The management of protected ecosystems

administration animal resources arid zones avenas avoine basic needs besoin fondamental biodiversidad biodiversity centeno cicer arietinum conservation de la nature conservation des ressources ecosistema ecosystems education environmental protection equipment equipo financial policies flax formation germplasm conservation gestion gestion des ressources hordeum vulgare human resources infraestructura infrastructure land use legislation lens culinaris lin lino management middle east moyen orient natural resources nature conservation oats oriente medio protection de l'environnement recursos de la fauna recursos humanos recursos naturales resource conservation resource management ressource animale ressource humaine ressource naturelle rye seigle socioeconomic environment sostenibilidad sustainability training trigo uses usos utilisation utilisation des terres vicia sativa wheats zone aride