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Diversity and ecological characteristic of algae and cyanobacteria of thermokarst lakes in Yakutia (northeastern Russia)

Liubov Kopyrina
Liubov Kopyrina
, 
Elena Pshennikova
Elena Pshennikova
 y 
Sophia Barinova
Sophia Barinova
   | 18 jun 2020
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Article Category: Research Article
Publicado en línea: 18 jun 2020
Páginas: 99 - 122
Recibido: 03 oct 2019
Aceptado: 02 dic 2019
DOI: https://doi.org/10.1515/ohs-2020-0010
© 2020 Faculty of Oceanography and Geography, University of Gdańsk, Poland
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

Map of the studied lakes in Yakutia. 1 – Bestyakhskaya terrace, lakes Aalah, Kurelah, Sullah, Dyiere; 2 – Tyungulyunskaya terrace, lakes Ynah, Nal Tungulu, Large and Small Tungulu; 3 – Abalah Lake, Abalah terrace; 4 – Nidzhili Lake, Lena-Viluyskaya terrace
Map of the studied lakes in Yakutia. 1 – Bestyakhskaya terrace, lakes Aalah, Kurelah, Sullah, Dyiere; 2 – Tyungulyunskaya terrace, lakes Ynah, Nal Tungulu, Large and Small Tungulu; 3 – Abalah Lake, Abalah terrace; 4 – Nidzhili Lake, Lena-Viluyskaya terrace

Figure 2

Geographical location of the studied lakes in Yakutia. Bestyakhskaya terrace (a): 1 – Lake Aalah, 2 – Lake Kurelah, 3 – Lake Sullah, 4 – Lake Dyiere; Tyungulyunskaya terrace (b): 5 – Lake Ynah, 6 – Lake Nal Tungulu, 7 – Lake Tungulu; Abalahskaya terrace (c): 8 – Lake Abalah; Lena-Viluyskaya terrace (d): 9 – Lake Nidzhili. Scale bar 10 km
Geographical location of the studied lakes in Yakutia. Bestyakhskaya terrace (a): 1 – Lake Aalah, 2 – Lake Kurelah, 3 – Lake Sullah, 4 – Lake Dyiere; Tyungulyunskaya terrace (b): 5 – Lake Ynah, 6 – Lake Nal Tungulu, 7 – Lake Tungulu; Abalahskaya terrace (c): 8 – Lake Abalah; Lena-Viluyskaya terrace (d): 9 – Lake Nidzhili. Scale bar 10 km

Figure 3

Distribution of the taxonomic content (a) and substrate preferences (b) in the studied lakes of Yakutia. Abbreviations of lake names are the same as in Table 1. Abbreviations of ecological groups of substrate preferences: S – soil; Ep – epiphytes; B – benthic as a whole; P-B – planktic-benthic; P – planktic
Distribution of the taxonomic content (a) and substrate preferences (b) in the studied lakes of Yakutia. Abbreviations of lake names are the same as in Table 1. Abbreviations of ecological groups of substrate preferences: S – soil; Ep – epiphytes; B – benthic as a whole; P-B – planktic-benthic; P – planktic

Figure 4

Ecological preferences of water temperature (a) and oxygenation (b) indicators in the studied lakes of Yakutia. For abbreviations of lake names see Table 1. Abbreviations of ecological groups relative to water temperature: cool – preferring low temperature; temp – temperate temperature waters; eterm – eurythermal; warm – warm waters. Indicators of water disturbance and oxygenation: aer – aerophiles; str – well-oxygenated streaming waters; st-str, low streaming, moderately oxygenated waters; st – standing, poorly oxygenated waters; H2S – sulfide indicators
Ecological preferences of water temperature (a) and oxygenation (b) indicators in the studied lakes of Yakutia. For abbreviations of lake names see Table 1. Abbreviations of ecological groups relative to water temperature: cool – preferring low temperature; temp – temperate temperature waters; eterm – eurythermal; warm – warm waters. Indicators of water disturbance and oxygenation: aer – aerophiles; str – well-oxygenated streaming waters; st-str, low streaming, moderately oxygenated waters; st – standing, poorly oxygenated waters; H2S – sulfide indicators

Figure 5

Ecological preferences of water salinity (a) and pH (b) indicators in the studied lakes of Yakutia. For abbreviations of lake names see Table 1. Abbreviations of ecological groups of salinity indicators: hb – halophobes; i – chloridetolerated (indifferent); hl – halophiles; mh – mesohalobes; ph – polyhalobes. Water pH indicators: acf – acidophiles; ind – pH-indifferents; alf – alkaliphiles; alb – alkalibiontes
Ecological preferences of water salinity (a) and pH (b) indicators in the studied lakes of Yakutia. For abbreviations of lake names see Table 1. Abbreviations of ecological groups of salinity indicators: hb – halophobes; i – chloridetolerated (indifferent); hl – halophiles; mh – mesohalobes; ph – polyhalobes. Water pH indicators: acf – acidophiles; ind – pH-indifferents; alf – alkaliphiles; alb – alkalibiontes

Figure 6

Ecological preferences of organic pollution indicators according to the Watanabe indicator system (a) and Water Quality Classes according to Indices of saprobity by Sládeček (b) in the studied lakes of Yakutia. Abbreviations of lake names are the same as in Table 1. Abbreviations of ecological groups of saprobity indicators according to Watanabe: sx – saproxenes; es – eurysaprobes; sp – saprophiles. Class of Water Quality indicators are according to Sládeček indices of saprobity: Classes 1–5 according to the EU color code
Ecological preferences of organic pollution indicators according to the Watanabe indicator system (a) and Water Quality Classes according to Indices of saprobity by Sládeček (b) in the studied lakes of Yakutia. Abbreviations of lake names are the same as in Table 1. Abbreviations of ecological groups of saprobity indicators according to Watanabe: sx – saproxenes; es – eurysaprobes; sp – saprophiles. Class of Water Quality indicators are according to Sládeček indices of saprobity: Classes 1–5 according to the EU color code

Figure 7

Ecological preferences of algal nutrition preferences (a) and water trophic states (b) in the studied lakes of Yakutia. Names of the lakes are abbreviated as in Table 1. Abbreviations of ecological groups of nutrition types: ats – strong autotrophs; ate – autotrophic, resistant to low nitrogen load; hne – particular heterotrophs (mixotrophs); hce – mixotrophs constantly requiring a nitrogen load. Indicators of the trophic state: o – oligotraphentes; o-m – oligomesotraphentes; m – mesotraphentes; me – meso-eutraphentes; e – eutraphentes; o-e – from oligo- to eutraphentes; he – hypereutraphentes
Ecological preferences of algal nutrition preferences (a) and water trophic states (b) in the studied lakes of Yakutia. Names of the lakes are abbreviated as in Table 1. Abbreviations of ecological groups of nutrition types: ats – strong autotrophs; ate – autotrophic, resistant to low nitrogen load; hne – particular heterotrophs (mixotrophs); hce – mixotrophs constantly requiring a nitrogen load. Indicators of the trophic state: o – oligotraphentes; o-m – oligomesotraphentes; m – mesotraphentes; me – meso-eutraphentes; e – eutraphentes; o-e – from oligo- to eutraphentes; he – hypereutraphentes

