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. 2020 Apr 9;10:6151. doi: 10.1038/s41598-020-63137-x

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© The Author(s) 2020

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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Spatial distribution of sand fixation service in the SNP (left upper) and its changes from 2000 to 2015 (left bottom), annual average amount of sand fixation and its capacity in the different sub-parks (the bars means sand fixation amount and the diamonds means sand fixation capacity) (right upper) and interannual variation of sand fixation capacity (right bottom). Map created in ArcMap 10.4 (Environmental Systems Resource Institute, ArcMap 10.4 ESRI, Redlands, California, USA).