Page Banner

United States Department of Agriculture

Agricultural Research Service

ARS Photo Library


Download a high-resolution (300dpi) digital image

{short description of image}

Image Number K8677-1

Rangeland scientist Justin Derner (left) and ecologists Wayne Polley (foreground) and Hyrum Johnson measure soil CO² emissions in the CO²-gradient tunnel systems.

Photo by Scott Bauer.



640 pixels wide: (k8677-1.jpg)




Please visit our Image Gallery
Last Modified: 5/23/2006