Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Demographic model used for simulations. Parameter values are described in Table 1. Arrows represent migration between populations. Arrow width is representative of relative values of these migration parameters under demographic scenario c. Figure created using MatPlotLib [76] in IPython [77].
