Inland surface waters in protected areas globally:Current coverage and 30-year trends


Inland waters are unique ecosystems offering services and habitat resources upon which many species depend. Despite the importance of, and threats to, inland water, global assessments of protected area (PA) coverage and trends have focused on land habitats or have assessed land and inland waters together. We here provide the first assessment of the level of protection of inland open surface waters and their trends (1984–2015) within PAs for all countries, using a globally consistent, high-resolution (30 m) and validated dataset on permanent and seasonal surface waters based on Landsat images. Globally, 15% of inland surface waters are covered by PAs with mapped boundaries. Estimated inland water protection increases to 16.4% if PAs with reported area but delineated only as points are included as circular buffers. These coverage estimates slightly exceed the comparable figure for land but fall below the 17% goal of the Convention on Biological Diversity’s Aichi Target 11 for 2020. Protection levels are very uneven across countries, half of which do not yet meet the 17% target. The lowest coverage of surface water by PAs (<5%) was found in Africa and in parts of Asia. There was a global trend of permanent water losses and seasonal water gains within PAs, concomitant with an increase of both water types outside PAs. In 38% of countries, PAs lost over 5% of permanent water. Global protection targets for inland waters may well be met by 2020, but much stronger efforts are required to ensure their effective conservation, which will depend not only on sound PA governance and management but also on the sustainable use of water resources outside PAs. Given the pressures on water in a rapidly changing world, integrated management planning of water resources involving multiple sectors and entire basins is therefore necessary.

Publication DOI:
Divisions: College of Engineering & Physical Sciences
?? 50811700Jl ??
College of Engineering & Physical Sciences > Sustainable environment research group
College of Engineering & Physical Sciences > Systems analytics research institute (SARI)
Additional Information: © 2019 Bastin et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Uncontrolled Keywords: General Biochemistry,Genetics and Molecular Biology,General Agricultural and Biological Sciences
Publication ISSN: 1932-6203
Last Modified: 22 Jul 2024 07:19
Date Deposited: 04 Feb 2019 08:54
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Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
https://journal ... al.pone.0210496 (Publisher URL)
PURE Output Type: Article
Published Date: 2019-01-17
Accepted Date: 2018-12-24
Authors: Bastin, Lucy (ORCID Profile 0000-0003-1321-0800)
Gorelick, Noel
Saura, Santiago
Bertzky, Bastian
Dubois, Grégoire
Fortin, Marie Josée
Pekel, Jean Francois



Version: Published Version

License: Creative Commons Attribution

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