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. 2021 Jun 22;15(6):e0009466. doi: 10.1371/journal.pntd.0009466

Fig 6. Spatial distribution of the different soil and environmental indexes analyzed.

Fig 6

NDVI: Normalized Difference Vegetation Index. MSI: Moisture Stress Index. BSI: Bare Soil Index. NDBI: Normalized Difference Built-up Index. BLDFIE: Soil Bulk density. Landsat-8 images, "Image courtesy of the U.S. Geological Survey", downloaded from the US Geological Survey server (USGS, https://www.usgs.gov) using Earth Explorer platform (https://earthexplorer.usgs.gov). The geographical location for Landsat-8 is: Path 170, Row 52. DATE_ACQUIRED = 2016-03-10.