Figure 8

Similarity tree of algal species richness in the nine studied lakes of Yakutia. Lake names are abbreviated as in Table 1
Similarity tree of algal species richness in the nine studied lakes of Yakutia. Lake names are abbreviated as in Table 1

Figure 9

Canonical correspondence plots for species richness in the nine lakes in Yakutia and environmental variables (a), and taxonomic richness in algal divisions and environmental variables (b)
Canonical correspondence plots for species richness in the nine lakes in Yakutia and environmental variables (a), and taxonomic richness in algal divisions and environmental variables (b)

Figure 10

JASP network graph of correlation of species richness in the nine lakes of Yakutia. Blue lines indicate positive correlation; red lines indicate negative correlation. Line thickness corresponds to the value of the correlation coefficient. Floristic cores are in dashed lines. Abbreviations of terrace names are given in the legend: B, Bestyakhskaya; A, Abalahskaya; T, Tungulunskaya; L, Lena-Viluyskaya
JASP network graph of correlation of species richness in the nine lakes of Yakutia. Blue lines indicate positive correlation; red lines indicate negative correlation. Line thickness corresponds to the value of the correlation coefficient. Floristic cores are in dashed lines. Abbreviations of terrace names are given in the legend: B, Bestyakhskaya; A, Abalahskaya; T, Tungulunskaya; L, Lena-Viluyskaya

Figure 11

Diagram of species richness and the index of the number of species per area (1 km2) in the nine lakes of Yakutia. Abbreviations of lake and terrace names are the same as in Table 1
Diagram of species richness and the index of the number of species per area (1 km2) in the nine lakes of Yakutia. Abbreviations of lake and terrace names are the same as in Table 1

Average morphometry, water chemistry, and abundance and biomass of phytoplankton values in the nine Yakutian lakes. In the Code column, names of the lakes are abbreviated for statistical calculations (Bestyakhskaya terrace is yellow, Tyungulyunskaya terrace is gray, Abalah terrace is beige, and Lena-Viluyskaya terrace is green)

Lake Code T °С mg О2l−1 pH TDS Cl− Abundance Biomass
mg l−1 mg l−1 × 106 cells l−1 mg l−1
Aalah B-Aal 15.8 10.3 8.0 794.6 18.6 96.0 7.5
Kurelah B-Kur 20.0 9 9.23 657.0 10.4 362.0 13.9
Sullah B-Sul 17.0 12.4 8.6 390.2 9.2 267.8 3.5
Dyiere B-Dyi 18.0 11.8 8.65 352.1 15.5 297.3 15.1
Ynah T-Yna 19.5 7.2 8.0 617.8 15 628.4 28.8
Nal Tungulu T-NalT 16.7 7.8 8.63 557.7 18.5 4.62 1.1
Tungulu T-Tun 17.8 8.0 9.84 2602.1 591.3 3.51 0.9
Abalah A-Aba 19.0 5.9 9.82 453034 13.5 - -
Nidzhili L-Nid 18.0 13.5 7.5 530 - 24.88 0.0006

Correlation matrix for algae species richness in the thermokarst lakes of Yakutia. Abbreviations of the lake names are the same as in Table 1. The most similar algal communities with higher Pearson coefficients are marked in red bold font.

B-Aal B-Kur B-Sul B-Dyi T-Yna T-NalT T- Tun A-Aba L-Nid
B-Aalah 1
B-Kurelah 0.10 1
B-Sullah 0.00 0.12 1
B-Dyiere 0.23 0.11 0.24 1
T-Ynah −0.07 0.02 0.20 0.12 1
T-Nal Tungulu −0.06 0.07 0.21 0.09 0.41 1
T-Tungulu −0.11 0.03 0.24 0.04 0.47 0.65 1
A-Abalah −0.21 −0.03 0.04 −0.01 0.05 0.36 0.20 1
L-Nidzhili −0.12 −0.03 0.05 −0.06 0.00 −0.01 0.01 −0.06 1

