Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Navicula minima Grunow Abisko, Sweden (ABK) 0.47 2.58 10.51
Amphora libyca Ehrenberg 1840 Northern Sweden (SWE) 0.18 2.14 10.44
Navicula pseudoscutiformis Hustedt Abisko, Sweden (ABK) 0.21 0.98 10.42
Asterionella sp. 1 QUEBEC CDD_FM Northern Quebec (QUE) 10.40 10.40 10.40
Eunotia bilunaris (Ehrenberg) Mills Pechora River, Russia (PEC) 0.29 2.11 10.32
Nitzschia clausii Hantzsch Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 2.83 10.31
Nitzschia fonticola Grunow Northern Sweden (SWE) 0.17 1.76 10.31
Brachysira brebissonii Ross Northern Sweden (SWE) 0.15 2.43 10.29
Navicula cf. begeri CDD_FM (Krasske) Krasske 1932 Northern Quebec (QUE) 0.40 2.56 10.20
Achnanthes suchlandtii Hustedt Yellowknife area, Northwest Territories, Canada (YEL) 0.28 2.81 10.14
Thalassiosira pseudonana Hasle et Heimdal Taimyr Peninsula, Russia (TAI) 0.63 5.38 10.12
Aulacoseira distans var. tenella (Nygaard) Ross Labrador, Canada (LAB) 0.20 2.81 10.10
Fragilaria capucina var. gracilis (Østrup) Hustedt Bylot Island, Nunavut, Canada. (BYL) 2.00 4.72 10.04
Fragilaria brevistriata Grunow Taimyr Peninsula, Russia (TAI) 0.32 2.78 10.03
Navicula laevissima Kützing Bylot Island, Nunavut, Canada. (BYL) 0.38 3.67 10.00
Pinnularia interrupta Smith Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.19 10.00
Psammothidium ventralis (Krasske) Bukhtiyarova et Round Bylot Island, Nunavut, Canada. (BYL) 0.20 3.58 10.00
Undetermined diatom [CDD] Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.32 2.29 10.00
Microcostatus cf. krasskei DERMOT Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.32 2.39 9.94
Navicula minima Grunow Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 2.13 9.93
Eunotia intermedia (Krasske ex Hustedt) Nörpel et Lange-Bertalot Lena River, Russia (LEN) 0.27 1.48 9.91
Achnanthes curtissima Carter Labrador, Canada (LAB) 0.20 2.77 9.90
Navicula agrestis Hustedt Labrador, Canada (LAB) 0.80 4.10 9.90
Navicula obsoleta Hustedt Abisko, Sweden (ABK) 0.25 3.91 9.83
Cyclotella rossii Håkansson 1990 Northern Quebec (QUE) 0.20 1.98 9.80
Cymbella minuta Hilse ex Rabenhorst Abisko, Sweden (ABK) 0.23 1.13 9.74
Surirella linearis Smith Abisko, Sweden (ABK) 0.24 2.72 9.74
Fragilaria brevistriata var. papillosa Cleve-Euler Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 2.72 9.63
Cyclotella stelligera (Cleve et Grunow) Van Heurck Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 9.62 9.62 9.62
Fragilaria nanana Lange-Bertalot Northern Quebec (QUE) 0.20 2.36 9.60
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