Desert development: challenges beyond the year 2000, abstracts

aliment pour animaux anthropologie sociale antropologia social arid climate arid zones aridoculture biodiversidad biodiversity biotechnologie biotechnology biotecnologia clima arido climat aride computer software conduite des herbages conservation de l'eau conservation des sols desert desertification deserts desiertos deterioro del suelo drought stress dry farming estres expert systems feeds ganado gestion des eaux grassland management indigenous knowledge livestock logiciel manejo de praderas nongovernmental organizations oases oasis organisation non gouvernementale organizaciones no gubernamentales piensos private sector programas de ordenador public sector reclamation renewable energy secteur public sector privado semiarid zones sistemas expertos social anthropology socioeconomic development socioeconomic organization soil conservation soil deterioration sostenibilidad stress sustainability technology transfer transfert de technologie water conservation water management zone aride