Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Tabularia fasciculata (Agardh) Williams et Round Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 2.95 2.95 2.95
Navicula bryophila Petersen Northern Sweden (SWE) 0.19 0.95 2.94
Achnanthes didyma Hustedt Pechora River, Russia (PEC) 0.28 1.09 2.92
Achnanthes suchlandtii Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 1.04 2.92
Pinnularia microstauron Morphotyp II Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 0.77 2.92
Pinnularia rupestris Hantzsch Northern Sweden (SWE) 0.19 0.91 2.92
Achnanthes sp. impexiformis/impexa CDD_FM Pechora River, Russia (PEC) 0.29 0.85 2.91
Cymbella gracilis (Ehrenberg) Kützing Yellowknife area, Northwest Territories, Canada (YEL) 0.25 1.33 2.91
Cymbella lapponica Grunow Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 0.78 2.91
Navicula pseudoscutiformis Hustedt Yellowknife area, Northwest Territories, Canada (YEL) 0.28 1.02 2.91
Navicula sp. 1 Siberia CDD_FM Taimyr Peninsula, Russia (TAI) 0.61 1.29 2.91
Cymbella hebridica Grunow ex Cleve Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.30 0.86 2.89
Fragilaria sp. ABISKO Abisko, Sweden (ABK) 0.20 0.85 2.89
Cyclotella stelligera (Cleve et Grunow) Van Heurck Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 2.88 2.88 2.88
Cymbella minuta Hilse ex Rabenhorst Yellowknife area, Northwest Territories, Canada (YEL) 0.25 1.03 2.88
Diatoma moniliformis Kützing Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.57 1.72 2.88
Gomphonema spp. DERMOT Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 2.88 2.88 2.88
Navicula cocconeiformis Gregory ex Greville Northern Sweden (SWE) 0.17 0.54 2.88
Nitzschia pura Hustedt Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 1.13 2.88
Pinnularia suchlandtii Hustedt Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.37 1.36 2.88
Navicula cumbriensis Haworth 1987 Northern Sweden (SWE) 0.29 1.00 2.87
Navicula disjuncta Hustedt Pechora River, Russia (PEC) 0.26 1.07 2.87
Navicula vitiosa Schimanski Lena River, Russia (LEN) 0.60 1.14 2.87
Cymbella angustata (Smith) Cleve Yellowknife area, Northwest Territories, Canada (YEL) 0.26 0.84 2.86
Navicula menisculus var. upsaliensis (Grunow) Grunow Abisko, Sweden (ABK) 0.21 0.89 2.86
Navicula cf. miniscula QUE-TAI-LEN CDD Taimyr Peninsula, Russia (TAI) 0.88 1.41 2.85
Achnanthes suchlandtii Hustedt Northern Sweden (SWE) 0.19 1.06 2.84
Neidium affine (Ehrenberg) Pfitzer Northern Sweden (SWE) 0.17 0.69 2.84
Nitzschia dissipata var. media (Hantzsch) Grunow Lena River, Russia (LEN) 0.27 1.24 2.84
Cymbella silesiaca Bleisch Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.78 2.83
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