Chemical composition of water conditioned by crowdedMoina macrocopa (Crustacea: Cladocera) |
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| Authors: | G S Kalacheva E S Zadereev V G Gubanov I V Gribovskaya |
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| Institution: | (1) Institute of Biophysics, Siberian Division, Russian Academy of Sciences, Akademgorodok, 660036 Krasnoyarsk, Russia |
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| Abstract: | The chemical composition of water conditioned by colonies ofMoina macrocopa and involved in the regulation of their life cycle was analyzed in comparison with water samples from natural water bodies.
Dechlorinated tap water was used as the control medium. The results showed that metabolism of crustaceans leads to an increase
in the concentrations of phosphorus and nitrogen in all forms, the appearance of protein and carbohydrate fractions, and changes
in the composition of lipid fractions in the water conditioned by their colonies. The contents of all organic components are
very low, which makes their identification difficult. Concentrations of substances identified in the conditioned water do
not exceed those occurring in nature. |
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| Keywords: | Cladocera metabolic products chemical analysis chemical composition |
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