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. 2019 Mar 29;9:5330. doi: 10.1038/s41598-019-41816-8

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© The Author(s) 2019

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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Seafloor characteristics, distribution and composition of marine litter. (a) Seafloor types and (b), categories of marine litter for each transect (location in Fig. 1). The size of the pie charts in (b) is proportional to litter abundance (D = total litter density and D(h) = litter density of heavy items, both expressed as items/10 m). (c) Overall composition of marine litter observed along all ROV dives in the Messina Strait canyons. The map in (b) was generated with QGIS Version 2.18 (https://www.qgis.org/it/site). The satellite imagery was obtained from the Bing Aerial maps, using the QGIS OpenLayers plug-in (https://github.com/sourcepole/qgis-openlayers-plugin).