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Giant tortoises (GT) distribution and human settlements in the Galapagos Islands. The total human population reaches 25 000 inhabitants in the four inhabited islands. Giant tortoises (Chelonoidis sp.) population estimates are between 8270 and 13 530 (Márquez et al. 2007; Poulakakis et al. 2015). Dagger extinct species; asterisk giant tortoise restoration initiative
