Methane and carbon dioxide flux sensors at Mayberry Island, Delta, California.

Methane and carbon dioxide flux sensors at Mayberry Island, Delta, California. This is a marsh restoration project, which prior to restoration was agriculture land. Photo cr. J. Verfaille

Methane and carbon dioxide flux sensors at Mayberry Island, Delta, California. This is a marsh restoration project, which prior to restoration was agriculture land. Photo cr. J. Verfaille