Institution "BirdLife International, IUCN & UNEP-WCMC" Reference "Percentage of IBAs wholly covered by protected areas, over time, for each GEO region and subregion" Date 2015 Base data BirdLife International. DataZone. Accessed 1 September 2015 from http://www.birdlife.org/datazone/site/search (2015). "IUCN & UNEP-WCMC. The World Database on Protected Areas (WDPA). February 2015. UNEP-WCMC, Cambridge, UK. Accessed 1 September 2015 from http://www.protectedplanet.net (2015)." Regionalisation Column A GEO regions Column B GEO subregions Values reported Column C Year Columns D-F Percentage of sites covered by protected areas Temporal scale 1900-2015