j.ohs-2020-0010.tab.004

Taxa
 B-Aal
 B-Kur
 B-Sul
 B-Dyi
 T-Yna
 T-NalT
 T-Tun
 A-Aba
 L-Nid
CYANOBACTERIA
Anabaena laxa A. Braun - - - - 1 - - - -
Anabaena oscillarioides Bory ex Bornet & Flahault - - - - 1 - - - -
Anabaena sp. 1 1 - - - - - - -
Anabaena sphaerica Bornet & Flahault - - - - - - - - 1
Anabaena verrucosa J.B.Petersen 1 - - - 1 - - - -
Anabaenopsis knipowitschii (Usachev) Komárek - 1 - - 1 - - - -
Anagnosti dinema amphibium (C.Agardh ex Gomont) Strunecký, Bohunická, J.R.Johansen et J.Komárek 1 - - - 1 - - - -
Anagnosti dinema tenue (Anisimova) Strunecky et al. 1 - 1 - 1 - - - -
Aphanizomenon flosaquae Ralfs ex Bornet & Flahault 1 1 - - - - - - 1
Aphanocapsa delicati ssima West & G.S.West 1 - - - 1 1 1 - -
Aphanocapsa grevillei (Berkeley) Rabenhorst 1 1 - - 1 1 - - -
Aphanocapsa parietina (Nägeli ex Kützing) Nägeli 1 - - 1 - - - - -
Aphanocapsa pulverea (Wood) Koval. 1 1 - - 1 1 1 - 1
Aphanothece salina Elenkin & Danilov - - - - - - - 1 -
Borzia trilocularis Cohn ex Gomont 1 - - - 1 - - - -
Calothrix flahauti i Frémy 1 1 - - - - - - -
Chondrocysti s sarcinoides (Elenkin) Komárek et Anagnostidis - - - - - - - 1 -
Chroococcus cohaerens (Brébisson) Nägeli - - - - - 1 1 1 -
Chroococcus minutus (Kützing) Nägeli 1 - - - 1 1 1 - -
Chroococcus turgidus (Kützing) Nägeli 1 - 1 - 1 1 1 1 1
Chroococcus vacuolatus Skuja 1 - - 1 - - - - -
Coleofasciculus chthonoplastes (Thuret ex Gomont) M.Siegesmund, J.R.Johansen & T.Friedl - - - - - - - 1 -
Cyanothece aeruginosa (Nägeli) Komárek - - - - - - - 1 -
Cyanothrix gardneri (Frémy) Kiselev 1 - - - 1 1 1 - -
Dactylococcopsis irregularis G.M. Smith 1 - - - - - - - -
Dactylococcopsis rupestris Hansgirg 1 1 - - - - - - -
Desmonostoc muscorum (C.Agardh ex Bornet & Flahault) Hrouzek & Ventura - - - - - - 1 - -
Dolichospermum fl osaquae (Brébisson ex Bornet & Flahault) P.Wacklin, L.Hoffmann & J.Komárek 1 - - 1 1 - - - 1
Dolichospermum jacuticum (Kiselev) Wacklin, L.Hoffmann & Komárek - - - - - - - - 1
Dolichospermum lemmermannii (Ricter) P.Wacklin, L.Hoffmann & J.Komárek - 1 - - - - - - -
Dolichospermum tenericaule (Nygaard) E.Zapomelová, O.Skácelová, P.Pumann, R.Kopp & E.Janecek - 1 - - - - - - -
Dolichospermum viguieri (Denis & Frémy) Wacklin, L.Hoffmann & Komárek 1 - - - - - - - -
Eucapsis alpina F.E.Clements & H.L.Schantz - - - - - 1 - 1 -
Gloeocapsa calcarea Tilden - - - - 1 1 1 1 -
Gloeocapsa kuetzingiana Nägeli ex Kützing - - - - - - 1 - -
Gloeocapsa turgida f. subnuda (Hansg.) Hollerb. 1 - - - - - - - -
Gloeotrichia natans Rabenhorst ex Bornet & Flahault - - - 1 - - - - -
Gloeotrichia pisum Thuret ex Bornet & Flahault - - - - - - - - 1
Gomphosphaeria cordiformis (Wille) Hansgirg - - - - 1 1 1 - -
Heteroleibleinia kossinskajae (Elenkin) Anagnosti dis & Komárek - - - - - - - - 1
Jaaginema geminatum (Schwabe ex Gomont) Anagnosti dis & Komárek - 1 - - - - - 1 -
Jaaginema minimum (Gicklhorn) Anagnosti dis & Komárek 1 - - - 1 - - - -
Jaaginema subtilissimum (Kützing ex Forti) Anagnosti dis & Komárek - - - - 1 - - - -
Johanseninema constrictum (Szafer) Hasler, Dvorák & Poulícková - - 1 1 1 - 1 - -
Kamptonema cortianum (Meneghini ex Gomont) Strunecký, Komárek & J.Smarda - 1 - - - - - - -
Kamptonema formosum (Bory ex Gomont) Strunecký, Komárek & J.Smarda - 1 - - - - - - -
Leptolyngbya foveolara (Gomont) Anagnosti dis & Komárek 1 - - - - - - - -
Leptolyngbya perelegans (Lemmermann) Anagnosti dis & Komárek - - - - - - - 1 -
Limnoraphis hieronymusii (Lemmermann) J.Komárek, E.Zapomelová, J.Smarda, J.Kopecky, E.Rejmánková, J.Woodhouse, B.A.Neilan & J.Komárková - - - - 1 - - - -
Limnothrix guttulata (Goor) I.Umezaki & M.Watanabe - 1 - - 1 1 - - -
Limnothrix mirabilis (Böcher) Anagnosti dis 1 1 1 1 1 1 1 - 1
Lyngbya lutea Gomont ex Gomont - - - - - - - - -
Merismopedia elegans A.Braun ex Kützing - 1 - - - - - - 1
Merismopedia glauca (Ehrenberg) Kützing 1 - - - 1 1 1 - -
Merismopedia major (G.M. Sm.) Geitler in Pascher 1 - - - - - - - -
Merismopedia minima G.Beck - 1 - - 1 1 1 1 -
Merismopedia punctata Meyen 1 - - 1 - 1 - 1 -
Merismopedia tenuissima Lemmermann 1 1 1 1 1 1 1 - -
Microcoleus amoenus (Gomont) Strunecky, Komárek & J.R.Johansen - - 1 - - - - - -
Microcoleus attenuatus (Fritsch) Strunecky, Komárek & J.R.Johansen 1 1 - - - - - - -
Microcystis aeruginosa (Kützing) Kützing - 1 - - 1 - - - 1
Microcystis endophytica (G.M. Smith) Elenkin 1 1 - 1 1 1 1 1 -
Microcystis firma (Kützing) Schmidle 1 1 - - - - - - -
Microcystis fl osaquae (Witt rock) Kirchner 1 1 - - 1 - 1 - -
Microcystis ichthyoblabe (G.Kunze) Kützing 1 - - - 1 1 1 - -
Nostoc caeruleum Lyngbye ex Bornet & Flahault - - - - - - - - 1
Nostoc commune f. sphaericum (Vaucher) Elenkin - - - - 1 - - - -
Nostoc commune Vaucher ex Bornet & Flahault - - - - 1 - - - -
Nostoc kihlmanii Lemmermann - - - - - - - - 1
Nostoc linckia Bornet ex Bornet & Flahault - - 1 - 1 - 1 - -
Nostoc microscopicum Carmichael ex Bornet & Flahault - - - - 1 - 1 - -
Nostoc paludosum f. longius Kossinska - - - - 1 - 1 - -
Nostoc paludosum Kützing ex Bornet & Flahault 1 - 1 - 1 - - 1 1
Nostoc pruniforme C.Agardh ex Bornet & Flahault f. pruniforme - - - - - - 1 - -
Nostoc punctiforme Hariot f. punctiforme - - - - - - - - 1
Nostoc punctiforme f. populorum (Geitler) Hollerbach - - - - 1 - - - -
Oscillatoria anguina Bory ex Gomont - - - 1 1 - - - -
Oscillatoria attenuata Woronichin - - 1 - - - - - -
Oscillatoria chalybea f. conoidea Poljansky 1 1 - - - - - - -
