Fig. 2From: Global change impacts on forest and fire dynamics using paleoecology and tree census data for eastern North AmericaPre-European settlement forest biomes of North America assembled from ecological subsections of USA, pollen study site, and tension zone locations (Cleland et al. 2007; Nowacki and Abrams 2015). Black dots are the location of the paleopollen study sites (Table 1), and red dots are the location of paleocharcoal study sites (Table 2)Back to article page