Food Web Dynamics Influence Mercury Movement in Grand Canyon
![USGS scientists collect and analyze algae, invertebrates and fish on the Colorado River.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/20190826_AZ_GrandCanyonBugWork_DHerasimtschuk_DSC0220.jpg?itok=DIKLBkkG)
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