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.
Map of the sampling region. Black circles indicate all locations from which samples were collected. Site names in bold were sampled in all seasons, while those not bolded were sampled only in August. The star indicates the location of the town of Kaktovik, Alaska.
