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.
Simulated regression slopes of the relationships mean pairwise phylogenetic distance (MPDses) and latitude or elevation. (A,B) simulations of the tropical niche conservatism hypothesis (TNC). (C,D) simulations of the multiple zones of origin hypothesis (MZO). The black lines show the average regression slope of 1000 simulations and gray lines represent the first and third quantiles from 1000 simulations. The equation is based on the average of regression coefficients.
