Figure 1.
Methane production from anaerobic microcosms amended with weathered oil (•), non-weathered oil (◦) or prepared without oil (■). Error bars indicate ±1 × standard error (n = 3 oil amended; n = 6 without oil).
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.