2021 Three-Pass Depletion Fish Census Surveys

Published by National Park Service | Department of the Interior | Metadata Last Checked: January 07, 2026 | Last Modified: 2024-05-22T00:00:00Z

These data represent fish census surveys in Great Smoky Mountains National Park conducted using the Delury Method of Three-Pass Depletion electrofishing. In 2021, fish were collected, sorted by species, and weighed at unique sites from streams ranging in size from first to third-order waterways. These streams are surveyed on an annual basis to monitor population trends over time.

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Complete Metadata

bureauCode	[ "010:24" ]
identifier	http://datainventory.doi.gov/id/dataset/NPS_DataStore_2303824
issued	2024-05-22T00:00:00Z
landingPage	https://irma.nps.gov/DataStore/Reference/Profile/2303824
programCode	[ "010:118", "010:119" ]
spatial	-84.0138855,35.4268951,-82.99804,35.8413849
temporal	2021-05-01/2021-09-01
theme	[ "Generic Dataset" ]