Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Nitzschia fonticola Grunow Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 3.69 20.66
Fragilaria cf. pinnata (coarse) YUK YEL TAI PEC Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 4.70 20.60
Navicula seminulum Grunow Lena River, Russia (LEN) 0.29 3.08 20.11
Synedra tenera Smith Abisko, Sweden (ABK) 0.21 1.42 20.09
Cymbella gaeumannii Meister Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 1.64 20.00
Navicula pupula Kützing Abisko, Sweden (ABK) 0.23 2.20 20.00
Neidium holstii Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.32 3.23 20.00
Cavinula pseudoscutiformis (Grunow ex Schmidt) Mann et Stickle Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.33 7.29 19.89
Fragilaria brevistriata Grunow Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 3.90 19.80
Pinnularia balfouriana Grunow ex Cleve Bylot Island, Nunavut, Canada. (BYL) 0.19 5.85 19.77
Aulacoseira distans (Ehrenberg) Simonsen Labrador, Canada (LAB) 0.20 3.33 19.70
Cyclotella ocellata Pantocsek Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.19 4.93 19.67
Aulacoseira lirata (Ehrenberg) Ross Yellowknife area, Northwest Territories, Canada (YEL) 0.26 4.65 19.53
Amphora inariensis Krammer Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 5.05 19.37
Fragilaria crotonensis Kitton Abisko, Sweden (ABK) 19.19 19.19 19.19
Fragilaria brevistriata var. papillosa Cleve-Euler Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 5.85 19.03
Achnanthes lanceolata var. frequentissima Lena River, Russia (LEN) 0.31 3.52 18.90
Amphora pediculus (Kützing) Grunow Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 3.92 18.87
Achnanthes pusilla (Grunow) DeToni Abisko, Sweden (ABK) 0.23 2.67 18.72
Tabellaria flocculosa (Roth) Kützing Lena River, Russia (LEN) 0.31 5.56 18.58
Aulacoseira subarctica (Müller) Haworth Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 5.21 18.54
Aulacoseira perglabra var. florinae (Camburn) Haworth 1990 Northern Quebec (QUE) 0.20 4.07 18.40
Fragilaria famelica (Kützing) Lange-Bertalot Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 2.69 18.37
Achnanthes curtissima Carter Northern Sweden (SWE) 0.18 3.98 18.21
Cocconeis placentula var. euglypta (Ehrenberg) Grunow Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 2.90 18.21
Fragilaria capucina var. capucina Desmazières 1825 Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.16 3.39 18.12
Pinnularia balfouriana Grunow ex Cleve Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 7.56 18.12
Fragilaria brevistriata Grunow Bylot Island, Nunavut, Canada. (BYL) 14.56 16.29 18.03
Navicula chiarae Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 5.47 18.01
Aulacoseira distans var. tenella (Nygaard) Ross Northern Quebec (QUE) 0.20 4.37 18.00
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