Fig. 2. Distribution and characterization of nature valuation studies.
From 48,781 peer-reviewed studies reported with explicit geo-referenced information (depicted in the map), a stratified random sample of those published between 2010 and 2020 provided 1,163 studies applying specific valuation methods. a, Global distribution of valuation studies. b, Characterization of nature valuation studies reported. c, Habitats in which valuation was applied. These were reviewed in depth and used to develop the figure’s statistical graphics7,29.