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. 2017 Jul 10;8:16039. doi: 10.1038/ncomms16039

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Copyright © 2017, The Author(s)

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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(a) Regions with the largest networks of marine protected areas (MPAs, circles) and marine reserves (MRs, triangles) are enlarged for readability. Networks of connected MPAs and MRs are coloured according to their size. Unconnected MPAs and MRs are drawn with larger symbols. Histograms represent the distribution of the number of outgoing (b,d) and incoming (c,e) connections per MPA. In (b) and (c), all MPAs are considered as donors while in (d) and (e) only MRs are considered as donors.