Oscillatoria curviceps C.Agardh ex Gomont 1 - - - - - - 1 -
Oscillatoria fulgens Böcher - 1 - - - - - - -
Oscillatoria gracilis Böcher 1 1 - - - - - - -
Oscillatoria granulata f. sibirica V. Poljansky 1 - - - - - - - 1
Oscillatoria komarovii Anissimova et Elenkin - - - - - - - 1 -
Oscillatoria lacustris Klebahn ex Geitler - - - - - - - 1 -
Oscillatoria planctonica Woloszynska - - - - 1 1 1 - 1
Oscillatoria quadripunctulata f. crassa (Anissimova) Elenkin et Starmach 1 - - - - - - - -
Oscillatoria rupicola (Hansgirg) Hansgirg ex Forti 1 - - - - - - 1 -
Oscillatoria simplicissima Gomont 1 - - 1 1 1 1 - -
Phormidesmis molle (Gomont) Turicchia, Ventura, Komárková & Komárek - 1 - - - - - - -
Phormidium boryanum (Bory ex Gomont) Anagnosti dis & Komárek 1 - - - - - - - -
Phormidium breve (Kützing ex Gomont) Anagnosti dis & Komárek 1 1 - 1 1 1 1 1 -
Phormidium chalybeum (Mertens ex Gomont) Anagnosti dis & Komárek 1 1 - - - - - - -
Phormidium granulatum (N.L.Gardner) Anagnosti dis 1 - - - - - - - 1
Phormidium irriguum (Kützing ex Gomont) Anagnosti dis & Komárek 1 - - - 1 1 1 1 -
Phormidium lucidum Kützing ex Gomont 1 - - - - - - - -
Phormidium paulsenianum f. popovianum Elenkin - - - - - 1 - 1 -
Phormidium paulsenianum J.B.Petersen - - - - - - - 1 -
Phormidium terebriforme (C.Agardh ex Gomont) Anagnosti dis & Komárek - - - - 1 - - - -
Phormidium uncinatum Gomont ex Gomont - - - - - 1 1 1 -
Pseudanabaena mucicola (Naumann & Huber-Pestalozzi) Schwabe 1 1 - - - - - - -
Rivularia dura Roth ex Bornet & Flahault - - - - - - - - 1
Snowella lacustris (Chodat) Komárek & Hindák 1 1 1 1 1 1 1 - -
Snowella rosea (J.W.Snow) Elenkin - 1 - - - - - - -
Spirulina major Kützing ex Gomont 1 1 - 1 - - - - -
Spirulina minima A.Wurtz - - - - 1 - - - -
Spirulina subtilissima Kützing ex Gomont - 1 - - - - - - -
Stenomitos frigidus (F.E.Fritsch) Miscoe et J.R.Johansen in Miscoe et al. - 1 - - - - - - -
Synechocystis salina Wislouch - - - - - - - 1 -
Trichormus reverdattoanus (T.G.Popova et M.Degterieva) Komárek et Anagnosti dis - - - - - - - 1 -
Trichormus variabilis (Kützing ex Bornet & Flahault) Komárek & Anagnosti dis 1 1 - - - 1 1 - -
BACILLARIOPHYTA
Achnanthes borealis A.Cleve 1 1 - - - - - - -
Amphora ovalis (Kützing) Kützing 1 1 1 - - - - - 1
Aulacoseira italica (Ehrenberg) Simonsen 1 1 - - - - - - -
Caloneis amphisbaena (Bory) Cleve 1 1 - 1 - - - - -
Caloneis westii (W.Smith) Hendey - - - - - - - 1 -
Chaetoceros muelleri Lemmermann - - - - - - - 1 -
Cocconeis neodiminuta Krammer 1 1 - - - - - - -
Cocconeis pediculus Ehrenberg var. minutissima Poretzky 1 1 - - - - - - -
Cocconeis placentula Ehrenberg 1 1 1 1 1 1 - 1 -
Cyclotella caspia Grunow - - - - - - - 1 -
Cyclotella comta Kützing 1 - - - - - - - -
Cyclotella glabriuscula (Grunow) Håkansson 1 - - - - - - - -
Cyclotella meneghiniana Kützing 1 1 - - - - - - -
Cyclotella stelligera Cleve & Grunow 1 - - - - - - - -
Cylindrotheca closterium (Ehrenberg) Reimann & J.C.Lewin - - - - - - - 1 -
Cymatopleura elliptica (Brébisson) W.Smith 1 1 - 1 - - - - -
Cymbella affinis Kützing 1 1 - 1 - - - - -
Cymbella cymbiformis Agardh 1 - - 1 - - - - -
Cymbella neocistula Krammer 1 - - 1 - - - - -
Cymbella parva (W. Smith) Kirchner 1 - - 1 - - - - -
Cymbella tartuensis Molder 1 - - 1 - - - - -
Cymbella tumida (Brébisson) van Heurck 1 - - - - - - - -
Cymbellafalsa diluviana (Krasske) Lange-Bertalot & Metzeltin - - - - 1 - - - -
Diatoma vulgaris Bory 1 - - - - - - - -
Encyonema prostratum (Berkeley) Kützing 1 - - - - - - - 1
Epithemia adnata (Kützing) Brébisson 1 - - - - - - - 1
Epithemia turgida (Ehrenberg) Kützing - - - - - - - 1 -
Eucocconeis elliptica Saw -Dolg. - 1 - - - - - - -
Eunoti a fallax A.Cleve 1 - - - - - - - -
Eunoti a lunaris (Ehrenberg) Grunow 1 - 1 1 1 1 1 - -
Eunotia praerupta Ehrenberg - - - - 1 - - - -
Eunotia sudetica Otto Müller 1 - - - - - - - -
Eunotia veneris (Kützing) De Toni 1 - - - - - - - -
Fragilaria capucina Desmazières var. capucina - - - - 1 - - - -
Fragilaria capucina var. vaucheriae (Kützing) Lange-Bertalot 1 - - - 1 1 - - -
Fragilaria tenera (W.Smith) Lange-Bertalot - - - 1 - - - - -
Gomphonema acuminatum Ehrenberg 1 - - - 1 - - - 1
Gomphonema angustum C.Agardh - 1 - - - - - - -
Gomphonema augur Ehrenberg 1 1 - - - - - - -
Gomphonema brebissonii Kützing 1 - - 1 - - - - -
Gomphonema capitatum Ehrenberg 1 - - 1 - - - - -
Gomphonema coronatum Ehrenberg 1 - - 1 - - - - -
Gomphonema olivaceum (Hornemann) Brébisson 1 - - - 1 - - - -
Gomphonema parvulum Kützing 1 - - - 1 - - - -
Gomphonema salinarum (Pantosek) Cleve - - - - - - - 1 -
Gomphonema subclavatum (Grunow) Grunow - - - - - - - - -
Gomphonema tergestinum (Grunow) Fricke - - - - 1 - - - -
Gomphonema truncatum Ehrenberg 1 - - 1 - - - - 1
Hannaea arcus (Ehrenberg) R.M.Patrick var. arcus - - - - - - - - 1
Hannaea arcus var. amphioxys (Rabenhorst) R.M.Patrick 1 - - - - - - - -
Hantzschia amphioxys (Ehrenberg) Grunow var. amphioxys 1 - - - - - - - 1
Hantzschia amphioxys var. subsalsa Wislouch & Poretzky - - - - - - - - 1
Hippodonta hungarica (Grunow) Lange-Bertalot, Metzeltin & Witkowski 1 1 - - 1 - - 1 -
Luticola mutica (Kützing) D.G.Mann 1 1 - - 1 1 1 1 -
Melosira varians C.Agardh - - - - - - - - 1
Meridion circulare (Greville) C.Agardh 1 - - - - - - - -
Navicula bacillum f. gregoryana Grunow 1 - - 1 - - - - -
*Navicula cincta var. heufleri (Grunow) Grunow 1 - - - - - - 1 -
Navicula crucicula (W. Smith) Donkin - - - - - - - 1 -
