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. 2019 Dec 11;9:18796. doi: 10.1038/s41598-019-55036-7

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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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Differences in understory plant community diversity observed at sites with long and short fire-free intervals (FFI). (a) Differences in effective alpha diversity (Hill numbers equivalents, Shannon measures) of understory plant communities and bootstrapped 95% confidence intervals for the mean between long-FFI (“Long”; blue), short-FFI (“Short”; yellow) sites, derived from 999 iterations. (b) Richness of shared and unique vascular plant species between paired long (blue) and short (yellow) FFI sites. Species shared by paired plots are represented in green. The total of unique and shared species across all sites is reported in the legend.