Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Cymbella cf. aequalis CDD_FM W. Smith in Greville 1855 Labrador, Canada (LAB) 0.20 0.73 1.80
Navicula cryptonella Taimyr Peninsula, Russia (TAI) 0.59 0.73 1.39
Navicula schoenfeldii Hustedt Yellowknife area, Northwest Territories, Canada (YEL) 0.31 0.73 1.15
Navicula soehrensis var. hassiaca (Krasske) Lange-Bertalot Labrador, Canada (LAB) 0.20 0.73 3.00
Nitzschia homburgiensis Lange-Bertalot 1978 Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.19 0.73 1.92
Pinnularia subanglica Bylot Island, Nunavut, Canada. (BYL) 0.17 0.73 1.59
Stephanodiscus hantzschii Grunow Pechora River, Russia (PEC) 0.30 0.73 1.16
Achnanthes conspicua Mayer Yellowknife area, Northwest Territories, Canada (YEL) 0.32 0.72 1.13
Achnanthes nitidiformis Lange-Bertalot Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.33 0.72 1.62
Achnanthes petersenii Hustedt 1936 Northern Sweden (SWE) 0.19 0.72 1.98
Amphora oligotraphenta Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 0.72 1.19
Aulacoseira perglabra var. florinae (Camburn) Haworth 1990 Yellowknife area, Northwest Territories, Canada (YEL) 0.28 0.72 1.15
Cylindrotheca gracile Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.19 0.72 1.47
Cymbella incerta (Grunow) Cleve Abisko, Sweden (ABK) 0.20 0.72 1.94
Cymbella minuta Hilse ex Rabenhorst Labrador, Canada (LAB) 0.20 0.72 1.40
Encyonema obscurum Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.72 0.72 0.72
Fragilaria capucina Desmazières Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 0.72 1.00
Fragilaria cf. perminuta DERMOT CDD Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.19 0.72 1.54
Fragilaria lata (Cleve-Euler) Renberg Northern Quebec (QUE) 0.20 0.72 2.40
Navicula pupula var. mutata (Krasske) Hustedt Lena River, Russia (LEN) 0.54 0.72 1.26
Nitzschia radicula Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 0.72 2.58
Sellaphora rectangularis (Gregory) Lange-Bertalot et Metzeltin Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.17 0.72 1.28
Achnanthes dispar var. angulata Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.71 0.71 0.71
Achnanthes helvetica (Hustedt) Lange-Bertalot Northern Sweden (SWE) 0.16 0.71 2.01
Achnanthes helvetica (Hustedt) Lange-Bertalot Lena River, Russia (LEN) 0.31 0.71 1.74
Achnanthes sp. 2 (Navicula) EMILIE Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.33 0.71 1.67
Aulacoseira italica var. valida (Grunow in Van Heurck ) Simonsen 1979 Northern Sweden (SWE) 0.30 0.71 1.29
Cyclotella rossii Håkansson 1990 Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 0.71 1.79
Cyclotella stelligera (Cleve et Grunow) Van Heurck Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.39 0.71 1.34
Cymbella affinis Kützing Abisko, Sweden (ABK) 0.25 0.71 1.17
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