QMNA extraction as a tool for watershed management in a semi-arid climate - the case of the Lakhdar river basin (Morocco)Omaima Elkbichi, Layati Elhoucein, Zainab Youssoufi and Mohammed El GhachiBIO Web Conf., 215 (2026) 02012DOI: https://doi.org/10.1051/bioconf/202621502012