THE FIRST-LINE ASSESSMENT OF TOXIC POTENTIAL OF HIGH-ALTITUDE WATER SOURCES OF ILE ALATAU GORGES (NORTHERN TIEN SHAN, KAZAKHSTAN) USING ACUTE D.MAGNA TOXICITY TEST. (2025). ҚазҰУ хабаршысы. Экология сериясы, 85(4). https://doi.org/10.26577/EJE2025857