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Collecting benthic macroinvertebrates in Wrangell St. Elias National Park

Detailed Description

Sam Graf (NPS – LACL) collects benthic macroinvertebrates using an Eckman grab in Wrangell St. Elias National Park as part of a study examining mercury in lake food webs. Disclaimer statement: Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.

Sources/Usage

Public Domain.

Photo taken by Ashley Stanek, U.S. Geological Survey

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