Food Web Dynamics Influence Mercury Movement in Grand Canyon
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.
Sources/Usage
Copyright: David Herasimtschuk/Freshwaters Illustrated