TY - CPAPER AU - Emilia Tcherkezova AU - Kalin Seymenov AU - Krasya Kolcheva AU - Elitsa Zareva AU - Dragomir Vassilev TI - ANTHROPOGENIC IMPRINTS ON THE NATURAL ENVIRONMENT AND WATER RESOURCES IN THE CHEPINSKA AND CHEPELARSKA RIVER BASINS (WESTERN RHODOPES, BULGARIA) T2 - SWS 2026 Conference Preprints PY - 2026 PB - STEF92 Technology ER -