berrahoui samiramerzouk hboudilmi nsaker mmerzouk samalti anarce mkheirat f2013-02-182013-02-182012https://dspace.univ-tlemcen.dz/handle/112/1441pregnancy is a demanding condition,in wich an incresead need for nutrients and daily energy intake i required and necessary to its good progress and an optimal fetus developpement.obesity and diabetes generate metabollic alteration and therefore complications.vegetationsoil-plantrelationships,western algeriahalophytesedaphology