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. 2015 Dec 17;10(12):e0145064. doi: 10.1371/journal.pone.0145064

Fig 3. Thiessen polygon networks to represent sampling density.

Fig 3

Maps derive from data from the Global Biodiversity Information Facility (GBIF) and from Brazil’s speciesLink site. Polygon colors correspond to their size and use a Jenks natural breaks grouping for the color stretch. Gray lines delimit biomes.