Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Diatoma moniliformis Kützing Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.30 2.56 8.19
Navicula cf. begeri CDD_FM (Krasske) Krasske 1932 Northern Quebec (QUE) 0.40 2.56 10.20
Psammothidium kryophilum (Petersen) E. Reichardt 2004 Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 2.56 8.25
Fragilaria brevistriata Grunow Northern Quebec (QUE) 0.20 2.55 14.70
Achnanthes marginulata Grunow Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.19 2.54 33.33
Fragilaria cf. lata SAL-SI CDD Southampton Island, Nunavut, Canada (SI) 0.20 2.54 7.20
Aulacoseira granulata (Ehrenberg) Simonsen Northern Quebec (QUE) 0.80 2.53 7.60
Cyclotella stelligera (Cleve et Grunow) Van Heurck Northern Quebec (QUE) 0.20 2.53 14.40
Cymbella naviculiformis Auerswald ex Héribaud Northern Sweden (SWE) 0.18 2.53 12.72
Encyonopsis cf. microcephala DERMOT Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.19 2.53 15.30
Navicula cf. rhynchocephala DERMOT fo. elegans Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 2.53 2.53 2.53
Nitzschia perminuta (Grunow) Peragallo Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.33 2.53 4.61
Nitzschia perminuta EMILIE fo. 2 Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 2.52 8.52
Achnanthes calcar Cleve Lena River, Russia (LEN) 2.50 2.50 2.50
Achnanthes holsatica Hustedt Lena River, Russia (LEN) 2.50 2.50 2.50
Aulacoseira distans (Ehrenberg) Simonsen Northern Quebec (QUE) 0.20 2.49 15.80
Cocconeis placentula Ehrenberg Lena River, Russia (LEN) 0.62 2.49 4.36
Gomphonema angustum Agardh 1831 Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 2.49 6.51
Navicula minuscula Grunow Lena River, Russia (LEN) 0.61 2.49 14.24
Nitzschia perminuta (Grunow) Peragallo Lena River, Russia (LEN) 0.60 2.48 7.99
Aulacoseira ambigua (Grunow) Simonsen Abisko, Sweden (ABK) 0.24 2.47 13.13
Fragilaria tenera (Smith) Lange-Bertalot Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.47 2.47 12.19
Fragilaria tenera (Smith) Lange-Bertalot Pechora River, Russia (PEC) 0.54 2.47 4.76
Diatoma monoliformis Bylot Island, Nunavut, Canada. (BYL) 0.11 2.46 8.00
Cymbella designata DERMOT fo. 2 Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.39 2.45 4.86
Fragilaria construens (Ehrenberg) Grunow 1862 Labrador, Canada (LAB) 0.20 2.45 11.80
Cyclotella bodanica var. lemanica (O. Müller ex Schroter) Bachmann 1903 Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.19 2.44 14.89
Fragilaria capucina Desmazières Lena River, Russia (LEN) 0.32 2.44 7.58
Asterionella formosa Hassal Pechora River, Russia (PEC) 0.28 2.43 6.72
Brachysira brebissonii Ross Northern Sweden (SWE) 0.15 2.43 10.29
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