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.
Distribution of amphibian species based in the mean of body size by grid cells (a). Linear regression of species richness (b), altitude (c), latitude (d) and longitude (e) in relation to body size [Colour figure can be viewed at http://wileyonlinelibrary.com]
