Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Staurosira construens var. venter (Ehrenberg) Hamilton Bylot Island, Nunavut, Canada. (BYL) 0.20 1.63 3.16
Achnanthes minutissima var. minutissima Southampton Island, Nunavut, Canada (SI) 0.19 1.62 2.99
Cymbopleura lapponica Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.19 1.62 7.86
Encyonopsis sp. 1 DERMOT Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.63 1.62 2.60
Navicula vitiosa Schimanski Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.62 4.64
Nitzschia fonticola Grunow Northern Quebec (QUE) 0.20 1.62 5.60
Nitzschia sp. 1 DERMOT Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.30 1.62 5.70
Tabellaria flocculosa (Roth) Kützing Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 1.62 8.70
Achnanthes marginulata Grunow Northern Quebec (QUE) 0.20 1.61 5.80
Aulacoseira sp. 2 Québec EMILIE Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.30 1.61 7.79
Navicula leptostriata Jorgensen 1948 Northern Sweden (SWE) 0.19 1.61 4.84
Pinnularia mesolepta (Ehrenberg) Smith Abisko, Sweden (ABK) 0.60 1.61 2.61
Cyclotella tripartita Håkansson Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.19 1.60 5.30
Eunotia diodon Ehrenberg Taimyr Peninsula, Russia (TAI) 1.60 1.60 1.60
Fragilaria sp. 10 QUEBEC CDD_FM Northern Quebec (QUE) 1.60 1.60 1.60
Fragilaria sp. 5 QUEBEC CDD_FM Northern Quebec (QUE) 1.60 1.60 1.60
Achnanthes saccula Carter Pechora River, Russia (PEC) 0.27 1.59 4.80
Brachysira zellensis (Grunow) Round et Mann Pechora River, Russia (PEC) 1.59 1.59 1.59
Cyclotella bodanica var. lemanica (O. Müller ex Schroter) Bachmann 1903 Lena River, Russia (LEN) 1.59 1.59 1.59
Eunotia formica Ehrenberg Pechora River, Russia (PEC) 1.59 1.59 1.59
Eunotia serra Ehrenberg Pechora River, Russia (PEC) 1.59 1.59 1.59
Nitzschia flexa Schumann Taimyr Peninsula, Russia (TAI) 1.59 1.59 1.59
Psammothidium helveticum (Hustedt) Bukhtiyarova et Round Bylot Island, Nunavut, Canada. (BYL) 0.12 1.59 2.00
Synedra nana Meister Northern Sweden (SWE) 0.20 1.59 3.34
Achnanthes altaica (Poretzky) Cleve-Euler Lena River, Russia (LEN) 0.31 1.58 3.22
Aneumastus tusculus Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.35 1.58 5.16
Aulacoseira lacustris (Grunow) Krammer Pechora River, Russia (PEC) 1.58 1.58 1.58
Cyclostephanos costatilimbus Stoermer, Håkansson et Theriot Lena River, Russia (LEN) 1.58 1.58 1.58
Nitzschia acicularis (Kützing) Smith Pechora River, Russia (PEC) 0.29 1.58 6.40
Nitzschia pusilla Grunow Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.19 1.58 4.31
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