Effect of Salinity on Chironomid Larvae (Diptera, Chironomidae) in Hypersaline Lakes of Crimea
- Authors: Belyakov V.P.1, Anufriieva E.V.2, Bazhora A.I.1, Shadrin N.V.2
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Affiliations:
- Institute of Limnology, Russian Academy of Sciences
- The A.O. Kovalevsky Institute of Marine Biological Research of RAS
- Issue: Vol 45, No 10 (2018)
- Pages: 1211-1218
- Section: Article
- URL: https://journals.rcsi.science/1062-3590/article/view/182948
- DOI: https://doi.org/10.1134/S1062359018100059
- ID: 182948
Cite item
Abstract
This paper summarizes the results of our long-term research (2007–2015) of chironomids in 38 saline and hypersaline lakes of Crimea. Chironomid larvae were found at salinities up to 340 g/L, and the frequency of their occurrence decreased as salinity rose above 30–50 g/L. We identified four species, namely, Baeotendipes noctivagus, Cricotopus gr. cylindraceus, Tanytarsus gr. Mendax, and Paratanytarsus gr. quantuplex. The numbers of chironomid larvae varied within wide limits and peaked at the levels of up to 8000/m3 in plankton, up to 9000/m2 in the benthos, and up to 3000/m2 on the floating mats of filamentous green algae. The abundance, biomass, and production of larvae were nonlinearly dependent on the salinity. A salinity increase led to a decreased number of species and reduced average sizes. The maximum values were observed within 150–170 g/L.
About the authors
V. P. Belyakov
Institute of Limnology, Russian Academy of Sciences
Email: lena_anufriieva@mail.ru
Russian Federation, St. Petersburg, 196105
E. V. Anufriieva
The A.O. Kovalevsky Institute of Marine Biological Research of RAS
Author for correspondence.
Email: lena_anufriieva@mail.ru
Russian Federation, Sevastopol, 299011
A. I. Bazhora
Institute of Limnology, Russian Academy of Sciences
Email: lena_anufriieva@mail.ru
Russian Federation, St. Petersburg, 196105
N. V. Shadrin
The A.O. Kovalevsky Institute of Marine Biological Research of RAS
Email: lena_anufriieva@mail.ru
Russian Federation, Sevastopol, 299011