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Table 2

Zooplankton species composition observed in Xiquanyan reservoir listed according to their functional groups and their percentage contribution to their total biomass (*) = present.

Taxonomic group Species Functional
groups
Spring Summer Autumn % Biomass
Protozoa Difflugia globulosa PF   *   0.03
  Difflugia avellana PF   *   5.34
  Difflugia gramen PF   *   0.03
  Cucurbitella mespiliformis PF   *   1.26
  Acanthocystis aculeate PF   *   0.02
  Paramecium bursaria PF   * * 0.09
  Paramecium caudatum PF   * * 0.08
  Vorticella microstoma PF * *   0.01
  Tintinnopsis wangi PF   * * 0.06
  Askenasia volvox PC * * * 0.01
  Lacrymaria olor PC   * * 0.09
  Spathidium sp PC     * 0.08
  Didinium balbianiinanum PC   * * 0.01
  Podophrya maupasi PC   *   0.01
Rotifera Brachionus angularis RF   * * 0.34
  Brachionus budapestiensis RF   * * 1.62
  Brachionus calyciflorus RF   * * 0.10
  Brachionus forficula RF   *   0.02
  Gastropus stylifer RF *     4.45
  Keratella cochlearis RF   * * 0.01
  Monostyla pyriformis RF   *   0.04
  Filinia longiseta RF   *   0.44
  Pompholyx xcomplanata RF   * * 0.13
  Asplanchna girodi RC   *   2.85
  Asplanchna priodonta RC   * * 44.51
  Diurella dixon-nuttalli RC   * * 0.01
  Diurella rousseleti RC   * * 0.03
  Diurella stylata RC   * * 0.11
  Trichocerca similis RC   * * 0.07
  Polyarthra minor RC   * * 2.08
  Synchaeta stylata RC   * * 0.01
  Collotheca ambizua RC   * * 0.28
Cladoceran Daphnia cristata SCF     * 0.02
  Bosmina coregoni SCF   * * 9.23
  Alona Baird sp MCF   *   0.02
  Diaphanosoma leuchtenbergianum MCF   *   0.24
  Leptodora kindti LCC   * * 9.47
Copepoda Cyclops furcifer LCC *     0.10
  Thermocyclops vermifer MCC   *   0.49
  Thermocyclops dybowskii MCC * * * 3.09
  Paracyclops fimbrtatus MCF   *   0.08
  Paracyclops affims MCF   *   0.01
  Macrocyclops albidus MCC * * * 6.12
  Acanthocyclops vernalis MCC     * 0.18
  Microcyclops javanus SCF * * * 0.86
  Microcyclops inchoatus MCF   * * 5.86

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