Streams impacted by mixed contaminants:

The East Fork Poplar Creek study.

Temporal (Recovery) Responses.


The level of mercury in the water of East Fork Poplar Creek decreased from 1989 - 2000. These changes reflect the effects of remediation activities at and downstream from the industrial facility.

Temporal changes in three individual-level indicators of fish health. An increase in triglycerides indicates better nutritional status, a decrease in the spleen index reflects lower infection and disease, and an increase in the liver index suggest improved bioenergetic status.

Temporal decrease in the levels of contaminants in East Fork Poplar Creek which appears to be associated with improved stream integrity is reflected over several trophic groups and levels of biological organization.

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