The Role of Planktonic Algae in the Ecological Assessment of Storage-Reservoirs of the ILI-Balkhash Basin

Author:

Barinova Sophia1,Krupa Elena2,Romanova Sophia3

Affiliation:

1. Institute of Evolution , University of Haifa , Mount Carmel, Abba Khoushi Avenue 199, Haifa , Israel , IL-3498838

2. Republican State Enterprise on the Right of Economic Use , Institute of Zoology , Al-Farabi Street 71, Almaty , Kazakhstan , KZ-050060

3. Al-Farabi Kazakh National University , Al-Farabi Street 71, Almaty Kazakhstan , KZ-050040

Abstract

Abstract The largest wastewater treatment systems include Sorbulak and Kurty reservoirs, and the small storage ponds were studied in the summer of 2017 and characterized mainly by organic pollution. Phytoplankton communities were represented by species tolerant of organic and toxic pollution. Cyanobacteria dominated in the reservoirs, and dinophyte algae were only in the Kurty Reservoir. According to the results of CCA analysis, only Cr and certain nutrients had a significant effect on the abundance of algae. A statistically positive significant association between the Shannon index and the average algal cell mass was established. The results obtained are a particular example reflecting the non-linearity of changes in plankton communities in the gradient of nutrient loading and eutrophication of aquatic ecosystems.

Publisher

Walter de Gruyter GmbH

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