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    • Terrestrial Condition Assessment (TCA) Grassland Encroachment (Map Service)

    Metadata Updated: June 21, 2023

    The indicator uses areas identified as grasslands using LANDFIRE�s Biophysical Settings (BpS) raster dataset (US_140BPS_20180618) along with a cross-walk based on Reeves MC, Mitchell JE (2011) Extent of coterminous US rangelands: quantifying implications of differing agency perspectives. Rangel Ecol Manage 64:1�12 to identify BpS units that are likely to be grasslands during pre-European times. Presence of conifer tree species was developed using USGS National Landcover Database 2011 (NLCD) legend class �42 � Evergreen Forest�. The Evergreen forest class represents �areas dominated by trees generally greater than 5 meters tall, and greater than 20% of total vegetation cover. More than 75% of the tree species maintain their leaves all year. Canopy is never without green foliage.���Grassland conifer encroachment is identified where raster pixels are identified as both �grasslands� and NLCD �Evergreen Forest�

    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 June 21, 2023

    Metadata Source

    Harvested from USDA JSON

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date November 3, 2022
    Metadata Updated Date June 21, 2023
    Publisher U.S. Forest Service
    Maintainer
    Identifier https://www.arcgis.com/home/item.html?id=ce757f1224c04dbe8d96f309430098b7
    Data First Published 2021-01-21
    Data Last Modified 2022-08-25
    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 0786b700-1295-4fd5-95fc-df4d547511a0
    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-grassland-encroachment-map-service
    License https://creativecommons.org/licenses/by/4.0/
    Metadata Type geospatial
    Old Spatial -125.6836,24.2870,-66.0059,52.1605
    Program Code 005:059
    Source Datajson Identifier True
    Source Hash 949509b82277945594f3aae1533f78b6380983be
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -125.6836, 24.2870, -125.6836, 52.1605, -66.0059, 52.1605, -66.0059, 24.2870, -125.6836, 24.2870}

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