HYDROBIOLOGY, WATER MANAGEMENT AND MONITORING focuses on research addressing the structure, functioning, and conservation of aquatic ecosystems, as well as sustainable water resource management. It covers studies on freshwater biodiversity, ecological processes in aquatic environments and water quality assessment. The section welcomes contributions on monitoring methodologies, bioindicators, ecological status assessment, impacts of climate change on aquatic systems, and interdisciplinary approaches that support integrated water resource management and ecosystem restoration, contributing to the sustainable use and long-term resilience of aquatic systems.