*Navicula cryptocephala var. intermedia Grunow 1 - - 1 - - - - -
Navicula cryptotenella Lange-Bertalot - 1 - - 1 - - 1 -
Navicula gottlandica Grunow 1 - - - - - - - -
Navicula kefvingensis (Ehrenberg) Kützing - - - - - - - 1 -
Navicula lanceolata (Agardh) Kützing - - - - 1 - - - -
Navicula menisculus Schumann 1 - - 1 - - - 1 -
Navicula oblonga (Kützing) Kützing - 1 - - - - - - -
Navicula peregrina var. lanceolata Skvortzov - - - 1 1 - - 1 -
Navicula placentula f. rostrata A.Mayer - - - - - 1 1 1 -
Navicula radiosa Kützing 1 1 1 1 1 1 1 1 1
Navicula simplex Krasske 1 - - 1 1 - - - -
Navicula zeta Cleve - - - - - - - 1 -
Neidium affine (Ehrenberg) Pfizer 1 - - 1 - - - - -
Neidium bisulcatum (Lagerstedt) Cleve - - - - - - - - 1
Nitzschia acicularis (Kützing) W.Smith - 1 - - - - - - -
Nitzschia gandersheimiensis f. tenuirostris (Grunow) Lange-Bertalot - - - - - - - 1 -
Nitzschia gracilis Hantzsch - - - - - - - - 1
Nitzschia holsatica Hustedt 1 - - 1 - - - - -
Nitzschia linearis W.Smith 1 - - - - - - - -
Nitzschia palea (Kützing) W.Smith 1 1 - 1 1 - - 1 -
Nitzschia paleacea Grunow 1 1 - - - - - - 1
Nitzschia sigma (Kützing) W.Smith - - - - - - - 1 -
Nitzschia sigmoidea (Nitzsch) W.Smith 1 1 - - 1 - 1 - -
Nitzschia sublinearis Hustedt 1 - - 1 - - - - -
Nitzschia vermicularis (Kützing) Hantzsch 1 - - - - - - 1 -
Odontidium elongatum var. actinastroides (Krieger) R.M. Pathrick - - - - 1 - 1 - -
Paraplaconeis placentula (Ehrenberg) M.S.Kulikovskiy et Lange-Bertalot - - - - - - - 1 -
Pinnularia biceps W.Gregory - - 1 - - - - - -
Pinnularia borealis Ehrenberg 1 - - - - - - - -
Pinnularia brebissonii (Kützing) Rabenhorst 1 - - - - - - - -
Pinnularia isostauron (Ehrenberg) Cleve 1 - - - - - - - -
Pinnularia lata (Brébisson) W.Smith 1 - - 1 - - - - -
Pinnularia major (Kützing) Rabenhorst - - - - - - - - 1
Pinnularia viridis (Nitzsch) Ehrenberg 1 - - - - - - - -
Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot 1 1 - - 1 - - - -
Rhopalodia gibba (Ehrenberg) Otto Müller - - - - - - - - 1
Stauroneis anceps Ehrenberg 1 - - 1 1 - 1 - 1
Stephanodiscus hantzschii Grunow - - - - - - - 1 -
Surirella elegans Ehrenberg 1 - - 1 - - - - -
Surirella linearis W.Smith - - - - - - - - 1
Surirella peisonis Pantocsek - - - - - 1 1 1 -
Tabellaria fenestrata (Lyngbye) Kützing - 1 - - - - - - 1
Tabellaria flocculosa (Roth) Kützing - - - - - - - - 1
Tabularia parva (Kützing) Williams et Round 1 - - 1 - - - - -
Tabularia tabulata (C.Agardh) Snoeijs 1 1 - 1 1 - - 1 -
Ulnaria amphirhynchus (Ehrenberg) Compère & Bukhtiyarova - 1 1 1 - - - - -
Ulnaria biceps (Kützing) P.Compère 1 1 - - - - - - -
Ulnaria delicati ssima var. angustissima (Grunow) Aboal & P.C.Silva 1 - - - - - - - -
Ulnaria ulna (Nitzsch) P.Compère 1 1 - 1 1 - - - 1
Urosolenia eriensis (H.L.Smith) Round & R.M.Crawford - 1 - - - - - 1 -
CRYPTOPHYTA
Cryptomonas ovata Ehrenberg - - - - 1 1 - - -
Rhodomonas salina (Wislouch) D.R.A.Hill & R.Wetherbee - - - - - - - 1 -
OCHROPHYTA (Chrysophyta)
Atraktochrysis rotans Focke - - - - 1 - - - -
Dinobryon bavaricum Imhof - 1 - - - - - - -
Dinobryon sociale (Ehrenberg) Ehrenberg var. sociale - 1 - - - - - - -
Dinobryon sociale var. americanum (Brunnthaler) Bachmann - 1 - - - - - - -
Ellipsoidion regulare Pascher - - - - - 1 1 1 -
Ellipsoidion solitare (Geitler) Pascher - - - - - 1 1 1 -
Ellipsoidion stichococcoides Pascher - - - - - 1 - 1 -
Mallomonas allorgei (M.Deflandre) W.Conrad - - - 1 - - - - -
Mallomonas alpina Pascher & Ruttner 1 - - - - - - - -
Neotessella lapponica (Skuja) B.Y.Jo, J.I.Kim, W.Shin, P.Škaloud et P.A.Siver 1 - - - - - - - -
Ochromonas polychrysis Skuja 1 - - - - - - - -
Synura glabra Korshikov - - - - 1 1 1 - -
Synura uvella Ehrenberg - 1 - - - - - - -
OCHROPHYTA (Raphydophyta)
*Gonyostomum intermedium Skuja - - - - 1 1 1 - -
Vacuolaria virescens Cienkowski - - - - 1 - 1 - -
OCHROPHYTA (Xanthophyta)
Akanthochloris bacillifera Pascher 1 - - - - - - - -
Botrydiopsis eriensis Snow 1 - - - - - - - -
Botryochloris minima Pascher 1 - - - - - - - -
Characiopsis acuta (A.Braun) Borzi 1 - - - - - - - -
Characiopsis anabaenae Pascher 1 - - - - - - - -
Characiopsis anas Pascher 1 - - - - - - - 1
Characiopsis aquilonaris Skuja 1 - - - - - - - -
Characiopsis minima Pascher 1 - - - - - - - -
Characiopsis pyriformis (A. Braun) Borzi f. pyriformis 1 - - - - - - - -
Characiopsis pyriformis var. subsessilis Lemmermann 1 - 1 - - - - - -
Characiopsis saccata Carter 1 - - - - - - - -
Characiopsis spina Pascher 1 - - - - - - - -
Characiopsis tuba (Herm.) Lemmermann 1 - - 1 - - - - -
Characiopsis varians Pascher 1 - - - - - - - -
Chlorallantus attenuatus Pascher 1 1 - - - - - - -
Chloropedia plana Pascher - - 1 1 - - - - -
Gloeoskene turfosa Fott 1 - - - - - - - -
Heterococcus polymorphus (J.W.Snow) Vischer - - - 1 - - - - -
Heteropedia simplex Pascher 1 - - - - - - - -
Ophiocytium arbusculum (A.Braun ex Kützing) Sande Lacoste & Suringar - - 1 - - - - - -
Ophiocytium cochleare (Eichwald) A.Braun - - 1 - - - - - 1
Pleurochloris polychloris Pascher - - - - - 1 1 1 -
Tribonema affine (Kützing) G.S.West - - - - 1 - - - -
Tribonema elegans Pascher 1 1 - - - - - - -
Tribonema minus (Wille) Hazen - - - 1 - - - - -
Tribonema spirotaenia Ettl 1 1 - - - - - - -
Tribonema subtilissimum Pascher - 1 - - - - - - -
Tribonema viride Pascher - - - - - - - - 1
Tribonema vulgare Pascher - 1 - - - - - - 1
EUGLENOZOA
Distigma gracile E.G.Pringsheim 1 - - - - - - - -
