Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Nitzschia perminuta (Grunow) Peragallo Pechora River, Russia (PEC) 0.29 0.95 2.33
Psammothidium delicatulum Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.95 0.95 0.95
Tryblionella debilis Arnott Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.20 0.95 1.91
Achnanthes daonensis Lange-Bertalot 1989 Southampton Island, Nunavut, Canada (SI) 0.19 0.94 2.55
Brachysira zellensis (Grunow) Round et Mann Northern Sweden (SWE) 0.18 0.94 2.58
Epithemia adnata (Kützing) Brébisson Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.34 0.94 1.49
Fragilaria brevistriata var. papillosa Cleve-Euler Northern Quebec (QUE) 0.20 0.94 2.40
Navicula radiosa Kützing Lena River, Russia (LEN) 0.62 0.94 1.29
Navicula seminuloides Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.94 2.12
Neidium affine var. longiceps (Gregory) Cleve Northern Quebec (QUE) 0.20 0.94 4.00
Pinnularia interrupta Smith Pechora River, Russia (PEC) 0.26 0.94 3.54
Thalassiosira pseudonana Hasle et Heimdal Lena River, Russia (LEN) 0.32 0.94 1.55
Achnanthes curtissima Carter Taimyr Peninsula, Russia (TAI) 0.29 0.93 1.94
Achnanthes lanceolata (Brébisson ex Kützing) Grunow Abisko, Sweden (ABK) 0.93 0.93 0.93
Cyclotella michiganiana Skvortzow Taimyr Peninsula, Russia (TAI) 0.58 0.93 1.28
Eunotia sp. 3 DERMOT Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.93 0.93 0.93
Fragilaria capucina Desmazières Labrador, Canada (LAB) 0.20 0.93 1.60
Fragilaria capucina var. rumpens (Kützing) Lange-Bertalot Northern Sweden (SWE) 0.38 0.93 1.95
Fragilaria pinnata var. lancettula (Schumann) Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.93 1.67
Navicula bremensis Hustedt Northern Sweden (SWE) 0.17 0.93 3.87
Navicula difficillimoides Hustedt Northern Sweden (SWE) 0.93 0.93 0.93
Navicula laevissima Kützing Pechora River, Russia (PEC) 0.28 0.93 2.62
Navicula mediocris Krasske Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 0.93 3.57
Navicula minima Grunow Yellowknife area, Northwest Territories, Canada (YEL) 0.28 0.93 1.97
Navicula similis Krasske Lena River, Russia (LEN) 0.29 0.93 2.17
Nitzschia alpina Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 0.93 4.17
Nitzschia dissipata (Kützing) Grunow Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.93 2.12
Nitzschia frustulum (Kützing) Grunow Lena River, Russia (LEN) 0.61 0.93 1.89
Pinnularia grunowii Bylot Island, Nunavut, Canada. (BYL) 0.20 0.93 1.00
Rossithidium pusillum (Grunow) Round et Bukhtiyarova Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.68 0.93 1.18
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