Fig. 4.

Priority areas for securing threatened species habitat and source areas of key regulating ecosystems services and application in the design of new PAs. (A) Nature reserves with important areas for biodiversity, ecosystem services, and both biodiversity and ecosystem services. Green and tan show important conservation areas for biodiversity and ecosystems services, respectively. Blue shows important areas for conservation of both biodiversity and ecosystem services. Important areas are delineated as those within the top 20% of cumulated area according to the importance index value. (B) Priority areas for a comprehensive PA system in China, based on A.