Euglena deses Ehrenberg 1 - - - - - - - -
Euglena gracilis Klebs 1 - - - - - - - -
Euglena pisciformis G.A. Klebs 1 - - - - - - - -
Euglena viridis (O.F.Müller) Ehrenberg 1 1 - 1 1 - - - -
Lepocinclis ovum (Ehrenberg) Lemmermann - 1 - - - - - - -
Lepocinclis oxyuris (Schmarda) Marin & Melkonian - - - 1 - - - - -
Monomorphina pyrum (Ehrenberg) Mereschkowsky 1 1 - - - - - - -
Phacus alatus G.A.Klebs - 1 - - - - - - -
Phacus caudatus var. minor Drezepolski 1 - - - - - - - -
Phacus hamelii P.Allorge & M.Lefèvre - 1 - - - - - - -
Phacus lismorensis Playfair 1 - - - - - - - -
Phacus longicauda (Ehrenberg) Dujardin. 1 - - - - - - - -
Phacus parvulus G.A.Klebs - 1 - - - - - - -
Phacus pleuronectes (O.F.Müller) Nitzsch ex Dujardin 1 1 - - - - - - -
Phacus raciborskii Drezepolski 1 - - - - - - - -
Phacus setosus Francé 1 1 - - - - - - -
Strombomonas acuminata (Schmarda) Deflandre - - - - - - - 1 -
Strombomonas eurystoma (F.Stein) T.G.Popova - - - - - 1 1 - 1
Trachelomonas australica (Playfair) Deflandre 1 - - 1 - - - - -
Trachelomonas hispida (Perty) F.Stein - - - 1 - - - - -
Trachelomonas planctonica Svirenko 1 1 - - - - - - -
Trachelomonas volvocina (Ehrenberg) Ehrenberg - - - - 1 - 1 - 1
MIOZOA (Dinofl agellata)
Ceratium hirundinella (O.F.Müller) Dujardin - - - - - - - - 1
Glenodinium discoidale Harris - - - - 1 - 1 - -
Gyrodinium pusillum (A.J.Schilling) Kofoid & Swezy - - - - 1 - 1 - -
Katodinium woloszynskae (J. Schiller) A.R. Loeblich - - - - 1 - 1 - -
Peridinium cinctum var. tuberosum (Meunier) Lindemann 0 - - - 1 - 1 - -
CHLOROPHYTA
Actinastrum hantzschii Lagerheim - 1 - - - - - - -
Acutodesmus bernardii (G.M.Smith) E.Hegewald, C.Bock & Krienitz 1 - - - - - - - -
Bulbochaete intermedia De Bary ex Hirn - - - - - - - - 1
Characium braunii Brügger 1 - - 1 1 - - - -
Characium ornithocephalum A.Braun - - 1 - - - - - -
Chlamydocapsa ampla (Kützing) Fott - - - - 1 - - - -
Chlamydomonas conferta Korshikov 1 1 - 1 - - - - -
Chlamydomonas costata Korshikov 1 1 - - 1 1 - - -
Chlamydomonas debaryana var. atactogama (Korshikov) Gerloff 1 - - - - - - - -
Chlamydomonas leiostraca (Strehlow) H.Ett l in Komárek et Ettl 1 - - - - - - - -
Chlamydomonas sp. - - - 1 1 - - - -
Chlamydomonas tetragama (Bohlin) Wille 1 - - - - - - - -
Chlorangiella asymmetrica (Korshikov) Hindák - - - - 1 1 - - -
Chlorococcum hyphnosporum Starr 1 1 - - - - - - -
Chlorococcum sp. 1 1 - - - - - - -
Chlorogonium elongatum (P.A.Dangeard) Francé 1 - - - - - - - -
Chloromonas incrassata (Pascher) Korschikov ex H.Ett l - - - 1 1 1 - - -
Coelastrum microporum Nägeli 1 - - - 1 - 1 - 1
Coenocysti s planctonica Korshikov - 1 - - - - - - -
Crucigeniella irregularis (Wille) P.M.Tsarenko & D.M.John 1 - - 1 - - - - -
Desmodesmus abundans (Kirchner) E.H.Hegewald 1 1 - - - - - - -
Desmodesmus armatus (Chodat) E.H.Hegewald 1 1 - - - - - - -
Desmodesmus asymmetricus (Schröder) E.Hegewald 1 - - - - - - - -
Desmodesmus brasiliensis (Bohlin) E.Hegewald 1 - - - - - - - -
Desmodesmus denticulatus (Lagerheim) S.S.An, T.Friedl & E.Hegewald var. denticulatus 1 - - - - - - - -
Desmodesmus denticulatus var. linearis (Hansgirg) E.Hegewald 1 - - - - - - - -
Desmodesmus granulatus (West & G.S.West) Tsarenko 1 - - 1 1 - - - -
Desmodesmus hystrix (Lagerheim) E.Hegewald 1 - - - - - - - -
Desmodesmus lefevrei (Deflandre) S.S.An, T.Friedl & E.H.Hegewald 1 - - 1 - - - - -
Desmodesmus magnus (Meyen) Tsarenko 1 1 - - - - - - -
Desmodesmus maximus (West & G.S.West) Hegewald 1 1 1 1 1 1 1 1 1
Desmodesmus serratus (Corda) S.S.An, Friedl & E.Hegewald - - - - - - - - 1
Desmodesmus spinosus (Chodat) E.Hegewald - 1 - - - - - - -
Desmodesmus subspicatus (Chodat) E.Hegewald & A.Schmidt - - - - - 1 - - -
Dictyosphaerium ehrenbergianum Nägeli 1 1 - - - - - - 1
Dictyosphaerium pulchellum Wood - - 1 1 1 1 1 - -
Dispora crucigenioides Printz 1 1 - 1 1 - 1 - -
Dispora speciosa Korshikov - - - - 1 1 1 - -
Dunaliella salina (Dunal) Teodoresco - - - - - - - 1 -
Gloeotila mucosa Kützing 1 - - - - - - - -
Gonium pectorale O.F.Müller 1 - - - - - - - -
Heleochloris pallida Korshikov - - 1 - - - 1 - -
Hindakia tetrachotoma (Printz) C.Bock, Pröschold & Krienitz 1 1 1 1 1 1 - - -
Hormotilopsis gelatinosa Trainor et Bold 1 - - - - - - - -
Hyaloraphidium contortum Pascher & Korshikov - 1 - 1 - - - - -
Hydrianum diogenes (F.W.Jane) Fott - - - - 1 - - - -
Hydrianum variabile Korshikov - - - - 1 - - - -
Kirchneriella dianae var. major (Korshikov) Comas 1 - - - - - - - -
Kirchneriella irregularis var. spiralis Korshikov - 1 - - - - - - -
Kirchneriella obesa (West) West & G.S.West - 1 - - 1 1 1 - -
Korshikoviella limnetica (Lemmermann) P.C.Silva 1 - - - - - - - -
Lacunastrum gracillimum (West & G.S. West) H.McManus - 1 - - - - - - -
Lagerheimia wratislaviensis Schröder - 1 - - - - - - -
Lemmermannia staurogeniaeforme (Schröd.) Lemm. - 1 - - - - - - -
Lemmermannia triangularis (Chodat) C.Bock et Krienitz - - - 1 - - - - -
Micractinium appendiculatum Korshikov - 1 - - - - - - -
Monoraphidium arcuatum (Korshikov) Hindák 1 1 1 1 - - - - -
Monoraphidium contortum (Thuret) Komárková-Legnerová - 1 - - 1 - - - 1
Monoraphidium griffithii(Berkeley) Komárková-Legnerová - - - 1 - - - - -
Monoraphidium minutum (Nägeli) Komárková-Legnerová 1 1 - - - - - - -
Mychonastes anomalus (Korshikov) Krienitz, C.Bock, Dadheech & Proschold 1 1 1 1 1 - - - -
Neochloris dissecta (Korshikov) Tsarenko 1 - - - - - - - -
Oedogonium nodulosum Witt rock 1 1 1 1 - - - - -
