Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Navicula cryptocephala Kützing Pechora River, Russia (PEC) 0.29 0.81 1.74
Navicula digitulus Hustedt Southampton Island, Nunavut, Canada (SI) 0.20 0.81 1.97
Navicula laticeps Hustedt Lena River, Russia (LEN) 0.27 0.81 2.03
Navicula pseudoscutiformis Hustedt Northern Quebec (QUE) 0.20 0.81 2.00
Navicula trivialis Lange-Bertalot Lena River, Russia (LEN) 0.31 0.81 1.26
Neidium ampliatum (Ehrenberg) Krammer Abisko, Sweden (ABK) 0.23 0.81 3.96
Nitzschia alpina Hustedt Northern Sweden (SWE) 0.18 0.81 3.13
Nitzschia frustulum (Kützing) Grunow Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.32 0.81 1.29
Nitzschia gracilis Hantzsch ex Rabenhorst Pechora River, Russia (PEC) 0.29 0.81 3.15
Synedra parasitica (Smith) Hustedt Northern Sweden (SWE) 0.29 0.81 1.80
Achnanthes kuelbsii Lange-Bertalot Abisko, Sweden (ABK) 0.23 0.80 3.22
Achnanthes lemmermannii Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.66 0.80 0.94
Achnanthes sp. 20 QUEBEC CDD_FM Northern Quebec (QUE) 0.20 0.80 2.40
Aulacoseira sp. 5 QUEBEC CDD_FM Northern Quebec (QUE) 0.40 0.80 1.40
Aulacoseira sp. 9 QUEBEC CDD_FM Northern Quebec (QUE) 0.20 0.80 1.40
Brachysira intermedia (Østrup) Lange-Bertalot in Lange-Bertalot et Moser 1994 Northern Quebec (QUE) 0.20 0.80 2.40
Caloneis cf. molaris CDD_FM (Grunow) Krammer in Krammer et Lange-Bertalot 1985 Northern Quebec (QUE) 0.40 0.80 1.20
Cyclotella ocellata Pantocsek Labrador, Canada (LAB) 0.20 0.80 2.20
Diploneis elliptica (Kützing) Cleve Taimyr Peninsula, Russia (TAI) 0.30 0.80 1.25
Eunotia bactriana Ehrenberg Abisko, Sweden (ABK) 0.25 0.80 1.23
Eunotia spp. DIAT_UME Northern Sweden (SWE) 0.17 0.80 5.19
Fragilaria elliptica Schumann Northern Quebec (QUE) 0.40 0.80 1.40
Fragilaria hungarica var. tumida Cleve-Euler Northern Quebec (QUE) 0.20 0.80 2.80
Fragilaria lata (Cleve-Euler) Renberg Northern Sweden (SWE) 0.22 0.80 1.74
Fragilaria parasitica (Smith) Grunow Taimyr Peninsula, Russia (TAI) 0.28 0.80 2.10
Fragilaria sp. 1 QUEBEC CDD_FM Northern Quebec (QUE) 0.40 0.80 2.00
Melosira arentii (Kolbe) Nagumo et Kobayasi 1977 Labrador, Canada (LAB) 0.20 0.80 1.80
Melosira cf. goetzeana CDD_FM O. Müller 1904 Labrador, Canada (LAB) 0.20 0.80 2.60
Navicula cocconeiformis Gregory ex Greville Lena River, Russia (LEN) 0.31 0.80 1.56
Navicula phyllepta Kützing Taimyr Peninsula, Russia (TAI) 0.32 0.80 1.52
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