1. University of Sciences and Technology Houari Boumediene (USTHB),Laboratory of Plant Ecology and Environment, Faculty of Biology,Alger,Algeria
2. University of Toulouse, France University of Science and Technology of Hanoi (USTH), VAST,LEGOS, IRD, CNRS, CNES, UPS,Hanoi,VietNam
3. University of Yahia Farès,Faculty of Sciences,Medea,Algeria
4. University of Sciences and Technology Houari Boumediene (USTHB),Laboratory of Dynamics and Biodiversity, Faculty of Biology,Alger,Algeria