Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Navicula medioconvexa Hustedt Lena River, Russia (LEN) 0.61 1.10 1.59
Navicula mediocris Krasske Northern Quebec (QUE) 0.20 1.10 3.20
Navicula radiosa Kützing Abisko, Sweden (ABK) 0.23 1.10 4.85
Navicula sp. 1 Siberia CDD_FM Pechora River, Russia (PEC) 0.28 1.10 3.15
Navicula sp. 3 QUEBEC CDD_FM Northern Quebec (QUE) 0.40 1.10 4.60
Navicula spp. DIAT_UME Northern Sweden (SWE) 0.17 1.10 3.90
Nitzschia denticula Grunow Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.10 3.97
Achnanthes didyma Hustedt Pechora River, Russia (PEC) 0.28 1.09 2.92
Cocconeis placentula var. euglypta (Ehrenberg) Grunow Lena River, Russia (LEN) 0.31 1.09 2.80
Cymbella gaeumannii Meister Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.34 1.09 2.36
Encyonopsis cesatii (Rabhenhorst) Krammer Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 1.09 3.44
Navicula jaernefeltii Hustedt 1942 Northern Quebec (QUE) 0.20 1.09 6.40
Nitzschia palea (Kützing) Smith Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.19 1.09 3.16
Nitzschia pura Hustedt Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.20 1.09 3.33
Pinnularia balfouriana Grunow ex Cleve Northern Quebec (QUE) 0.20 1.09 4.80
Sellaphora pseudonana Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.19 1.09 2.75
Achnanthes cf. carissima SAL CDD Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.63 1.08 1.64
Amphora pediculus (Kützing) Grunow Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 1.08 1.08 1.08
Caloneis bacillum (Grunow) Cleve Lena River, Russia (LEN) 0.31 1.08 2.50
Cymbella microcephala Grunow Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 1.08 4.93
Cymbella minuta Hilse ex Rabenhorst Lena River, Russia (LEN) 0.29 1.08 1.85
Eunotia rostellata Hustedt ex Patrick Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.30 1.08 2.22
Navicula pseudanglica Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.08 2.01
Navicula sp. 2 DERMOT Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.19 1.08 2.83
Nitzschia acicularis (Kützing) Smith Taimyr Peninsula, Russia (TAI) 0.29 1.08 5.83
Nitzschia paleacea Grunow ex Van Heurck Lena River, Russia (LEN) 0.58 1.08 1.84
Sellaphora insolita Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.22 1.08 2.58
Stauroneis anceps fo. gracilis Rabenhorst Northern Sweden (SWE) 0.18 1.08 6.46
Achnanthes levanderi Hustedt Northern Sweden (SWE) 0.15 1.07 4.22
Achnanthes suchlandtii Hustedt Lena River, Russia (LEN) 0.27 1.07 2.23
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