Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Navicula pupula Kützing Taimyr Peninsula, Russia (TAI) 0.30 0.86 1.58
Navicula sp. difficillima/pseudoarvensis YEL Yellowknife area, Northwest Territories, Canada (YEL) 0.58 0.86 1.12
Nitzschia linearis (Agardh ex Smith) Smith Taimyr Peninsula, Russia (TAI) 0.53 0.86 1.11
Simonsenia delognei (Grunow) Lange-Bertalot Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.86 2.31
Achnanthes carissima Lange-Bertalot Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.71 0.85 0.99
Achnanthes sp. impexiformis/impexa CDD_FM Pechora River, Russia (PEC) 0.29 0.85 2.91
Achnanthes sp. impexiformis/impexa CDD_FM Taimyr Peninsula, Russia (TAI) 0.29 0.85 1.88
Caloneis silicula (Ehrenberg) Cleve Bylot Island, Nunavut, Canada. (BYL) 0.16 0.85 2.80
Craticula buderi (Hustedt) Lange-Bertalot Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.47 0.85 1.46
Diploneis elliptica (Kützing) Cleve Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.85 1.98
Encyonema ventricosum Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.40 0.85 1.32
Eunotia pectinalis (Müller) Rabenhorst Pechora River, Russia (PEC) 0.59 0.85 1.17
Fragilaria delicatissima Northern Sweden (SWE) 0.85 0.85 0.85
Fragilaria sp. ABISKO Abisko, Sweden (ABK) 0.20 0.85 2.89
Navicula ignota var. acceptata (Hustedt) Lange-Bertalot Yellowknife area, Northwest Territories, Canada (YEL) 0.85 0.85 0.85
Nitzschia dissipata var. dissipata (Kützing) Grunow 1862 Abisko, Sweden (ABK) 0.23 0.85 4.95
Achnanthes altaica (Poretzky) Cleve-Euler Northern Quebec (QUE) 0.40 0.84 2.40
Achnanthes subatomoides (Hustedt) Lange-Bertalot et Archibald Taimyr Peninsula, Russia (TAI) 0.30 0.84 1.58
Cymbella angustata (Smith) Cleve Yellowknife area, Northwest Territories, Canada (YEL) 0.26 0.84 2.86
Diploneis cf. modica TAI CDD Taimyr Peninsula, Russia (TAI) 0.30 0.84 1.88
Fragilaria pinnata var. lancettula (Schumann) Hustedt Labrador, Canada (LAB) 0.20 0.84 2.40
Gomphonema parvulum (Kützing) Kützing Abisko, Sweden (ABK) 0.23 0.84 5.32
Navicula disjuncta Hustedt Northern Sweden (SWE) 0.29 0.84 2.49
Navicula hassiaca Krasske Abisko, Sweden (ABK) 0.21 0.84 5.35
Navicula laevissima Kützing Lena River, Russia (LEN) 0.31 0.84 1.86
Navicula sp. 1 EMILIE Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.32 0.84 1.97
Navicula sp. 1 QUEBEC CDD_FM Northern Quebec (QUE) 0.40 0.84 2.00
Achnanthes petersenii Hustedt 1936 Taimyr Peninsula, Russia (TAI) 0.32 0.83 1.33
Achnanthes rosenstockii Lange-Bertalot Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.83 1.32
Cyclotella tripartita Håkansson Yellowknife area, Northwest Territories, Canada (YEL) 0.25 0.83 3.46
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