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    • Methow River Steelhead - Methow River Steelhead hatchery reform research

    Metadata Updated: May 24, 2025

    Steelhead in Pacific Northwest hatcheries are typically reared for release as 1-year-old smolts, rather than the 2¬and 3-year-old smolt life history patterns found in nature. High growth rates associated with accelerated hatchery rearing to a 1-year-old smolt life history may contribute to maladaptive behavioral traits and reduced post-release survival, and may constitute a primary mechanism leading to reduced fitness in hatchery fish. This project provides for implementation and evaluation of major hatchery reforms identified for the US Fish and Wildlife Service’s Winthrop National Fish Hatchery (WNFH). The project combines hatchery-scale and laboratory scale research to investigate the effects of two growth regimes on i) post-release survival and behavior, ii) on maturation and residualism, iii) age-at-maturity, iv) epigenetic changes, and v) reproductive success of returning adults. PIT tag data for age-1 and age-2 steelhead smolts released from Winthrop National Fish Hatchery for release years 2010-2015.

    Access & Use Information

    License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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    Dates

    Metadata Date May 15, 2025
    Metadata Created Date October 19, 2024
    Metadata Updated Date May 24, 2025
    Reference Date(s) June 1, 2010 (creation), March 1, 2017 (publication)
    Frequency Of Update

    Metadata Source

    Harvested from NMFS NWFSC

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Date May 15, 2025
    Metadata Created Date October 19, 2024
    Metadata Updated Date May 24, 2025
    Reference Date(s) June 1, 2010 (creation), March 1, 2017 (publication)
    Responsible Party (Point of Contact, Custodian)
    Contact Email
    Guid gov.noaa.nmfs.inport:18478
    Access Constraints Cite As: Northwest Fisheries Science Center, [Date of Access]: Methow River Steelhead - Methow River Steelhead hatchery reform research [Data Date Range], https://www.fisheries.noaa.gov/inport/item/18478., Access Constraints: NA
    Bbox East Long -120.1684
    Bbox North Lat 48.4842
    Bbox South Lat 48.4742
    Bbox West Long -120.1784
    Coupled Resource
    Frequency Of Update
    Harvest Object Id 765179bd-f967-4ab6-aaf6-ad0709f24e3f
    Harvest Source Id ba43549f-8268-499d-bec8-91b164cb168f
    Harvest Source Title NMFS NWFSC
    Licence NOAA provides no warranty, nor accepts any liability occurring from any incomplete, incorrect, or misleading data, or from any incorrect, incomplete, or misleading use of the data. It is the responsibility of the user to determine whether or not the data is suitable for the intended purpose.
    Lineage Manual data entry
    Metadata Language eng
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": [[[-120.1784, 48.4742], [-120.1684, 48.4742], [-120.1684, 48.4842], [-120.1784, 48.4842], [-120.1784, 48.4742]]]}
    Progress completed
    Spatial Data Service Type
    Spatial Reference System
    Spatial Harvester True
    Temporal Extent Begin 2010-06-01

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