Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Amphora libyca Ehrenberg 1840 Bylot Island, Nunavut, Canada. (BYL) 0.10 5.96 14.00
Cyclotella rossii DIAT_UME morphotype I Håkansson 1990 Abisko, Sweden (ABK) 0.25 2.98 14.00
Rossithidium petersenii Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.35 3.28 13.98
Pinnularia angustiborealis Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 13.95 13.95 13.95
Cyclotella tripartita Håkansson Lena River, Russia (LEN) 0.31 4.75 13.75
Amphora libyca Ehrenberg 1840 Abisko, Sweden (ABK) 0.21 1.71 13.71
Nitzschia pusilla Grunow Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.18 3.05 13.71
Navicula cincta (Ehrenberg) Ralfs Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.20 3.19 13.64
Achnanthes levanderi Hustedt Labrador, Canada (LAB) 0.20 1.94 13.60
Cymbella amphicephala Nägeli ex Kützing Abisko, Sweden (ABK) 0.22 1.77 13.58
Caloneis fusus Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.32 2.92 13.56
Fragilaria pinnata var. intercedens (Grunow) Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 2.83 13.53
Fragilaria cf. perminuta DERMOT CDD Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.38 6.14 13.52
Fragilaria virescens var. exigua Grunow Yellowknife area, Northwest Territories, Canada (YEL) 0.49 4.50 13.49
Achnanthes minutissima Kützing Yellowknife area, Northwest Territories, Canada (YEL) 0.85 6.30 13.48
Fragilaria pseudoconstruens Marciniak Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 4.30 13.44
Achnanthes minutissima Kützing Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 3.64 13.40
Navicula mediocris Krasske Abisko, Sweden (ABK) 0.24 2.02 13.40
Nitzschia perminuta (Grunow) Peragallo Abisko, Sweden (ABK) 0.23 2.36 13.33
Achnanthes minutissima Kützing Taimyr Peninsula, Russia (TAI) 0.30 3.37 13.30
Navicula minuscula var. muralis (Grunow) Lange-Bertalot Abisko, Sweden (ABK) 0.23 1.53 13.30
Achnanthes curtissima Carter Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.32 3.03 13.27
Nupela tenuicephala (Hustedt) Lange-Bertalot in Lange-Bertalot et Moser 1994 Labrador, Canada (LAB) 0.20 1.98 13.20
Cyclotella rossii Håkansson 1990 Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 4.30 13.16
Aulacoseira ambigua (Grunow) Simonsen Abisko, Sweden (ABK) 0.24 2.47 13.13
Navicula digitulus Hustedt Abisko, Sweden (ABK) 0.22 2.00 13.05
Navicula radiosa Kützing Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 0.74 13.04
Navicula pupula Kützing Northern Sweden (SWE) 0.18 1.86 13.02
Eunotia praerupta Ehrenberg Bylot Island, Nunavut, Canada. (BYL) 1.10 7.49 13.00
Achnanthes subatomoides (Hustedt) Lange-Bertalot et Archibald Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 1.91 12.95
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