Study of the flora and fauna of lake Nizhnee village in Chishma, Birsk region of the republic of Bashkortostan

The article presents the results of organoleptic indicators of the water of Lake Lower in s. Chishma Birsky district of the Republic of Bashkortostan; chemical parameters of water are determined; The species composition of hydrobionts was studied and the water quality class was determined according to the Meier method. Sampling was performed according to generally accepted methods. The methods of analysis were used ion chromatography, atomic absorption spectrometry, potentiometry, titrometry and gravimetry. It is established that the situation with the content of chemicals in the studied reservoir is generally safe, no increase in the MPC is observed.