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    • Terrestrial Condition Assessment (TCA) Tree Mortality 6 to 10 years (Map Service)

    Metadata Updated: April 21, 2025

    Data are derived from 2010-2014 (6-10 years) aerial detection surveys for tree defoliation and mortality from the USFS Forest Health Assessment and Applied Sciences Team (FHAAST) National Forest Pest Conditions Database. Polygons are created by aerial sketch mapping, and coded for defoliation and mortality, in addition to other damage codes. Defoliation and mortality layers were created from the polygon data and the attribute codes. The layers were merged to compensate for difficulties in identifying defoliation separately from mortality in hardwoods vs. conifer forests. Areas that were defoliated during three of the years recorded in the five-year dataset are thought to have significant impacts and likely mortality, so these polygons were added to the mortality layer. The layer includes areas with mortality classed as  very light .

    Access & Use Information

    Public: This dataset is intended for public access and use. License: Creative Commons Attribution

    Downloads & Resources

    Dates

    Metadata Created Date November 3, 2022
    Metadata Updated Date April 21, 2025

    Metadata Source

    Harvested from USDA JSON

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date November 3, 2022
    Metadata Updated Date April 21, 2025
    Publisher U.S. Forest Service
    Maintainer
    Identifier https://www.arcgis.com/home/item.html?id=d5b7385f563e4938a643328f0869a3e4
    Data First Published 2021-01-21
    Data Last Modified 2022-08-29
    Category geospatial
    Public Access Level public
    Bureau Code 005:96
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    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 289029e1-68e6-4448-8125-9ca6a76c08aa
    Harvest Source Id d3fafa34-0cb9-48f1-ab1d-5b5fdc783806
    Harvest Source Title USDA JSON
    Homepage URL https://data-usfs.hub.arcgis.com/documents/usfs::terrestrial-condition-assessment-tca-tree-mortality-6-to-10-years-map-service
    License https://creativecommons.org/licenses/by/4.0/
    Metadata Type geospatial
    Old Spatial -131.3620,6.8980,-65.6380,72.6220
    Program Code 005:059
    Progresscode onGoing
    Source Datajson Identifier True
    Source Hash b2400d681a41511df0e503b274e52a8d4471cc232e7d51b56290983eb5118437
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -131.3620, 6.8980, -131.3620, 72.6220, -65.6380, 72.6220, -65.6380, 6.8980, -131.3620, 6.8980}

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