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. 2015 Aug 16;10:19. doi: 10.1186/s13021-015-0030-9

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© Huang et al. 2015

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided 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.

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Fig. 8 — Scatter plots of biomass density at 250 m resolution from four national products versus CMS_RF product. From left to right are NBCD_NCE, Blackard, Wilson, and Saatchi, respectively. From top to down are NLCD2006 categorized total, forest, and non-forest, respectively. The y axis in each plot represents biomass values from national products, and the x axis represents the biomass values from CMS_RF product. Black dashed line is the fitted regression lines, gray solid line is the 1:1 line, and light blue to dark red represents sample kernal density. Forest and non-forest category are derived from aggregated NLCD2006 dataset at 250 m spatial resolution, with a threshold of 20 percentage for forest.