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. 2017 Nov 3;7:14596. doi: 10.1038/s41598-017-15084-3

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© The Author(s) 2017

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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Image analyses to characterize landscape structure. Confocal microscopy images of (a) healthy, (b) field collected diseased, and (c) laboratory inoculated coral fragments, which were analyzed in Photometrica 7.0 to characterize five measures of landscape structure: total area of fluorescence, edge area, edge to area ratio, number of patches, and patch area. Confocal microscopy images are shown in images on the left, Photometrica analyses of the microscopy images are shown in images on the right. In Photometrica images, the area highlighted in red reflects total area of fluorescence; black regions indicate patches, and white lines indicate edges.