Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Hippodonta arctica Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.47 0.47 0.47
Navicula gerloffii Schimanski 1978 Northern Quebec (QUE) 0.20 0.47 1.20
Navicula pseudoventralis Hustedt Northern Quebec (QUE) 0.20 0.47 1.20
Pinnularia viridis (Nitzsch) Ehrenberg Northern Sweden (SWE) 0.17 0.47 0.89
Stenopterobia densestriata (Hustedt) Krammer Northern Quebec (QUE) 0.20 0.47 1.20
Achnanthes kuelbsii Lange-Bertalot Northern Sweden (SWE) 0.17 0.46 1.01
Achnanthes sp. 1 QUEBEC CDD_FM Northern Quebec (QUE) 0.20 0.46 1.40
Amphipleura pellucida (Kützing) Kützing Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.46 0.71
Caloneis undulata (Gregory) Krammer Northern Sweden (SWE) 0.26 0.46 0.92
Cymbella incerta (Grunow) Cleve Northern Quebec (QUE) 0.20 0.46 1.00
Cymbella norvegica Grunow Abisko, Sweden (ABK) 0.46 0.46 0.46
Cymbella proxima Reimer Abisko, Sweden (ABK) 0.46 0.46 0.46
Eunotia praerupta Ehrenberg Yellowknife area, Northwest Territories, Canada (YEL) 0.30 0.46 0.64
Eunotia rhynchocephala Hustedt Northern Quebec (QUE) 0.20 0.46 1.00
Fragilaria capucina var. vaucheriae (Kützing) Lange-Bertalot Abisko, Sweden (ABK) 0.46 0.46 0.46
Fragilaria construens (Ehrenberg) Grunow 1862 Northern Sweden (SWE) 0.28 0.46 0.79
Navicula cryptocephala Kützing Southampton Island, Nunavut, Canada (SI) 0.20 0.46 1.15
Navicula ventralis Krasske Northern Quebec (QUE) 0.20 0.46 1.00
Neidium affine var. longiceps (Gregory) Cleve Yellowknife area, Northwest Territories, Canada (YEL) 0.32 0.46 0.62
Nitzschia angustata (Smith) Grunow Abisko, Sweden (ABK) 0.22 0.46 1.18
Nitzschia dissipata (Kützing) Grunow Southampton Island, Nunavut, Canada (SI) 0.19 0.46 1.18
Nitzschia dissipata (Kützing) Grunow Northern Sweden (SWE) 0.19 0.46 0.72
Pinnularia divergens var. sublinearis Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.17 0.46 1.18
Pinnularia hemiptera (Kützing) Rabenhorst Northern Sweden (SWE) 0.35 0.46 0.56
Pinnularia subinterrupta Krammer et Schroeter Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 0.46 0.75
Achnanthes didyma Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.45 0.66
Amphipleura kriegeriana (Krasske) Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.30 0.45 1.29
Brachysira neoexilis CDD_FM morphotype I Lange-Bertalot in Lange-Bertalot et Moser 1994 Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.45 0.66
Cymbella cf. schubartii CDD_FM Hustedt 1955 Labrador, Canada (LAB) 0.20 0.45 1.00
Cymbella mesiana Cholnoky Abisko, Sweden (ABK) 0.24 0.45 0.73
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