July 2017, № 8 (208), pages 76-79

doi: 10.25198/1814-6457-208-76

Sizova E.A., Romanova A.P., Umrihina V.V THE USE OF FLUCTUATING ASYMMETRY ALBURNUS ALBURNUS AND RANA RIDIBUNDA TO EVALUATE THE QUALITY OF THE AQUATIC ENVIRONMENTRivers of the Orenburg region are susceptible to the emergence of various environmental problems, as experienced significant anthropogenic and technogenic load. To date, the shortcomings in the system for monitoring ecological status of water bodies, which is based only on the determination of pollutants and their comparison with maximum permissible concentrations, is pretty obvious, and more preference is given to biological methods of assessing the state of the environment. Biological assessment can be implemented through the use of organisms-bioindicators, which in this work are Alburnus alburnus and Rana ridibunda. Analysis of stability of development of morphological structures of these animals allows you to set the class of water quality in the studied reservoirs according to the index, CAP (the number of asymmetric manifestations on the symptom). During the selection of animals a class of water quality in the river Sakmara and the Ural river at the study sites. The results of a study of fluctuating asymmetry showed class 3 of water quality (polluted) with index CAP 0.4 and 0.58 for Alburnus alburnus and Rana ridibunda, respectively, in the control points, which was the plot of the Sakmara river near the village of Lenin and the land of the Ural river in the vicinity of the pedestrian bridge on the “Promenade” of the city of Orenburg. And 4 and 5 grade quality (dirty and very dirty) with index CAP from 0.47 to 0.6 for Alburnus alburnus and from 0.61 to 0.73 for Rana ridibunda in the areas of the Sakmara river near the railway bridge within the boundaries of the village Berdy and near the road bridge on St. Brothers korostelevyh, as well as the territories of the Ural river near the railway bridge in the Central Area of Orenburg in close proximity to garden Association “Gazovik” and in the area of road bridge, located on Country road. The data obtained demonstrate the possibility of using fluctuating asymmetry to evaluate the ecological status of the water environment.Key words: bioindication, fluctuating asymmetry, developmental stability, the river Sakmara, Ural river.

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About this article

Authors: Umrihina V.V., Sizova E.A., Romanova A.P.

Year: 2017

doi: 10.25198/1814-6457-208-76

Editor-in-chief

Sergey Aleksandrovich
MIROSHNIKOV

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