Food Web Dynamics Influence Mercury Movement in Grand Canyon

USGS scientists collect and analyze algae, invertebrates and fish on the Colorado River.

Detailed Description

USGS scientists Kyle Hanus, Cheyenne Szydlo and Ted Kennedy collect and analyze algae, invertebrates and fish on the Colorado River. This is part of a study to learn more about how food web dynamics influence the movement of mercury throughout the Colorado River in the Grand Canyon.

Details

Image Dimensions: 7714 x 5145

Date Taken:

Location Taken: US