Oedogonium undulatum A.Braun ex Hirn 1 - - - 1 - - - 1
Oocysti s lacustris Chodat - - 1 - 1 - 1 - -
Oocysti s marssonii Lemmermann 1 - - 1 - - - - -
Oocysti s naegelii A.Braun 1 1 1 1 - - - - -
Pandorina charkowiensis Korschikov - - - - 1 1 1 - -
Pandorina morum (O.F.Müller) Bory 1 1 - 1 - - - - -
Pediastrum angulosum Ehrenberg ex Meneghini 1 - - - - - - - -
Pediastrum duplex Meyen var. duplex 1 - - - - - - - 1
Pediastrum duplex var. inflatum Woloszynska - - - - 1 1 1 - -
Pediastrum duplex var. subgranulatum Raciborski - 1 - - - - - - -
Pediastrum simplex Meyen 1 1 1 1 1 1 1 - -
Pediastrum tetras (Ehrenberg) Ralfs var. tetras - - - - - - - 1 1
Pediastrum tetras var. tetraodon (Corda) Hansgirg - - - - - 1 1 - -
Protococcus vulgaris (Greville) Kützing 1 1 - - - - - - -
Pseudopediastrum boryanum (Turpin) E.Hegewald 1 1 - 1 1 1 1 1 1
Pseudopediastrum kawraiskyi (Schmidle) E.Hegewald - - - - - - - - 1
Pyramichlamys salina (Wislouch) H.Ettl et O.Ettl - - - - - - - 1 -
Pyrobotrys stellatus (Korshikov) Korshikov 1 - - - - - - - -
Rhizothallus islandicus P.Dangeard - - - - 1 1 - 1 -
Scenedesmus apiculatus (West & G.S.West) Chodat 1 - - - - - - - -
Scenedesmus arcuatus (Lemmermann) Lemmermann 1 - - 1 - - - - -
Scenedesmus armatus (Chodat) Chodat 1 1 - 1 1 1 - 1 -
Scenedesmus caudato-aculeolatus Chodat 1 - - - - - - - -
Scenedesmus ellipticus Corda 1 1 1 - 1 1 1 - -
Selenastrum bibraianum Reinsch 1 1 - - - - - - -
Sphaerocystis schroeteri Chodat - - 1 - - - - - -
Spongiococcum tetrasporum Deason emend. Deason 1 - - - - - - - -
Stigeoclonium setigerum Kützing - - - - - - - - 1
Tetradesmus cumbricus var. apiculatus Korschikov 1 1 - 1 - - - - -
Tetradesmus lagerheimii M.J.Wynne et Guiry 1 1 1 1 1 1 1 1 1
Tetradesmus obliquus (Turpin) M.J.Wynne - - - - - - - 1 1
Tetradesmus triacanthum Korschikov 1 - - - - - - - -
Tetraëdron caudatum (Corda) Hansgirg var. caudatum - - - - - 1 1 1 -
Tetraëdron caudatum var. longispinum Lemmermann 1 1 - - - 1 1 1 -
Tetraëdron minimum (A.Braun) Hansgirg 1 1 1 1 1 1 1 1 1
Tetraëdron minutissimum Korschikov 1 - - - - - - - -
Treubaria schmidlei (Schröder) Fott & Kovácik - - - - 1 1 - - -
Trochiscia aciculifera (Lagerheim) Hansgirg 1 1 - - - 1 1 1 1
Trochiscia granulata (Reinsch) Hansgirg - 1 1 - 1 1 1 1 -
Ulothrix zonata (F.Weber & Mohr) Kützing 1 - - - - - - - -
Ulva intestinalis Linnaeus - - - - 1 1 - 1 -
Ulva pilifera (Kützing) Škaloud et Leliaert - - - - 1 1 1 1 -
Ulvella leptochaete (Huber) R.Nielsen, C.J.O'Kelly et B.Wysor 1 - - - - - - - -
Verrucodesmus verrucosus (Y.V.Roll) E.Hegewald - - 1 - - - - - -
Volvox aureus Ehrenberg - - - - 1 - - - -
CHAROPHYTA
Closterium acerosum Ehrenberg ex Ralfs 1 - - - 1 - - - -
Closterium boeckii Wille - - - - - 1 - 1 -
Closterium botrytis Meneghini 1 - - - 1 1 - - 1
Closterium didymotocum Corda ex Ralfs - - - - - - - 1 -
Closterium gayanum De Toni 1 - - - - - - - -
Closterium granulatum Brébisson 1 - - - 1 - - 1 -
Closterium incertum var. borgei Krieger et Gerloff 1 - - - 1 - - - -
Closterium laeve Rabenhorst 1 - - 1 - - - - -
Closterium littorale f. minus Komarenko 1 - - - - - - - -
Closterium meneghinii Brébisson 1 - - - 1 - - - 1
Closterium moniliferum Ehrenberg ex Ralfs - - - - 1 - - - 1
Closterium obtusatum (Schmidle) Schmidle 1 - - - 1 - - - -
Closterium praecisum Borge - - 1 - 1 - - - -
Closterium punctulatum Brébisson var. punctulatum - - - - - - - - 1
Closterium punctulatum var. rotundatum Klebs 1 - - - 1 - - - -
Closterium rectangulare Grunow - - - 1 1 - - - -
Closterium regnellii Wille 1 - - - - - - - -
Closterium subprotumidum Nordstedt 1 - - - - - - - -
Closterium trilobulatum var. depressum Printz 1 - - - - - - - -
Closterium tumidum L.N.Johnson 1 - - - - - - - -
Closterium turpinii Brébisson 1 - - - - - - - -
Closterium undulatum Corda - - - - 1 - 1 - -
Closterium venustum var. excavatum (Eichl. et Gutw.) W. et. G.S. West 1 - - - - - - - -
Coleochaete irregularis Pringsheim - - - - - - - - 1
Cosmarium reniforme (Ralfs) W.Archer 1 - - - - - - - 1
Cosmarium trachypleurum P.Lundell - - - - 1 - 1 - -
Cosmoastrum punctulatum var. striatum (W. et G.S. West) Pal.-Mordv. 1 - - - - - - - -
Cylindrocystis brebissonii (Ralfs) De Bary 1 - - - - - - - -
Elakatothrix lacustris Korshikov 1 1 - - 1 - 1 - -
Euastrum crassicolle P.Lundell - - - - - - - - 1
Klebsormidium dissectum (F.Gay) H.Ettl & Gärtner 1 - - - - - - - -
Mougeotia parvula Hassall - - - - 1 1 1 1 -
Mougeotia scalaris Hassall - - 1 - 1 1 1 1 -
Mougeotia sp. - - - - - 1 1 - -
Spirogyra fluviatilis Hilse - - - - - - - - 1
Spirogyra protecta (Cleve) Wood - - - - - - - - 1
Spirogyra sp. - - - - - - - 1 -
Spirogyra varians (Hassall) Kützing - - - - - - - - 1
Staurastrum achiatum Ralfs - - - - - - - - 1
Staurastrum avicula var. lunatum (Ralfs) Coesel & Meesters - - - - - - - - 1
Staurastrum crenulatum (Nägeli) Delponte - - - - - - - - 1
Staurastrum cyrtocerum Brébisson 1 - - - - - - - -
Staurastrum gracile Ralfs ex Ralfs 1 - - - - - - - -
Staurastrum inflexumBrébisson - - - - 1 - - - -
Staurastrum oxyacanthum W.Archer 1 - - - 1 - - - 1
Staurastrum polymorphum Brébisson - 1 - - - - - - -
Staurodesmus extensus (O.F.Andersson) Teiling - 1 - - - - - - -
Staurodesmus phimus (W.B.Turner) Thomasson var. phimus 1 - - - - - - - -
Staurodesmus phimus var. occidentalis (West et G.S.West) Teiling 1 - - - - - - - -
Zygnema pectinatum (Vaucher) C.Agardh - 1 - - 1 - - - 1
Zygnema sp. - - - - 1 - - - -

