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. 2018 Sep 12;13(9):e0203673. doi: 10.1371/journal.pone.0203673

Fig 11. Anthropogenic change in Colombia, 1999-2013, using the nighttime lights dataset NOAA-DMSP-OLS.

Fig 11

A mean for 5-year periods was computed for each pixel, and then map algebra was used to calculate the difference between the two periods. Very Rapid anthropogenic change was observed in the region of Bogotá and the Eastern Plains. Rapid change was observed in proximity of the main urban areas along the Andes (Bogotá, Cali, Medellín, and the Coffee Region, the urban areas of the Caribbean, and the Eastern Plains. Moderate and Medium anthropogenic change was observed throughout the Andes and the Caribbean, and the lower Cauca Basin.