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Ecosystem Assessment Research Branch

David W. Bolgrien, Branch Chief (Acting) and Research Biologist

The Ecosystem Assessment Research Branch provides understanding of aquatic life species, community, and wildlife population responses to chemical, physical, and biological stressors to develop technologies for evaluating condition of freshwater ecosystems.

Timothy Corry, Biological Science Laboratory Technician
Anne Cotter, Chemist
Joel Hoffman, Research Biologist
Samuel Miller, Aquatic Biologist
Gregory Peterson, Ecologist
Jill Scharold, Research Aquatic Biologist
Michael Sierszen, Research Ecologist
Anett Trebitz, Research Ecologist
Peder Yurista, Research Ecologist

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