Table 1. Taxonomic groups corresponding to each functional group.

The list of taxa is based on OTU assignations using the PR2 database.

Functional group	Taxonomic groups from PR 2 database assigned to the given functional group
Autotrophs	Dinophyceae, Chlorophyceae, Mamiellophyceae, Trebouxiophyceae, Klebsormidiophyceae, Zygnemophyceae, Bacillariophyta, Eustigmatophyceae
Mixotrophs	Euglenozoa, Cryptophyceae, Prymnesiophyceae, Chrysophyta (pro parte)
Phagotrophs	Colpodea, Heterotrichea, Litostomatea, Nassophorea, Oligohymenophorea, Phyllopharyngea, Prostomatea, Spirotrichea, Mycetozoa-Myxogastrea, Variosea, Discosea-Longamoebia, Heterolobosea, Centroheliozoa, Katablepharidaceae, Choanoflagellatea, Nucleariidea, Endomyxa, Filosa-Granofilosea, Filosa-Imbricatea, Filosa-Metromonadea, Filosa-Sarcomonadea, Filosa-Thecofilosea, Bicoecea, Hyphochytriomyceta, Labyrinthulea, MAST, Chrysophyta (pro parte)
Osmotrophs	Ascomycota, Basidiomycota, Blastocladiomycota, Zoopagomycota, Mucoromycota
Parasites	Apicomplexa, Cryptomycota, Rhyzophidiales, Ichthyosporea, Oomycota (Peronosporomycetes)