area (1148 profiles), the respective list of taxa isAcartia sp., E. affinis , Synchaeta sp.,Limnocalanus macrurus macrurus , B. coregoni,Keratella sp., Evadne nordmanni , Pleopis
polyphemoides , Cyclops sp., and Bivalvia.
Filtering or mixed feeding type small copepods and filtering rotifers
were the three functional groups present in nearly all samples.