Fig. 1From: Late Holocene fire history and charcoal decay in subtropical dry forests of Puerto RicoLocation of the study area and sites in the subtropical dry forests of Puerto Rico, USA. a Map of Puerto Rico; b soil charcoal pits in northeastern dry forest; c soil charcoal pits in southeastern subtropical dry forest. Charcoal was sampled in December 2015 in the northeastern subtropical dry forest, and in December 2014 in the southeastern subtropical dry forestBack to article page