Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Diploneis mauleri Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.76 3.18
Navicula pupula Kützing Lena River, Russia (LEN) 0.31 1.19 3.18
Pinnularia silvatica Petersen Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.33 1.36 3.18
Achnanthes curtissima Carter Southampton Island, Nunavut, Canada (SI) 0.20 1.41 3.17
Cymbella microcephala Grunow Yellowknife area, Northwest Territories, Canada (YEL) 0.29 1.13 3.17
Eunotia bilunaris var. bilunaris (Ehrenberg) Mills 1934 Southampton Island, Nunavut, Canada (SI) 0.19 1.53 3.17
Nitzschia palea (Kützing) Smith Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.19 1.09 3.16
Nitzschia perminuta EMILIE fo. 3 Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 1.38 3.16
Staurosira construens var. venter (Ehrenberg) Hamilton Bylot Island, Nunavut, Canada. (BYL) 0.20 1.63 3.16
Cyclotella rossii DIAT_UME morphotype III Håkansson 1990 Northern Sweden (SWE) 3.15 3.15 3.15
Frustulia rhomboides var. saxonica (Rabenhorst) deToni Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.89 3.15
Gomphonema gracile Ehrenberg emend Van Heurck Pechora River, Russia (PEC) 0.27 0.75 3.15
Navicula soehrensis Krasske Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.87 3.15
Navicula sp. 1 Siberia CDD_FM Pechora River, Russia (PEC) 0.28 1.10 3.15
Nitzschia gracilis Hantzsch ex Rabenhorst Pechora River, Russia (PEC) 0.29 0.81 3.15
Psammothidium ventrale Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 1.14 3.14
Nitzschia alpina Hustedt Northern Sweden (SWE) 0.18 0.81 3.13
Aulacoseira distans (Ehrenberg) Simonsen Yellowknife area, Northwest Territories, Canada (YEL) 0.26 1.27 3.12
Stauroneis phoenicenteron (Nitzsch) Ehrenberg Northern Sweden (SWE) 0.17 0.68 3.12
Frustulia rhomboides var. viridula (Brébisson) Cleve Northern Sweden (SWE) 0.18 0.87 3.10
Navicula utermoehlii Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.30 0.78 3.10
Nitzschia spp. DIAT_UME Northern Sweden (SWE) 0.17 0.78 3.10
Pinnularia sp. 2 BYLOT Bylot Island, Nunavut, Canada. (BYL) 0.40 1.15 3.10
Stephanocostis chantaicus Genkal et Kuzmin 1985 Southampton Island, Nunavut, Canada (SI) 0.27 1.69 3.10
Aulacoseira spp. DIAT_UME Northern Sweden (SWE) 0.18 1.22 3.09
Psammothidium bioretii (Germain) Bukhtiyarova et Round Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.32 1.38 3.09
Sellaphora pupula (Kützing) Meresckowsky Bylot Island, Nunavut, Canada. (BYL) 0.11 1.03 3.09
Fragilaria brevistriata var. inflata (Pantocsek) Hustedt Pechora River, Russia (PEC) 0.29 1.10 3.08
Eucocconeis flexella (Kützing) Cleve Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 1.28 3.07
Microcostatus cf. krasskei DERMOT Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 1.29 3.07
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