L. Oufni

Department of Physics (L.P.M.M.), Faculty of Sciences and Techniques, University Sultan Moulay Slimane, Beni-Mellal, Morocco

N. Manaut

Polydisciplinary Faculty (L.I.R.S.T.), University Sultan Moulay Slimane, Beni-Mellal, Morocco

S. Taj

Department of Biology, Ecology and Environment Laboratory, Faculty of Science Semlalia, University Cadi Ayyad, Morocco

B. Manaut

Department of Biology, Ecology and Environment Laboratory, Faculty of Science Semlalia, University Cadi Ayyad, Morocco