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This feature class represents forest area estimates (and percent sampling error) by county for the year 2018. 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/geographies/mapping-files/time-series/geo/carto-boundary-file.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. Metadata and Downloads
Area of sampled land and water, in acres
Area of forest land, in acres
Area of timberland, in acres
Number of live trees (at least 1 inch d.b.h./d.r.c.), in trees, on forest land
Number of live trees (at least 1 inch d.b.h./d.r.c.), in trees, on timberland
Net merchantable bole volume of live trees (at least 5 inches d.b.h./d.r.c.), in cubic feet, on forest land
Net merchantable bole volume of live trees (at least 5 inches d.b.h./d.r.c.), in cubic feet, on timberland
Sound bole volume of live trees (at least 5 inches d.b.h./d.r.c.), in cubic feet, on forest land
Average annual net growth of sound bole volume of trees (at least 5 inches d.b.h./d.r.c.), in cubic feet, on forest land
Average annual net growth of sound bole volume of trees (at least 5 inches d.b.h./d.r.c.), in cubic feet, on timberland
Average annual net growth of merchantable bole volume of growing-stock trees (at least 5 inches d.b.h.), in cubic feet, on forest land
Average annual net growth of merchantable bole volume of growing-stock trees (at least 5 inches d.b.h.), in cubic feet, on timberland
Average annual removals of sound bole volume of trees (at least 5 inches d.b.h./d.r.c.), in cubic feet, on forest land
Average annual removals of sound bole volume of trees (at least 5 inches d.b.h./d.r.c.), in cubic feet, on timberland
Average annual removals of merchantable bole volume of growing-stock trees (at least 5 inches d.b.h.), in cubic feet, on forest land
Average annual removals of merchantable bole volume of growing-stock trees (at least 5 inches d.b.h.), in cubic feet, on timberland
Average annual removals of trees (at least 5 inches d.b.h./d.r.c.), in trees, on forest land
Average annual removals of trees (at least 5 inches d.b.h./d.r.c.), in trees, on timberland
Average annual mortality of sound bole volume of trees (at least 5 inches d.b.h./d.r.c.), in cubic feet, on forest land
Average annual mortality of sound bole volume of trees (at least 5 inches d.b.h./d.r.c.), in cubic feet, on timberland
Average annual mortality of merchantable bole volume of growing-stock trees (at least 5 inches d.b.h.), in cubic feet, on forest land
Average annual mortality of merchantable bole volume of growing-stock trees (at least 5 inches d.b.h.), in cubic feet, on timberland
Average annual mortality of trees (at least 5 inches d.b.h./d.r.c.), in trees, on forest land
Average annual mortality of trees (at least 5 inches d.b.h./d.r.c.), in trees, on timberland
Aboveground biomass of live trees (at least 1 inch d.b.h./d.r.c), in dry short tons, on forest land
Aboveground biomass of live trees (at least 1 inch d.b.h./d.r.c), in dry short tons, on timberland
Aboveground carbon in live trees (at least 1 inch d.b.h./d.r.c), in short tons, on forest land
Aboveground carbon in live trees (at least 1 inch d.b.h./d.r.c), in short tons, on timberland
Total carbon, in short tons, on forest land
Net merchantable bole volume of growing-stock trees (at least 5 inches d.b.h.), in cubic feet, on forest land
Net merchantable bole volume of growing-stock trees (at least 5 inches d.b.h.), in cubic feet, on timberland
Net sawlog volume of sawtimber trees, in board feet (International 1/4-inch rule), on forest land
Net sawlog volume of sawtimber trees, in board feet (International 1/4-inch rule), on timberland