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Food Web Dynamics Influence Mercury Movement in the Grand Canyon

By Communications and Publishing
Stomach contents from a rainbow trout are collected to be analyzed for mercury levels.
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Detailed Description

Stomach contents from a rainbow trout are collected to be analyzed for mercury levels. This work is part of a study to evaluate how food web dynamics influence the movement of mercury throughout the Colorado River in the Grand Canyon.

Sources/Usage

Copyright: David Herasimtschuk/Freshwaters Illustrated