7.5-Minute OnDemand Topo Cartographic Specifications - Land Cover

LANDCOVER

Barren

FType: No FType for this feature

FCode: 10605

Feature Description: Areas of bedrock, desert pavement, scarps, talus, slides, volcanic material, glacial debris, sand dunes, strip mines, gravel pits and other accumulations of earthen material. Generally, vegetation accounts for less than 15% of total cover.

Cartographic Representation

Point Graphic Depiction	Linear Graphic Depiction	Polygon Graphic Depiction
Not Applicable	Not Applicable	Media Sources/Usage: Public Domain. View Media Details

Polygon Symbology Specifications

Cropland

FType: No FType for this feature

FCode: 10603

Feature Description: Areas of grasses, legumes, or grass-legume mixtures planted for livestock grazing or the production of seed or hay crops, typically on a perennial cycle, and areas used for the production of annual crops, such as corn, soybeans, vegetables, tobacco, and cotton, and also perennial woody crops such as orchards and vineyards. Pasture, hay, or crop vegetation accounts for greater than 20% of total vegetation. This class also includes all land being actively tilled.

Cartographic Representation

Point Graphic Depiction	Linear Graphic Depiction	Polygon Graphic Depiction
Not Applicable	Not Applicable	Media Sources/Usage: Public Domain. View Media Details

Polygon Symbology Specifications

Grassland

FType: No FType for this feature

FCode: 10604

Feature Description: Areas dominated by gramanoid or herbaceous vegetation, generally greater than 80% of total vegetation. These areas are not subject to intensive management such as tilling, but can be utilized for grazing.

Cartographic Representation

Point Graphic Depiction	Linear Graphic Depiction	Polygon Graphic Depiction
Not Applicable	Not Applicable	Media Sources/Usage: Public Domain. View Media Details

Polygon Symbology Specifications

Sedge

FType: No FType for this feature

FCode: 10606

Feature Description: Alaska only areas dominated by sedges and forbs, generally greater than 80% of total vegetation. This type can occur with significant other grasses or other grass like plants, and includes sedge tundra, and sedge tussock tundra.

Cartographic Representation

Point Graphic Depiction	Linear Graphic Depiction	Polygon Graphic Depiction
Not Applicable	Not Applicable	Media Sources/Usage: Public Domain. View Media Details

Polygon Symbology Specifications

Shrubland

FType: No FType for this feature

FCode: 10602

Feature Description: Areas dominated by shrubs; less than 5 meters tall with shrub canopy typically greater than 20% of total vegetation. This class includes true shrubs, young trees in an early successional stage or trees stunted from environmental conditions. Also includes Alaska only areas dominated by shrubs less than 20 centimeters tall with shrub canopy typically greater than 20% of total vegetation. This type is often co-associated with grasses, sedges, herbs, and non-vascular vegetation.

Cartographic Representation

Point Graphic Depiction	Linear Graphic Depiction	Polygon Graphic Depiction
Not Applicable	Not Applicable	Media Sources/Usage: Public Domain. View Media Details

Polygon Symbology Specifications

Woodland

FType: No FType for this feature

FCode: 10600

Feature Description: An area, at least 1 acre in size, where the percentage of the total land surface covered by trees is 20 percent or greater. In Alaska, woodland represents an area, at least 1 acre in size, where more than 20 percent of the total vegetation cover is dominated by trees generally greater than 5 meters tall.

Cartographic Representation

Point Graphic Depiction	Linear Graphic Depiction	Polygon Graphic Depiction
Not Applicable	Not Applicable	Media Sources/Usage: Public Domain. View Media Details

Polygon Symbology Specifications