Spatial distribution of cyanotoxins and ratios of microcystin to biomass indicators in the reservoirs of the Volga, Kama and Don Rivers, the European part of Russia

Ekaterina Chernova, С. И. Сиделев, Iana Russkikh, L. G. Korneva, V. V. Solovyova, Н. М. Минеева, I. E. Stepanova, Z. А. Zhakovskaya