Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Aulacoseira distans var. nivalis (Smith) Haworth Northern Sweden (SWE) 0.17 2.05 5.33
Aulacoseira subarctica (Müller) Haworth Lena River, Russia (LEN) 0.30 2.05 7.86
Aulacoseira distans var. nivalis (Smith) Haworth Northern Quebec (QUE) 0.20 2.04 6.60
Hantzschia amphyoxis Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 2.04 2.04 2.04
Navicula cryptocephala Kützing Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.36 2.04 6.52
Fragilaria pinnata var. intercedens (Grunow) Hustedt Northern Quebec (QUE) 0.20 2.03 12.00
Achnanthes curtissima Carter Lena River, Russia (LEN) 0.30 2.02 6.75
Achnanthes sp. YEL Yellowknife area, Northwest Territories, Canada (YEL) 0.29 2.02 7.99
Cymbella gaeumannii Meister Abisko, Sweden (ABK) 0.23 2.02 8.08
Navicula cf. miniscula QUE-TAI-LEN CDD Lena River, Russia (LEN) 0.31 2.02 4.66
Navicula mediocris Krasske Abisko, Sweden (ABK) 0.24 2.02 13.40
Tabellaria flocculosa (Roth) Kützing Taimyr Peninsula, Russia (TAI) 0.28 2.02 8.18
Fragilaria capucina var. vaucheriae (Kützing) Lange-Bertalot Lena River, Russia (LEN) 0.31 2.01 6.97
Pinnularia abaujensis var. linearis (Hustedt) Patrick Northern Sweden (SWE) 0.31 2.01 8.98
Pinnularia interrupta Smith Taimyr Peninsula, Russia (TAI) 0.59 2.01 9.02
Fragilaria delicatissima Northern Quebec (QUE) 0.40 2.00 3.60
Fragilaria virescens var. exigua Grunow Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 2.00 6.58
Navicula digitulus Hustedt Abisko, Sweden (ABK) 0.22 2.00 13.05
Navicula sp. 36 QUEBEC CDD_FM Northern Quebec (QUE) 2.00 2.00 2.00
Caloneis fasciata Group 2 DERMOT Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 1.99 15.78
Cyclotella rossii Håkansson 1990 Northern Quebec (QUE) 0.20 1.98 9.80
Nupela tenuicephala (Hustedt) Lange-Bertalot in Lange-Bertalot et Moser 1994 Labrador, Canada (LAB) 0.20 1.98 13.20
Nitzschia paleacea Grunow ex Van Heurck Taimyr Peninsula, Russia (TAI) 0.30 1.97 3.66
Eunotia arcubus Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.19 1.96 7.07
Fragilaria construens var. pumila Grunow Labrador, Canada (LAB) 0.20 1.96 8.70
Frustulia rhomboides (Ehrenberg) De Toni Pechora River, Russia (PEC) 0.60 1.96 3.83
Navicula schmassmannii Hustedt 1943 Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 1.96 10.87
Eunotia vanheurckii Patrick Abisko, Sweden (ABK) 0.24 1.95 11.76
Fragilaria virescens Ralfs Pechora River, Russia (PEC) 0.29 1.95 6.67
Nitzschia dissipata var. media (Hantzsch) Grunow Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.44 1.95 3.54
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