1. Laboratory of Water Resources and Environment , Department of Biology, Faculty of Science, University of Saida – Dr . Tahar Moulay , Algeria
2. Laboratory of Biotoxicology, Pharmacognosy and Biological Valorization of Plant (LBPVBP) , Faculty of Sciences, University of Saida- Dr Moulay Tahar , Saida , Algeria
3. Forest department , Forest Conservation Saida , Algeria
4. Centre de Recherche en Aménagement du Territoire (CRAT), Campus Zouaghi Slimane, Route de Ain el Bey , Constantine , Algérie