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Table 2

List of phytoplankton species with their taxonomic, functional groups, and percentage contribution to their total biomass in Lake Hulun.

Class Genus Representative species Phytoplnakton functional groups % biomass
Bacillariophyceae Asterionella Asterionella formosa C 10.25
Cyclotella Cyclotella meneghiniana
Bacillariophyceae Synedra Synedra acus D 1.9
Synedra ulna
Chlorophyceae Westella Westella botryoides F 3.87
Oocystis Oocystis elliptica
Cyanophyceae Anabaena Anabaena circinalis H1 23.07
Anabaena variabilis
Aphanizomenon Aphanizomenon flos-aquae
Chlorophyceae Chodatella Chodatella quadriseta J 24.00
Tetrastrum Tetrastrum elegans
Tetraëdron Tetraëdron trigonum
Cyanophyceae Merismopedia Merismopedia minima L0 3.10
Synechocystis Synechocystis minuscula
Chroococcus Chroococcus minutus
Cyanophyceae Microcystis Microcystis wesenbergii M 0.35
Microcystis firma
Bacillariophyceae Navicula Navicula exigua MP 8.16
Meridion Meridion circulare
Cymbella Cymbella ventricosa  
Chlorophyceae Cosmarium Cosmarium obtusatum N 7.11
Staurastrum Staurastrum gracile
Chlorophyceae Closterium Closterium gracile P 0.76
Closterium acerosum
Cyanophyceae Phormidium Phormidium allorgei S1 0.36
Cyanophyceae Raphidiopsis Raphidiopsis curvata S2 0.04
Euglenophyceae Euglena Euglena oxyuris W1 1.31
Euglenophyceae Trachelomonas Trachelomonas granulosa W2 0.01
Chrysophyceae Synura Synura Ehrenberg WS 0.03
Chlorophyceae Ankistrodesmus Ankistrodesmus angustus X1 0.87
  Ankistrodesmus acicularis
Chlorophyceae Chlamydomonas Chlamydomonas ovalis X2 24.01
    Chlamydomonas globosa  
Chrysophyceae Chromulina Chromulina elegans X3 0.39
  Chromulina globosa
    Kephyrion planctonicum  
Dinophyceae Glenodinium Glenodinium pulvisculus Y 2.77
Cryptophyceae Cryptomonas Cryptomonas ovata  

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