The use of zooplankton distribution maps for assessment of ecological status of the Shardara reservoir (Southern Kazakhstan)

E. G. Krupa, S. S. Barinova, K. B. Isbekov, S. Z. Assylbekova

Research output: Contribution to journalArticlepeer-review


The spatial distribution of biological indicators of zooplankton in Shardara reservoir (southern Kazakhstan) was investigated in summer 2015. The development of macrophytes in the water area significantly affected the species diversity of zooplankton. Copepoda avoided places with high concentrations of polyphosphates from detergents, but gained a competitive advantage on water areas polluted by β-HCCH. The most favorable conditions for Cladocera, represented mostly by Daphnia galeata, were formed on parts of the reservoir with high content of phosphates, nitrites, zinc and accumulation of green algae. Cladocera avoided waters with a high content of lead, copper and cadmium. Statistical maps of distribution of Δ-Shannon, Clarke's W-statistics and average individual mass did not reveal any certain relations with environmental variables, which we attribute to the complex nature of the Shardara reservoir's pollution. A strong relationship between the Δ-Shannon and Clarke's W-statistics parameters was found. It was found that Δ-Shannon is easily calculated and can be used for the zooplankton community structure description.

Original languageEnglish
Pages (from-to)52-65
Number of pages14
JournalEcohydrology and Hydrobiology
Issue number1
StatePublished - Jan 2018

Bibliographical note

Funding Information:
The work was carried out under the project № 1846/ГФ4 Г.2015-Г2016 for Committee of Science, Ministry of Education and Science, Republic of Kazakhstan “Development of the methods for controlling the ecological state of water bodies in Kazakhstan” as well as partly supported by the Israeli Ministry of Absorption .

Publisher Copyright:
© 2017 European Regional Centre for Ecohydrology of the Polish Academy of Sciences


  • Biological indicators
  • Distribution maps
  • Environmental factors
  • Statistics
  • Zooplankton

ASJC Scopus subject areas

  • Aquatic Science


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