Quantitative thresholds for categories and criteria of threatened ecosystems Corporate author IUCN Date 2008 Source IUCN (ID: MON-091684) Title (French) Seuils quantitatifs pour les catégories et critères applicables aux écosystèmes menacés Title (Spanish) Umbrales cuantitativos para las categorías y los criterios de ecosistemas amenazados Reference number WCC 2008 RES 020 (4.020) Publisher | Place of publication IUCN | Gland, Switzerland Document type Soft law - Decision/resolution Conference name | place | date IUCN World Conservation Congress | Barcelona, Spain | 20081005-20081014 Language English, French, Spanish Field of application International Subject Wild species & ecosystems Keyword Research Endangered species Ecosystem preservation Climate change Protection of species Full text WCC_2008_RES_20_EN.pdf WCC_2008_RES_20_FR.pdf WCC_2008_RES_20_ES.pdf Website portals.iucn.org