遇见数据集

FIA Landcover County Estimates - 2016 (Feature Layer)

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This feature class represents forest area estimates (and percent sampling error) by county for the year 2016. The data was generated from the Forest Inventory Analysis (FIA) using the EVALIDator web tool (https://apps.fs.usda.gov/Evalidator/evalidator.jsp). The areas were calculated within county limits using the US Census Bureau's county spatial data (https://www.census.gov/geo/maps-data/data/cbf/cbf_counties.html). Features and attributes of the county layer were adapted to match attributes within the FIA database (FIADB) and features have been generalized by removing vertices to enhance performance. Future iterations of this dataset will be produced using refined methods and higher resolution spatial data. <a href='https://data.fs.usda.gov/geodata/edw/datasets.php?xmlKeyword=FIA+Landcover+County+Estimates' target='_blank' rel='nofollow ugc noopener noreferrer'>Metadata and Downloads</a>

提供机构:
U.S. Forest Service
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