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.
Low elevation tundra along the Smith River in the Teshekpuk Lake Special Area of the National Petroleum Reserve – Alaska. On left is low biomass, high-quality goose forage. On right is typical high biomass, low quality vegetation.
Public Domain.
