2025. 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. Eurasian Journal of Ecology. 85, 4 (Dec. 2025). DOI:https://doi.org/10.26577/EJE2025857.