Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Cymbella silesiaca Bleisch Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.78 2.83
Frustulia rhomboides var. crassinervia (Brébisson ex Smith) Ross Yellowknife area, Northwest Territories, Canada (YEL) 0.27 0.78 2.22
Gomphonema parvulum (Kützing) Kützing Taimyr Peninsula, Russia (TAI) 0.30 0.78 1.26
Navicula agrestis Hustedt Northern Quebec (QUE) 0.20 0.78 3.60
Navicula arvensis Hustedt Northern Sweden (SWE) 0.30 0.78 1.55
Navicula cf. seminulum LEN-PEC-TAI CDD Lena River, Russia (LEN) 0.62 0.78 1.23
Navicula cocconeiformis Gregory ex Greville Taimyr Peninsula, Russia (TAI) 0.32 0.78 1.47
Navicula micropunctata Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.78 2.29
Navicula pseudoventralis Hustedt Yellowknife area, Northwest Territories, Canada (YEL) 0.78 0.78 0.78
Navicula sp. 4 DERMOT Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.23 0.78 1.74
Navicula utermoehlii Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.30 0.78 3.10
Nitzschia bryophila (Hustedt) Hustedt Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.78 0.78 0.78
Nitzschia cf. acicularis DERMOT Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.78 0.78 0.78
Nitzschia spp. DIAT_UME Northern Sweden (SWE) 0.17 0.78 3.10
Psammothidium broenlundense Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.19 0.78 3.34
Sellaphora bacillum (Ehrenberg) Mann Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.22 0.78 1.99
Sellaphora rectangularis (Gregory) Lange-Bertalot et Metzeltin Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.78 0.78 0.78
Stauroneis phoenicenteron (Nitzsch) Ehrenberg Taimyr Peninsula, Russia (TAI) 0.30 0.78 1.83
Stenopterobia delicatissima (Lewis) Brébisson ex Van Heurck 1896 Northern Quebec (QUE) 0.20 0.78 2.80
Synedra rumpens Kützing Southampton Island, Nunavut, Canada (SI) 0.20 0.78 1.37
Achnanthes saccula Carter Taimyr Peninsula, Russia (TAI) 0.29 0.77 1.52
Amphora pediculus (Kützing) Grunow Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.77 1.69
Aulacoseira distans (Ehrenberg) Simonsen Northern Sweden (SWE) 0.19 0.77 1.26
Cymbella cymbiformis Agardh Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.77 1.66
Cymbella naviculiformis Auerswald ex Héribaud Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.77 1.66
Cymbella naviculiformis Auerswald ex Héribaud Abisko, Sweden (ABK) 0.23 0.77 2.97
Eunotia arcus Ehrenberg Abisko, Sweden (ABK) 0.23 0.77 4.17
Eunotia praerupta Ehrenberg Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.77 1.66
Navicula jungii Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 0.77 1.34
Navicula lapidosa Krasske Lena River, Russia (LEN) 0.58 0.77 1.24
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