Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Aulacoseira distans var. humilis (A. Cleve-Euler) R. Ross in Hartley 1986 Pechora River, Russia (PEC) 0.60 1.49 2.38
Cyclotella michiganiana Skvortzow Northern Quebec (QUE) 0.60 1.53 2.40
Cyclotella tripartita Håkansson Taimyr Peninsula, Russia (TAI) 0.60 2.09 5.01
Cymbella minuta Hilse ex Rabenhorst Taimyr Peninsula, Russia (TAI) 0.60 1.01 2.68
Diadesmis paracontenta Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.60 5.97 37.41
Diploneis peterseni Hustedt Taimyr Peninsula, Russia (TAI) 0.60 0.79 1.18
Eunotia monodon var. bidens (W. Smith) Hustedt 1932 Northern Sweden (SWE) 0.60 0.60 0.60
Fragilaria neoproducta Lange-Bertalot Southampton Island, Nunavut, Canada (SI) 0.60 3.03 6.76
Frustulia rhomboides (Ehrenberg) De Toni Pechora River, Russia (PEC) 0.60 1.96 3.83
Navicula cf. capitata DERMOT Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.60 0.60 0.60
Navicula cf. cryptocephala TAI CDD Taimyr Peninsula, Russia (TAI) 0.60 0.91 1.22
Navicula seminulum Grunow Labrador, Canada (LAB) 0.60 2.79 6.60
Navicula sp. 20 QUEBEC CDD_FM Northern Quebec (QUE) 0.60 0.80 1.00
Navicula vitiosa Schimanski Lena River, Russia (LEN) 0.60 1.14 2.87
Nitzschia dissipata var. media (Hantzsch) Grunow Taimyr Peninsula, Russia (TAI) 0.60 0.80 1.06
Nitzschia perminuta (Grunow) Peragallo Lena River, Russia (LEN) 0.60 2.48 7.99
Pinnularia interrupta Smith Lena River, Russia (LEN) 0.60 1.58 3.37
Pinnularia mesolepta (Ehrenberg) Smith Abisko, Sweden (ABK) 0.60 1.61 2.61
Achnanthes kriegeri Krasske 1943 Yellowknife area, Northwest Territories, Canada (YEL) 0.59 0.59 0.59
Cyclostephanos dubius (Frick) Round Pechora River, Russia (PEC) 0.59 4.80 9.01
Cymbella naviculiformis Auerswald ex Héribaud Pechora River, Russia (PEC) 0.59 1.02 1.45
Eunotia pectinalis (Müller) Rabenhorst Pechora River, Russia (PEC) 0.59 0.85 1.17
Geissleria schoenfeldii (Hustedt) Lange-Bertalot et Metzeltin Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.59 2.28 4.80
Navicula cryptonella Taimyr Peninsula, Russia (TAI) 0.59 0.73 1.39
Navicula farta Hustedt Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.59 0.59 0.59
Navicula pseudoventralis Hustedt Pechora River, Russia (PEC) 0.59 0.77 1.22
Pinnularia interrupta Smith Taimyr Peninsula, Russia (TAI) 0.59 2.01 9.02
Achnanthes marginulata Grunow Southampton Island, Nunavut, Canada (SI) 0.58 4.14 6.56
Berkeleya rutilans (Trentepohl) Grunow Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.58 3.50 6.42
Cocconeis placentula Ehrenberg Pechora River, Russia (PEC) 0.58 0.90 1.22
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