Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Stephanodiscus alpinus Hustedt Northern Sweden (SWE) 0.20 0.74 1.79
Surirella cf. roba SWE CDD Northern Sweden (SWE) 0.19 0.19 0.19
Surirella delicatissima Lewis Northern Sweden (SWE) 0.17 0.25 0.50
Surirella linearis Smith Northern Sweden (SWE) 0.30 0.30 0.30
Surirella linearis var. constricta Grunow 1862 Northern Sweden (SWE) 0.15 0.16 0.17
Surirella spp. DIAT_UME Northern Sweden (SWE) 0.19 0.21 0.24
Synedra nana Meister Northern Sweden (SWE) 0.20 1.59 3.34
Synedra parasitica (Smith) Hustedt Northern Sweden (SWE) 0.29 0.81 1.80
Synedra spp. DIAT_UME Northern Sweden (SWE) 0.19 0.44 0.85
Synedra tenera Smith Northern Sweden (SWE) 0.15 0.70 2.15
Synedra ulna (Nitzsch) Ehrenberg Northern Sweden (SWE) 0.17 0.32 0.49
Tabellaria binalis (Ehrenberg) Grunow Northern Sweden (SWE) 0.26 0.29 0.32
Tabellaria cf. flocculosa ABISKO (Roth) Kützing 1844 Northern Sweden (SWE) 0.15 0.49 1.69
Tabellaria flocculosa (Roth) Kützing Northern Sweden (SWE) 0.15 0.82 5.07
Tabellaria quadriseptata Knudsen Northern Sweden (SWE) 0.17 0.17 0.17
Tetracyclus lacustris Ralfs Northern Sweden (SWE) 0.49 0.63 0.77
Undetermined diatom [CDD] Northern Sweden (SWE) 0.19 2.91 11.24
Achnanthes amoena Hustedt Pechora River, Russia (PEC) 1.17 1.17 1.17
Achnanthes cf. marginulata PEC CDD Pechora River, Russia (PEC) 1.49 1.49 1.49
Achnanthes cf. saccula PEC CDD Pechora River, Russia (PEC) 1.17 1.17 1.17
Achnanthes chlidanos Hohn et Hellermann Pechora River, Russia (PEC) 0.29 1.46 8.63
Achnanthes conspicua Mayer Pechora River, Russia (PEC) 0.30 0.90 1.20
Achnanthes curtissima Carter Pechora River, Russia (PEC) 0.26 1.01 5.36
Achnanthes delicatula (Kützing) Grunow Pechora River, Russia (PEC) 0.60 1.03 1.46
Achnanthes delicatula subsp. hauckiana Pechora River, Russia (PEC) 1.17 1.17 1.17
Achnanthes didyma Hustedt Pechora River, Russia (PEC) 0.28 1.09 2.92
Achnanthes helvetica (Hustedt) Lange-Bertalot Pechora River, Russia (PEC) 0.30 0.82 1.58
Achnanthes marginulata Grunow Pechora River, Russia (PEC) 6.55 6.55 6.55
Achnanthes minutissima Kützing Pechora River, Russia (PEC) 0.28 1.30 4.46
Achnanthes peragalli Brun et Héribaud Pechora River, Russia (PEC) 0.30 0.30 0.30
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