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.
Numbers of African ecoregions showing significant phylogenetic structure in carnivore assemblages, using two metrics, NRI and NTI. (a) Null models constructed from biome source pools, (b) null models constructed from continental source pools. Light grey bars, clustered; unfilled bars, random; dark grey bars, overdispersed.
