Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Nitzschia lacuum Lange-Bertalot Lena River, Russia (LEN) 0.63 1.27 2.56
Thalassiosira pseudonana Hasle et Heimdal Taimyr Peninsula, Russia (TAI) 0.63 5.38 10.12
Undetermined diatom [cf. Navicula sp. 1 EMILIE] Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.63 0.64 0.65
Achnanthes didyma Hustedt Lena River, Russia (LEN) 0.62 0.92 1.23
Achnanthes kryophila Petersen Northern Sweden (SWE) 0.62 0.62 0.62
Cocconeis placentula Ehrenberg Lena River, Russia (LEN) 0.62 2.49 4.36
Gomphonema subtile Ehrenberg Northern Sweden (SWE) 0.62 0.62 0.62
Navicula bacilloides Hustedt Lena River, Russia (LEN) 0.62 1.23 2.12
Navicula cf. seminulum LEN-PEC-TAI CDD Lena River, Russia (LEN) 0.62 0.78 1.23
Navicula disjuncta Hustedt Lena River, Russia (LEN) 0.62 1.67 3.82
Navicula radiosa Kützing Lena River, Russia (LEN) 0.62 0.94 1.29
Navicula sp. 1 Siberia CDD_FM Lena River, Russia (LEN) 0.62 2.16 6.88
Nitzschia palea (Kützing) Smith Lena River, Russia (LEN) 0.62 1.36 2.45
Psammothidium marginulatum (Grunow) Bukhtiyarova and Round Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.62 2.18 5.61
Achnanthes lanceolata (Brébisson ex Kützing) Grunow Taimyr Peninsula, Russia (TAI) 0.61 0.95 1.39
Achnanthes linearis (Smith) Grunow Lena River, Russia (LEN) 0.61 0.92 1.23
Cymbella gracilis (Ehrenberg) Kützing Lena River, Russia (LEN) 0.61 0.92 1.83
Fragilaria capucina Desmazières Taimyr Peninsula, Russia (TAI) 0.61 1.21 2.22
Fragilaria cf. fasciculata QUE-TAI CDD Taimyr Peninsula, Russia (TAI) 0.61 2.95 5.40
Navicula medioconvexa Hustedt Lena River, Russia (LEN) 0.61 1.10 1.59
Navicula minuscula Grunow Lena River, Russia (LEN) 0.61 2.49 14.24
Navicula sp. 1 Siberia CDD_FM Taimyr Peninsula, Russia (TAI) 0.61 1.29 2.91
Nitzschia capitellata Hustedt Taimyr Peninsula, Russia (TAI) 0.61 0.91 1.18
Nitzschia frustulum (Kützing) Grunow Lena River, Russia (LEN) 0.61 0.93 1.89
Stauroneis anceps Ehrenberg Taimyr Peninsula, Russia (TAI) 0.61 3.72 11.41
Achnanthes delicatula (Kützing) Grunow Pechora River, Russia (PEC) 0.60 1.03 1.46
Achnanthes kriegeri Krasske 1943 Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.60 0.89 1.19
Achnanthes peragalli Brun et Héribaud Lena River, Russia (LEN) 0.60 1.14 2.03
Achnanthes pusilla (Grunow) DeToni Lena River, Russia (LEN) 0.60 3.73 16.35
Amphora inariensis Krammer Lena River, Russia (LEN) 0.60 1.18 1.58
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