Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Nitzschia perminuta EMILIE fo. 1 Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 1.24 4.25
Aulacoseira italica (Ehrenberg) Simonsen Abisko, Sweden (ABK) 0.25 1.82 4.24
Achnanthes levanderi Hustedt Northern Sweden (SWE) 0.15 1.07 4.22
Navicula radiosa Kützing Northern Sweden (SWE) 0.18 0.99 4.21
Achnanthes curtissima Carter Northern Quebec (QUE) 0.20 1.11 4.20
Diatoma tenuis Agardh Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.38 1.94 4.20
Eunotia exigua (Brébisson ex Kützing) Rabenhorst Lena River, Russia (LEN) 0.30 1.15 4.20
Eunotia sp. 1 QUEBEC CDD_FM Northern Quebec (QUE) 0.20 1.48 4.20
Fragilaria capucina Desmazières Abisko, Sweden (ABK) 0.24 0.82 4.20
Pinnularia balfouriana Grunow ex Cleve Abisko, Sweden (ABK) 0.23 1.39 4.18
Eunotia arcus Ehrenberg Abisko, Sweden (ABK) 0.23 0.77 4.17
Nitzschia alpina Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 0.93 4.17
Nitzschia vitrea Norman Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 4.17 4.17 4.17
Achnanthes altaica (Poretzky) Cleve-Euler Northern Sweden (SWE) 0.28 1.49 4.13
Cymbella minuta Hilse ex Rabenhorst Northern Sweden (SWE) 0.17 0.82 4.13
Frustulia rhomboides (Ehrenberg) De Toni Yellowknife area, Northwest Territories, Canada (YEL) 0.28 1.11 4.13
Cymbella cleve-eulerae Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.28 1.35 4.12
Fragilaria pinnata var. lancettula (Schumann) Hustedt Pechora River, Russia (PEC) 0.56 1.50 4.12
Diploneis modica Hustedt Lena River, Russia (LEN) 4.10 4.10 4.10
Gomphonema acuminatum var. coronatum (Ehrenberg) Rabenhorst Abisko, Sweden (ABK) 0.21 0.60 4.09
Stauroneis jarensis Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.28 0.82 4.09
Achnanthes ventralis (Krasske) Lange-Bertalot Lena River, Russia (LEN) 0.30 1.02 4.07
Fragilaria pinnata var. intercedens (Grunow) Hustedt Taimyr Peninsula, Russia (TAI) 0.28 1.20 4.07
Nitzschia palea (Kützing) Smith Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.18 1.32 4.03
Fragilaria brevistriata Grunow Lena River, Russia (LEN) 0.63 2.32 4.01
Achnanthes sp. 7 QUEBEC CDD_FM Northern Quebec (QUE) 0.40 1.67 4.00
Aulacoseira lirata (Ehrenberg) Ross Northern Quebec (QUE) 0.20 1.56 4.00
Cymbella gracilis (Ehrenberg) Kützing Labrador, Canada (LAB) 0.20 0.76 4.00
Eunotia binularis Bylot Island, Nunavut, Canada. (BYL) 0.19 0.97 4.00
Fragilaria construens var. binodis (Ehrenberg) Grunow Northern Quebec (QUE) 0.20 0.90 4.00
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