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Seasonal Variability of Phosphate Content in the Volga Water Under Conditions of Anthropogenic Eutrophication of Reservoirs

Abstract

The seasonal variation of the content of phosphates dissolved in the Volga water is investigated on the basis of multi-year observations under conditions of anthropogenic eutrophication of reservoirs. It has been established that the amplitude of seasonal changes of phosphates depends on the intensity of algal nuisance. In low-water years, the concentration of phosphates and chlorophyll a change in antiphase.

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Correspondence to V. A. Seleznev.

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Original Russian Text © V.A. Seleznev, K.V. Bespalova, A.V. Selezneva, 2018, published in Khimiya i Tekhnologiya Vody, 2018, Vol. 40, No. 5, pp. 573–580.

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Seleznev, V.A., Bespalova, K.V. & Selezneva, A.V. Seasonal Variability of Phosphate Content in the Volga Water Under Conditions of Anthropogenic Eutrophication of Reservoirs. J. Water Chem. Technol. 40, 307–311 (2018). https://doi.org/10.3103/S1063455X18050107

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Keywords

  • anthropogenic eutrophication
  • Volga water
  • biogenic load
  • low-water period
  • phosphates
  • chlorophyll “a”