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.
Main mechanisms of the AHTO. The population size of a species and its extinction risk are affected by the amount of suitable habitat available in the study area (the effective area). As heterogeneity increases, the proportion of some habitats might increase, but the average area of habitats decreases, leading, on average, to increased risk of extinction and a related decrease in species richness.
