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CYANOTOXINS AS A POSSIBLE CAUSE OF FISH AND WATERFOWL DEATH IN THE KAZANKA RIVER (RUSSIA)
(STEF92 Technology, 2018-06-20, N Yu Stepanova)
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On August 2016 in the Kazanka River (the tributary of the Volga River) was the mass mortality of fish (gibel carp Carassius gibelio) and waterfowl (mallard Anas platyrhynchos). Investigation of the causes of mortality showed that during this period the mass development of phytoplankton was reported (number 43.9-83.1 million cells/L and biomass in the interval 2.20-8.12 mg/L). Biomass of the group of blue-green algae was 0.76-3.25 mg/L. Planktolyngbya limnetica (Lemm) Kom.-Legn. et Cronb (94.6 % of the number) and ...
Ecology and Environmental Protection2018