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.
Diatom-based environmental data. Diatoms accumulated in a meromictic lake, so separate conductivity and pH transfer functions are shown for saline water, freshwater, and mixed taxa. Habitats indicated separately for saline-water and freshwater taxa.
