Keywords: Abundance estimate; Alexandrium tamarense; Amphidinium crassum; Amphidinium sphenoides; Aspidisca spp.; Attheya sp.; Bacillariophyceae indeterminata; Beaufort Sea; CCGSA_4-10_CFL08; CCGS Amundsen; CFL07/08_1-12; Chaetoceros borealis; Chaetoceros decipiens; Chroomonas sp.; Ciliates indeterminata; Circumpolar Flaw Lead Leg 4-10a; Coscinodiscophyceae indeterminata; Cryptophyceae; DATE/TIME; Date/time end; Dicroerisma psilonereiella; Dictyocha speculum; Dinobryon spp.; Dinoflagellate indeterminata; Dinophysis spp.; Diploneis litoralis var. arctica; Entomoneis gigantea var. septentrionalis; Entomoneis kjellmanii; Entomoneis kjellmanii var. subtilis; Entomoneis paludosa; Eucampia groenlandica; Euglena sp.; Euplotes sp.; Flagellates indeterminata; Fossula arctica; Fragilariopsis oceanica; Fragilariopsis spp.; Gymnodinium elongatum; Gymnodinium galeatum; Gymnodinium ostenfeldii; Gymnodinium sp.; Gymnodinium spp.; Gyrodinium cf. estuariale; Gyrodinium sp.; Gyrodinium spp.; Gyrosigma sp.; Gyrosigma tenuissimum; Gyrosigma tenuissimum var. hyperborea; Haslea crucigeroides; Haslea kjellmanii; Haslea sp.; Haslea spicula; Haslea spp.; Haslea vitrea; Kurpiszia kryokonites; Lacrymaria sp.; Lohmanniella oviformis; Melosira arctica; Mesodinium rubrum; Micromonas spp.; MULT; Multiple investigations; Navicula directa; Navicula gelida var. radissonii; Navicula septentrionalis; Navicula sp.; Navicula spp.; Navicula superba; Nitzschia arctica; Nitzschia frigida; Nitzschia longissima; Nitzschia neofrigida; Nitzschia promare; Nitzschia sp.; Number of species; Number of taxa; Pauliella taeniata; Peridiniella danica; Peridiniella spp.; Phaeocystis pouchetii; Pinnularia quadratarea; Pinnularia quadratarea var. constricta; Pinnularia quadratarea var. minor; Plagiotropis sp.; Pleurosigma sp.; Pleurosigma stuxbergii var. rhomboides; Preperidinium spp.; Pronoctiluca pelagica; Prorocentrum lima; Prorocentrum spp.; Prorodon spp.; Protoperidinium cf. minutum; Protoperidinium spp.; Pseudogomphonema arcticum; Pyramimonas spp.; Rhaphidophyceae; Rhodomonas marina; Rhodomonas sp.; Sample type; Stenoneis inconspicua var. baculus; Stenoneis obuserostrata; Strobilidium spiralis; Strombidium delicatissimum; Strombidium rhynchum; Strombidium sp.; Strombidium spp.; Strombidium sulcatum; Synedropsis hyperborea; Thalassionema nitzschioides; Thalassiosira angulata; Thalassiosira antarctica var. borealis; Thalassiosira pacifica; Thalassiosira sp.; Tintinnina; Vorticella sp.