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Title
Global rarity of intact coastal regions
Author(s)
Williams, Brooke A.; Watson, James E.M.; Beyer, Hawthorne L.; Klein, Carissa J.; Montgomery, Jamie; Runting, Rebecca K.; Roberson, Leslie A.; Halpern, Benjamin S.; Grantham, Hedley S.; Kuempel, Caitlin D.; Frazier, Melanie; Venter, Oscar; Wenger, Amelia
Published
2022
Publisher
Conservation Biology
Published Version DOI
https://doi.org/10.1111/cobi.13874
Pre-Publication DOI
DOI for Open Access preprint or postprint version of article
10.1101/2021.05.10.443490
Abstract
Management of the land–sea interface is essential for global conservation and sustainability objectives because coastal regions maintain natural processes that support biodiversity and the livelihood of billions of people. However, assessments of coastal regions have focused strictly on either the terrestrial or marine realm. Consequently, understanding of the overall state of Earth's coastal regions is poor. We integrated the terrestrial human footprint and marine cumulative human impact maps in a global assessment of the anthropogenic pressures affecting coastal regions. Of coastal regions globally, 15.5% had low anthropogenic pressure, mostly in Canada, Russia, and Greenland. Conversely, 47.9% of coastal regions were heavily affected by humanity, and in most countries (84.1%) >50% of their coastal regions were degraded. Nearly half (43.3%) of protected areas across coastal regions were exposed to high human pressures. To meet global sustainability objectives, all nations must undertake greater actions to preserve and restore the coastal regions within their borders.
Keywords
coast; coastlines; cumulative human impact; human footprint; human pressure; restoration; wilderness
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PUB27292