Fig. 5: Area reductions under Caspian Sea level decline for Caspian Sea region protected areas. | Communications Earth & Environment

Fig. 5: Area reductions under Caspian Sea level decline for Caspian Sea region protected areas.

From: Rapid decline of Caspian Sea level threatens ecosystem integrity, biodiversity protection, and human infrastructure

Fig. 5

Area reductions arising from different sea level decline scenarios on current areas with legislative environmental protections listed in the World Database on Protected Areas (WDPA); a Map of decline scenario overlap with spatial area designations; b Plot showing proportional reduction in sea area covered by current spatial area designations under the different decline scenarios; c Decline in overall marine protected area coverage relative to Caspian Sea area for the −27.5 m datum, dashed reference line indicates the Kunming-Montreal Global Biodiversity Framework (GBF) target of 30% area coverage of inland water, coastal, and marine areas; d Increase in distance to shore for Caspian coastal terrestrial protected areas, under sea level decline scenarios of 2.5 m to 17.5 m relative to the study datum.

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