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.
a. The Kytalyk region in North‐Eastern Siberia, Russia. b. Location of the two sampling sites, situated 1.5 km apart. The star represents the camp. c. Example of a polygonal pond at site A. d. Example of a trough pond with flooded vegetation at site B.
