Biotypology of stream macroinvertebrates from North African and semi arid catchment: Oued Za (Morocco)Youness Mabrouki, Abdelkhaleq Fouzi Taybi, Majida El Alami and Ali BerrahouKnowl. Manag. Aquat. Ecosyst., 420 (2019) 17DOI: https://doi.org/10.1051/kmae/2019009