E.I. Uvaevaa*, E.D. Shimkovichb**

aZhytomyr Ivan Franko State University, Zhytomyr, 10008 Ukraine

bKazan Federal University, Kazan, 420008 Russia

E-mail: *Uvaeva1980@mail.ru, **edshimkovich@kpfu.ru

Received May 23, 2017

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Abstract

The characteristics of Viviparus viviparus populations in rivers of Central Polesia (Ukraine) have been analyzed for further usage in bioindication studies. It has been revealed that the high content of organic matter in water (BOD5 2.9–4.8 mg O2/dm3) causes an increase in the quantitative characteristics of viviparids. The subsequent increase in the amount of organic matter inhibits the mollusk growth under the conditions of hypoxia, which results in the reduction of their abundance and biomass. It has been established that the following population characteristics of V. viviparus can be used to evaluate the pollution level of water ecosystems: average body mass in the community, average shell height of adult mollusks. Values of these characteristics decrease along with organic pollution of the biotope. Therefore, it has been demonstrated that V. viviparus is a promising species for bioindication of the ecological state of water bodies.

Keywords: mollusks, Viviparus viviparus, Central Polesia, population characteristics, bioindication

Figure Captions

Fig. 1. Average body mass (bar chart) of a V. viviparus specimens in the rivers of Central Polesia with various content of organic matter (curve).

Fig. 2. Average shell height of V. viviparus specimens aged 2–3 years (bar chart) in the rivers of Central Polesia with various content of organic matter (curve).

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For citation: Uvaeva E.I., Shimkovich E.D. Bioindication significance of population characteristics of viviparids (Mollusca, Gastropoda, Viviparidae) in water bodies of Central Polesia, Ukraine. Uchenye Zapiski Kazanskogo Universiteta. Seriya Estestvennye Nauki, 2017, vol. 159, no. 3, pp. 521–530. (In Russian)


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