× Information on this section of ECOLEX comes from the InforMEA Portal which compiled information from MEA Secretariats with the support of the European Union. The accuracy of the information displayed is the responsibility of the originating data source. In case of discrepancy the information as displayed on the respective MEA website prevails. Amendments to the criteria for the inclusion of natural properties in the World Heritage List and guidelines for the evaluation of nominations by IUCN Tipo de documento Decision Número de referencia XI.(b).37 Fecha Oct 22, 1979 FuenteUNEP, InforMEA Estado Activo Materia Especies silvestres y ecosistemas Tratado Convención para la Protección del Patrimonio Mundial, Cultural y Natural (Nov 23, 1972) Reunión 3e session du Comité Página web whc.unesco.org Resumen In view of the difficulty of assessing nominations without an adequate inventory, the Committee decided to encourage States Parties to prepare such inventories. It was furthermore decided to ask IUCN to prepare a proposal for the next meeting of the Bureau relating to the methodology and cost of preparing an inventory on a global basis.