Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Navicula disjuncta Hustedt Lena River, Russia (LEN) 0.62 1.67 3.82
Asterionella ralfsii var. americana Körner Labrador, Canada (LAB) 0.20 1.11 3.80
Aulacoseira ambigua (Grunow) Simonsen Labrador, Canada (LAB) 0.20 1.06 3.80
Fragilaria cf. fasciculata QUE-TAI CDD Northern Quebec (QUE) 0.20 1.68 3.80
Nitzschia fonticola Grunow Southampton Island, Nunavut, Canada (SI) 0.19 1.07 3.80
Psammothidium kryophilum (Petersen) E. Reichardt 2004 Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.36 1.20 3.79
Navicula pupula Kützing Pechora River, Russia (PEC) 0.30 0.96 3.78
Nitzschia paleacea Grunow ex Van Heurck Pechora River, Russia (PEC) 0.29 1.17 3.78
Aulacoseira ambigua (Grunow) Simonsen Lena River, Russia (LEN) 0.31 1.03 3.77
Fragilaria capucina var. gracilis (Østrup) Hustedt Pechora River, Russia (PEC) 0.58 1.65 3.76
Navicula cryptocephala Kützing Lena River, Russia (LEN) 0.58 1.49 3.76
Navicula bjoernoeyaensis Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 3.75 3.75 3.75
Achnanthes rossii Hustedt 1954 Pechora River, Russia (PEC) 0.26 1.57 3.74
Encyonema latens (Krasske) Mann Bylot Island, Nunavut, Canada. (BYL) 0.74 1.70 3.74
Eunotia exigua var. tridentula Østrup Pechora River, Russia (PEC) 3.74 3.74 3.74
Gomphonema minutum (Agardh) Agardh Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 3.74 3.74 3.74
Eunotia hexaglyphis Ehrenberg Abisko, Sweden (ABK) 0.24 0.68 3.71
Nitzschia perminuta (Grunow) Peragallo Southampton Island, Nunavut, Canada (SI) 0.97 2.40 3.71
Semiorbis hemicyclus (Ehrenberg) Patrick in Patrick et Reimer 1966 Abisko, Sweden (ABK) 0.24 0.89 3.69
Gomphonema cf. pseudotenellum YUK CDD Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 3.68 3.68 3.68
Nitzschia sp. 1 SIBERIA (aff. alpina) CDD_FM Lena River, Russia (LEN) 0.29 1.67 3.68
Pinnularia nodosa (Ehrenberg) Smith Abisko, Sweden (ABK) 0.23 1.18 3.68
Nitzschia paleacea Grunow ex Van Heurck Taimyr Peninsula, Russia (TAI) 0.30 1.97 3.66
Diploneis oblongella (Nägeli ex Kützing) Ross Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 1.06 3.65
Tryblionella debilis Arnott Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.38 1.57 3.65
Brachysira cf. procera CDD_FM Lange-Bertalot et Moser 1994 Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 1.19 3.64
Encyonema obscurum Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.19 1.13 3.63
Aulacoseira lirata (Ehrenberg) Ross Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 3.62 3.62 3.62
Cymbopleura stauroneiformis Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.36 0.91 3.61
Navicula laevissima Kützing Taimyr Peninsula, Russia (TAI) 0.30 1.14 3.61
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