2019 Ecosystem Transformation 2 (3), 47–51

The first data on the study of the influence of waste products of semiaquatic birds on planktonic crustaceans and fish (laboratory experiments)

Natalia S. Shevchenko , Irina V. Chalova

This paper presents the results of a study of the effect of metabolic products of semiaquatic birds on planktonic crustaceans and fish in chronic laboratory experiments. The results of the studies showed that the waste pro ducts of birds in a concentration of from 0.5 to 2.5 g/l stimulate the fecundity of cladocerans, in the tissues of which the amount of lipids increases. The consumption of such cladocerans by fish causes a greater increase in their mass, and also contributes to an increase in their lipid content.

Natalia S. Shevchenko
I.D. Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences
Borok 109, Nekouz District, Yaroslavl region, 152742 Russia

nataliaschewchenko@yandex.ru

Irina V. Chalova
I.D. Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences, research scientist
Borok 109, Nekouz District, Yaroslavl region, 152742 Russia

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