Final report of the intergovernmental conference of experts on the scientific basis for rational use and conservation of the resources of the biosphere - Paris, France, 4-13 Sep 1968.

animal resources biomasa biomass biomasse bosques conservation de l'eau conservation de la nature conservation des sols ecologia ecologie ecology ecosistema ecosystems education environmental impact fishery management forests impact sur l'environnement impacto ambiental international organizations land use natural resources nature conservation organisation internationale organizaciones internacionales planification planning plant resources programme de formation projet de recherche recursos de la fauna recursos naturales recursos vegetales research projects ressource animale ressource naturelle soil conservation technical aid training programmes unesco uses uso del agua usos utilisation utilisation de l'eau utilisation des terres water conservation water use