Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Navicula tantula Hustedt Northern Sweden (SWE) 0.51 0.51 0.51
Cymbella sp. aspera/lanceolata YUK Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.50 0.57 0.65
Navicula cuspidata (Kützing) Kützing Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.50 0.74 0.99
Stauroneis phenicentron Bylot Island, Nunavut, Canada. (BYL) 0.50 2.74 5.33
Stephanodiscus alpinus Hustedt Abisko, Sweden (ABK) 0.50 0.55 0.60
Cyclotella cyclopuncta Håkansson Abisko, Sweden (ABK) 0.49 0.49 0.49
Cymbella falaisensis (Grunow) Krammer et Lange-Bertalot 1985 Abisko, Sweden (ABK) 0.49 0.49 0.49
Cymbella gaeumannii Meister Yellowknife area, Northwest Territories, Canada (YEL) 0.49 4.26 10.85
Cymbella lanceolata (Agardh) Agardh Abisko, Sweden (ABK) 0.49 0.49 0.49
Cymbella subaequalis Grunow Abisko, Sweden (ABK) 0.49 0.60 0.71
Fragilaria capucina var. rumpens (Kützing) Lange-Bertalot Abisko, Sweden (ABK) 0.49 0.86 1.23
Fragilaria virescens var. exigua Grunow Yellowknife area, Northwest Territories, Canada (YEL) 0.49 4.50 13.49
Navicula vulpina Kützing Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.49 0.60 0.66
Nitzschia homburgiensis Lange-Bertalot 1978 Abisko, Sweden (ABK) 0.49 0.56 0.71
Tetracyclus lacustris Ralfs Northern Sweden (SWE) 0.49 0.63 0.77
Achnanthes holstii Cleve 1881 Abisko, Sweden (ABK) 0.48 0.48 0.48
Eunotia pectinalis var. minor fo. impressa (Ehrenberg) Hustedt Abisko, Sweden (ABK) 0.48 0.48 0.48
Fragilaria lata (Cleve-Euler) Renberg Abisko, Sweden (ABK) 0.48 0.48 0.48
Pinnularia divergentissima (Grunow) Cleve Abisko, Sweden (ABK) 0.48 0.49 0.50
Achnanthes lanceolata subsp. frequentissima Lange-Bertalot Abisko, Sweden (ABK) 0.47 0.76 1.58
Aulacoseira lirata (Ehrenberg) Ross Abisko, Sweden (ABK) 0.47 1.25 4.67
Aulacoseira subarctica IR DIAT_UME morphotype II Gulspettvatn 1989 Northern Sweden (SWE) 0.47 6.58 46.46
Aulacoseira subarctica IR DIAT_UME morphotype II Gulspettvatn 1989 Abisko, Sweden (ABK) 0.47 7.91 28.85
Craticula buderi (Hustedt) Lange-Bertalot Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.47 0.85 1.46
Cymbella obscura Krasske Abisko, Sweden (ABK) 0.47 0.47 0.47
Fragilaria tenera (Smith) Lange-Bertalot Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.47 2.47 12.19
Hippodonta arctica Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.47 0.47 0.47
Navicula minima Grunow Abisko, Sweden (ABK) 0.47 2.58 10.51
Navicula phylleptosoma Lange-Bertalot Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.47 4.63 23.37
Cymbella norvegica Grunow Abisko, Sweden (ABK) 0.46 0.46 0.46
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