Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Cymbella gaeumannii Meister Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.65 0.89 1.13
Eunotia praerupta var. bidens (Ehrenberg) Grunow Yellowknife area, Northwest Territories, Canada (YEL) 1.13 1.13 1.13
Gomphonema acuminatum var. coronatum (Ehrenberg) Rabenhorst Northern Sweden (SWE) 0.18 0.61 1.13
Navicula cf. cocconeiformis CDD Pechora River, Russia (PEC) 0.29 0.70 1.13
Neidium ampliatum (Ehrenberg) Krammer Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.22 0.49 1.13
Pinnularia subcapitata Gregory Northern Sweden (SWE) 0.17 0.48 1.13
Achnanthes helvetica (Hustedt) Lange-Bertalot Yellowknife area, Northwest Territories, Canada (YEL) 0.31 0.73 1.12
Navicula sp. difficillima/pseudoarvensis YEL Yellowknife area, Northwest Territories, Canada (YEL) 0.58 0.86 1.12
Pinnularia decrescens var. ignorata Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 1.12 1.12 1.12
Psammothidium helveticum (Hustedt) Bukhtiyarova et Round Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.15 0.51 1.12
Cyclotella bodanica var. lemanica (O. Müller ex Schroter) Bachmann 1903 Northern Sweden (SWE) 0.36 0.73 1.11
Navicula jaernefeltii Hustedt 1942 Taimyr Peninsula, Russia (TAI) 0.63 0.87 1.11
Nitzschia linearis (Agardh ex Smith) Smith Taimyr Peninsula, Russia (TAI) 0.53 0.86 1.11
Pinnularia gibba var. linearis Hustedt Taimyr Peninsula, Russia (TAI) 0.30 0.71 1.11
Aulacoseira lirata (Ehrenberg) Ross Pechora River, Russia (PEC) 1.10 1.10 1.10
Gomphonema sp. 1 DIAT_UME Northern Sweden (SWE) 0.26 0.64 1.10
Platessa rupestris (Krasske) Lange-Bertalot Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.18 0.55 1.10
Navicula aff. elginensis DERMOT Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.38 0.71 1.09
Amphora pediculus (Kützing) Grunow Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 1.08 1.08 1.08
Cymbella cleve-eulerae Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.17 0.63 1.08
Psammothidium ventrale Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.35 0.63 1.08
Caloneis bacillum (Grunow) Cleve Northern Sweden (SWE) 0.28 0.53 1.07
Navicula difficillima Hustedt Lena River, Russia (LEN) 1.07 1.07 1.07
Navicula pseudoventralis Hustedt Lena River, Russia (LEN) 0.32 0.71 1.07
Navicula bacillum Ehrenberg Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 0.69 1.06
Navicula laevissima Kützing Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 0.51 1.06
Navicula pseudolanceolata var. denselineolata Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.35 0.71 1.06
Nitzschia amphibia Grunow Taimyr Peninsula, Russia (TAI) 0.32 0.69 1.06
Nitzschia dissipata var. media (Hantzsch) Grunow Taimyr Peninsula, Russia (TAI) 0.60 0.80 1.06
Oestrupia zachariasi (Reichelt) Hustedt 1950 Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 1.06 1.06 1.06
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