Prairie Pothole Region

a: The study was conducted in the Prairie Pothole Region in central North America at Cottonwood Lake Study Area in North Dakota, USA (star). b Methane flux rates were measured in wetland catchments along transects going from open waters to the surrounding uplands. c Biological science technician A. Boyd collecting gas samples from a floating chamber. GIS files were provided by ESRI, U.S. Geological Survey, and National Agriculture Imagery Program (NAIP). Pictures courtesy of Sheel Bansal.