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    • VHF Triangulation Tracking Data for Black Brant (Branta bernicla nigricans) in Waters Adjacent to Izembek National Wildlife Refuge, Alaska

    Metadata Updated: September 17, 2025

    This data package contains estimated location data from triangulation tracking of VHF transmitters on 93 Black Brant at Izembek National Wildlife Refuge, Alaska, during fall 1987-1990. The transmitters were attached to second year and older Brant on breeding colonies in Alaska, northwestern Canada, and northeastern Russia. The data include: a deployment attributes file with details of each brant at the time of capture, the raw bearing data, and location estimates from triangulation.

    Access & Use Information

    Public: This dataset is intended for public access and use. 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.

    Downloads & Resources

    Dates

    Metadata Created Date September 12, 2025
    Metadata Updated Date September 17, 2025

    Metadata Source

    Harvested from DOI USGS DCAT-US

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date September 12, 2025
    Metadata Updated Date September 17, 2025
    Publisher U.S. Geological Survey
    Maintainer
    Identifier http://datainventory.doi.gov/id/dataset/usgs-6812a12dd4be02416e148b3a
    Data Last Modified 2025-04-30T00:00:00Z
    Category geospatial
    Public Access Level public
    Bureau Code 010:12
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://ddi.doi.gov/usgs-data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id 583be459-6b76-400e-beab-2d49862e746c
    Harvest Source Id 2b80d118-ab3a-48ba-bd93-996bbacefac2
    Harvest Source Title DOI USGS DCAT-US
    Metadata Type geospatial
    Old Spatial -163.1, 55.1, -162.5, 55.5
    Source Datajson Identifier True
    Source Hash f08c7d77720cb3d56aea1da2b07e486112e3ef53a25d6de38f625ee04e10378b
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -163.1, 55.1, -163.1, 55.5, -162.5, 55.5, -162.5, 55.1, -163.1, 55.1}

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