Temporal and spatial investments in the protected area network of a megadiverse country

摘要: Protected area networks are the cornerstone strategy for biodiversity conservation worldwide. They efficient even in face of human pressures. Brazil is a megadiverse country and this reason it should not be left out discussions on conservation. Here we present temporal spatial analysis historical national investments country's protected network. We compare investment light international agreements (e.g., CBD), evaluate trends biases establishment areas. obtained following data from database maintained by Brazilian government: number areas, dates when they were established, their size category (strict protection or sustainable use). Our results show that does meet recommended levels protection, its network coverage favors few biomes only, flow has varied greatly. Even though there tendency an increase been noteworthy change categories more recent areas inserted. Until 1980's was comprised mostly strict sites, whereas newly created sites intended use. This reflects serious philosophical practical role network, may affect objectives preserving plays key global scenario.