Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Navicula angusta Grunow Northern Sweden (SWE) 0.22 0.27 0.33
Neidium hitchcockii (Ehrenberg) Cleve Yellowknife area, Northwest Territories, Canada (YEL) 0.25 0.27 0.29
Neidium sp. YEL Yellowknife area, Northwest Territories, Canada (YEL) 0.25 0.27 0.30
Cymbella elginensis Krammer Northern Sweden (SWE) 0.18 0.26 0.37
Cymbella reichardtii Krammer Northern Sweden (SWE) 0.24 0.26 0.28
Eunotia exigua (Brébisson ex Kützing) Rabenhorst Bylot Island, Nunavut, Canada. (BYL) 0.10 0.26 0.58
Fragilaria construens (Ehrenberg) Grunow 1862 Yellowknife area, Northwest Territories, Canada (YEL) 0.26 0.26 0.26
Fragilaria pinnata var. intercedens (Grunow) Hustedt Yellowknife area, Northwest Territories, Canada (YEL) 0.26 0.26 0.26
Gomphonema angustum Agardh 1831 Yellowknife area, Northwest Territories, Canada (YEL) 0.25 0.26 0.28
Hannaea arcus (Ehrenberg) Patrick 1966 Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.19 0.26 0.39
Navicula laterostrata Hustedt Yellowknife area, Northwest Territories, Canada (YEL) 0.26 0.26 0.26
Navicula salinarum Grunow Yellowknife area, Northwest Territories, Canada (YEL) 0.26 0.26 0.26
Nitzschia cf. commutata DERMOT Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.19 0.26 0.39
Achnanthes holsatica Hustedt Abisko, Sweden (ABK) 0.25 0.25 0.25
Achnanthes imperfecta Schimanski Abisko, Sweden (ABK) 0.25 0.25 0.25
Achnanthes petersenii Hustedt 1936 Abisko, Sweden (ABK) 0.25 0.25 0.25
Brachysira follis (Ehrenberg) R. Ross in Hartley 1986 Northern Sweden (SWE) 0.17 0.25 0.32
Brachysira serians (Brebisson) Round et Mann Abisko, Sweden (ABK) 0.25 0.25 0.25
Cymbella aspera (Ehrenberg) Peragallo Northern Sweden (SWE) 0.19 0.25 0.31
Cymbella subcuspidata Krammer Abisko, Sweden (ABK) 0.24 0.25 0.25
Eunotia circumborealis Lange-Bertalot et Nörpel Abisko, Sweden (ABK) 0.25 0.25 0.25
Eunotia hexaglyphis Ehrenberg Northern Sweden (SWE) 0.18 0.25 0.37
Eunotia monodon Ehrenberg Abisko, Sweden (ABK) 0.25 0.25 0.25
Eunotia serra var. diadema (Ehrenberg) Patrick Northern Sweden (SWE) 0.18 0.25 0.39
Navicula capitata Ehrenberg Abisko, Sweden (ABK) 0.25 0.25 0.25
Navicula mutica Kützing Abisko, Sweden (ABK) 0.25 0.25 0.25
Rhopalodia gibba (Ehrenberg) Müller Northern Sweden (SWE) 0.22 0.25 0.28
Stauroneis producta Grunow Yellowknife area, Northwest Territories, Canada (YEL) 0.25 0.25 0.25
Surirella delicatissima Lewis Northern Sweden (SWE) 0.17 0.25 0.50
Synedra parasitica (Smith) Hustedt Abisko, Sweden (ABK) 0.25 0.25 0.25
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