ECOLOGICAL ASSESSMENT OF SOME WATERED QUARRY PILES IN THE KALININGRAD REGION BY HYDROCHEMICAL AND HYDROBIOLOGICAL INDICATORS. Proceedings of the YSU C: Geological and Geographical Sciences, Yerevan, Armenia, v. 59, n. 2 (266), p. 427–433, 2025. DOI: 10.46991/PYSUC.2025.59.2.427. Disponível em: https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol59_no2_2025_pp427-433. Acesso em: 23 jan. 2026.