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.
Flow chart of global warming impacts on amphibian populations. These mechanisms are affecting amphibian populations worldwide and in particular within the Greater Yellowstone Ecosystem. Solid lines denote clearly established relationships; see introduction for details and citations.