Taxonomic saturation of algal communities, Subspecies/Species Index (Ssp/Sp Index), and taxa and indicators content of the nine studied lakes in Yakutia. Abbreviated names of the lakes are the same as in Table 1.

Variable
 Lake
B-Aal
 B-Kur
 B-Sul
 B-Dyi
 T-Yna
 T-NalT
 T-Tun
 A-Aba
 L-Nid
Division
Cyanobacteria 50 35 10 14 44 26 29 25 19
Bacillariophyta 67 29 6 31 24 7 8 27 20
Ochrophyta (Chrysophyta) 3 4 0 1 2 4 3 3 0
Ochrophyta (Xanthophyta) 19 5 4 4 2 2 2 2 4
Ochrophyta (Raphydophyta) 0 0 0 0 2 1 2 0 0
Miozoa (Dinofl agellata) 0 0 0 0 4 0 4 0 1
Cryptophyta 0 0 0 0 1 1 0 1 0
Euglenozoa 14 9 0 4 2 1 2 1 2
Chlorophyta 62 41 17 27 34 26 21 16 16
Charophyta 26 4 2 2 19 5 6 6 15
Number of taxa 241 127 39 83 131 72 76 80 77
Ssp/Sp Index 1.034 1.024 1.026 1.012 1.047 1.058 1.041 1.025 1.013
Number of species per area 64.7 13.4 1054.1 182.4 1091.7 28.4 10.6 73.4 0.6
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