Fig. 4: Historical biogeography of Juniperus. | Communications Biology

Fig. 4: Historical biogeography of Juniperus.

From: Key innovations and niche variation promoted rapid diversification of the widespread Juniperus (Cupressaceae)

Fig. 4

a The division of geographical areas (A. Western North America; B. Eastern North America; C. Central America; D. Europe plus the Mediterranean coast; E. Africa and southern Arabia; F. Asia; G. Japan and Taiwan Islands). The map was downloaded from the WorldClim (https://www.worldclim.org/). b Density plots of speciation, dispersal, and vicariance events. The density curves are total speciation events (green line), dispersal speciation events (red line), and vicariance speciation events (yellow line). Historical temperature change results deduced by Zachos are represented by brown lines. c The number of dispersal events among different geographical areas. d Ancestral range estimation using RASP with DEC + J model. Divergence times were estimated using BEAST based on the chloroplast genome sequences along with five fossils.

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