Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Cyclotella glomerata Bachmann Northern Sweden (SWE) 0.24 9.13 44.34
Fragilaria construens var. venter (Ehrenberg) Grunow Pechora River, Russia (PEC) 0.79 22.12 42.12
Tabellaria flocculosa (Roth) Kützing Pechora River, Russia (PEC) 0.28 5.03 42.03
Fragilaria virescens var. exigua Grunow Pechora River, Russia (PEC) 1.08 9.94 40.44
Pinnularia mesolepta CDD_FM morphotype III (Ehrenberg) W. Smith 1853 sensu Krammer 1992 Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 4.83 40.00
Frustulia rhomboides var. saxonica (Rabenhorst) deToni Abisko, Sweden (ABK) 0.23 8.05 39.25
Cyclotella comensis Grunow et Van Heurck 1882 Lena River, Russia (LEN) 0.93 21.37 39.06
Staurosirella pinnata (Ehrenberg) Williams et Round Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.39 12.07 38.97
Nitzschia perminuta (Grunow) Peragallo Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.39 12.26 38.26
Achnanthes minutissima Kützing Lena River, Russia (LEN) 0.29 9.01 37.69
Diploneis oculata (Brébisson) Cleve Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.40 7.62 37.64
Diadesmis paracontenta Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.60 5.97 37.41
Fragilaria construens var. venter (Ehrenberg) Grunow Abisko, Sweden (ABK) 0.23 4.14 36.11
Aulacoseira perglabra var. florinae (Camburn) Haworth 1990 Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.30 7.17 35.64
Cavinula pseudoscutiformis (Grunow ex Schmidt) Mann et Stickle Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.39 17.97 35.55
Fragilaria pinnata Ehrenberg Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 7.30 35.20
Fragilaria pinnata Ehrenberg Abisko, Sweden (ABK) 0.21 9.30 35.06
Fragilaria virescens var. exigua Grunow Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 7.83 34.43
Brachysira brebissonii Ross Abisko, Sweden (ABK) 0.23 4.84 33.75
Achnanthes levanderi Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 3.47 33.60
Achnanthes marginulata Grunow Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.19 2.54 33.33
Synedra radians Kützing Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 4.75 32.79
Aulacoseira ambigua (Grunow) Simonsen Pechora River, Russia (PEC) 0.27 8.47 32.73
Psammothidium marginulatum (Grunow) Bukhtiyarova et Round Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.38 5.91 32.39
Pinnularia biceps Gregory Abisko, Sweden (ABK) 0.23 5.45 32.35
Nitzschia homburgiensis Lange-Bertalot 1978 Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.17 4.32 32.23
Aulacoseira subarctica (Müller) Haworth Labrador, Canada (LAB) 0.20 4.32 32.10
Achnanthidium minutissimum (Kützing) Czarnecki Bylot Island, Nunavut, Canada. (BYL) 0.11 5.84 32.00
Achnanthes subatomoides (Hustedt) Lange-Bertalot et Archibald Abisko, Sweden (ABK) 0.22 2.28 31.94
Navicula seminulum var. intermedia Hustedt Abisko, Sweden (ABK) 0.23 3.66 31.78
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ... »»