загрязнение

Проведена оценка степени загрязнения водной среды в нескольких пунктах реки Волги в окрестностях города Саратова методами гидрохимического анализа и фитоиндикации. Определены индексы загрязнения воды и установлены классы качества водной среды.

Assess the degree of pollution and natural purification of the water environment of the Volga river near the city of Saratov. Defined indexes pollution and natural purification of the water and set classes quality of the aquatic environment.

Based on the identification and characteristics of the response of aquatic plants to spav-containing drugs, the potential danger of possible contamination of the aquatic environment with spav was assessed. The extent of damage from the effects of spavcontaining drugs on aquatic plants was determined using aquatic plants Elodea сanadensis Michx.(1802), Potamogeton perfoliatus L. (1753), Myriophyllum spicatum L. (1753), Najas minor All. (1773) and Lemna minor L. (1753).