1. Laboratory of Ecosystems Diversity and Agricultural Production Systems Dynamics in Arid Zones, Mohamed Khider University, Biskra, Algeria
2. Forest Research Center, Water and Forests Department, Rabat-Agdal, Morocco
3. Laboratoire Écologie Fonctionnelle et Évolutive, University of Chadli Bendedid, El Tarf, Algeria
4. University of Badji Mokhtar, Annaba, Algeria