| Issue |
E3S Web Conf.
Volume 411, 2023
VI International Conference on Actual Problems of the Energy Complex and Environmental Protection (APEC-VI-2023)
|
|
|---|---|---|
| Article Number | 02031 | |
| Number of page(s) | 6 | |
| Section | Ecology, Environmental Protection and Conservation of Biological Diversity | |
| DOI | https://doi.org/10.1051/e3sconf/202341102031 | |
| Published online | 10 August 2023 | |
Acclimatization of the oscillatoria (Oscillatoria agardhii) in alkaline lakes of various mineralization
FGBOU VO “Chelyabinsk State University”, 129, st. Brothers Kashirin, Chelyabinsk, 454001, Russia
* Corresponding author: Korfish@mail.ru
The article presents the results of a study on the adaptation of Oscillatoria agardhii to the water of lakes of various mineralization. It has been established that cyanobacteria develops in the range of mineralization from 2 to 50 g/l. The optimum mineralization was in the range of 2-21 g/l. The pH of the waters in which the development of cyanobacteria was observed varied from 6.5 to 9.2. The temperature optimum of growth was observed in the range of 25-40 °C. Principal component analysis revealed a trend in increasing cell density, coinciding with the greatest number of short trichomes, which coincided with a trend in trace elements and compounds in the direction from Na to Ca. In all the studied lakes, the vast majority of elements and compounds were found to exceed the MPC for fishery water bodies, which should be taken into account when introducing new types of aquaculture into highly mineralized water bodies.
© The Authors, published by EDP Sciences, 2023
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