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- Title
Suppression of Cyanobacterial Blooms by Zooplankton: Experiments in Natural Water Bodies with the Use of Flow-Through Ecosystems.
- Authors
Gerasimova, T. N.; Pogozhev, P. I.; Sadchikov, A. P.
- Abstract
—In a pond, the trophic press of fish suppresses the development of large-size filter-feeders (Daphnia longispina and Simocephalus vetulus). Large-size cladoceran species are replaced by smaller species. The Micro-cystis aeruginosa blooms and the trophic press of fish are accompanied by a loss of the species diversity of filter-ing zooplankton and by a drop in its biomass to minimal levels. Flow-through experimental ecosystems separate zooplankton-consuming fish, thereby causing abrupt increases in zooplankton abundance and biomass. Water flow in the experimental ecosystem destroys cyanobacterial colonies and increases the proportion of their fractions with a size making them edible. This favors increases in zooplankton abundance, size, and fertility.
- Subjects
CYANOBACTERIAL blooms; WATER use; ZOOPLANKTON; BIOLOGICAL extinction; FISH development
- Publication
Russian Journal of General Chemistry, 2019, Vol 89, Issue 13, p2840
- ISSN
1070-3632
- Publication type
Article
- DOI
10.1134/S1070363219130164