CHANGES IN THE ION-SALT COMPOSITION OF THE SHU RIVER WATER (KAZAKHSTAN PART) IN THE LONG-TERM CYCLE. Eurasian Journal of Ecology, [S. l.], v. 84, n. 3, 2025. DOI: 10.26577/EJE20258431. Disponível em: https://bulletin-ecology.kaznu.kz/index.php/1-eco/article/view/1663. Acesso em: 5 jul. 2026.