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Great Smoky Mountains National Park 3-Pass Electrofishing Sites

Published by National Park Service | Department of the Interior | Catalog Last Checked: August 01, 2026 at 04:05 AM | Dataset Last Updated: April 17, 2025 at 12:00 AM
These data show the location (only) of Fish 3-Pass Electroshocking study and monitoring sites within the park. Electoshocking utilizes an electrical generator which emits a non-lethal electrical current through the water. This electrical shock is employed to either stun the fish or encourages them to swim towards the electrical field for survey collection.

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