Studies of contaminant biogeochemistry and microbial processes in wetland environments.

Left Image: Managed wetland at the Yolo Bypass Wildlife Preserve (California Central Valley) showing mixed flocks of foraging birds. Photographer: M. Marvin-DiPasquale.

Middle Image: USGS Employees J. Kanerva and M. Marvin-DiPasquale sampling agricultural (rice growing) wetland Yolo Bypass Wildlife Preserve (California Central Valley). Photographer: L. Windham-Myers.

Right Image: USGS Employee L. Windham-Myers sampling rice from an agricultural wetland in the Yolo Bypass Wildlife Preserve (California Central Valley). Photographer: M. Marvin-DiPasquale