sarah-markegard-usfws-sanitizes-boots-veronica-davison-crop1.jpg

Photo By/Credit

Veronica Davison/USFWS

Media Usage Rights/License
Public Domain
Image
To participate in the survey, biologists like Sarah Markegard take special precautions to avoid contaminating the marsh by dipping their boots and waders into a disinfectant solution.
Ecosystem
Wetland
Subject tags
Employees (USFWS)
Monitoring
Work of the Service