Abstract
The impacts of fish and nutrient enrichment on the biomass of small and large cladoceran species were studied in mesocosms under eutrophic conditions. Fish shifted the ratio between small and large species to favour small cladocerans compared to control mesocosms, while nutrient enrichment favoured large cladocerans. Both fish vital activity and nutrient enrichment increased total and blue-green algae concentrations. While chlorophyll concentrations increased in response to fish and nutrient enrichment, there were no significant effects of fish on total cladoceran biomass and the relative proportion of large species due to high variability among replicates within treatments. However, fish and nutrient enrichment affected average total cladoceran biomass and the biomass of large species compared to control conditions.
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Feniova, I.Y., Rzepecki, M., Zilitinkevicz, N.S. et al. Experimental impacts of fish on small and large cladocerans under eutrophic conditions. Inland Water Biol 9, 375–381 (2016). https://doi.org/10.1134/S1995082916040040
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DOI: https://doi.org/10.1134/S1995082916040040