Parent Layer: Structure

Name: Percent Canopy Cover (F3) (corrected for crown overlap) normalized

Display Field:

Type: Raster Layer

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Description: Canopy cover is the percentage “of forest floor covered by the vertical projection of the tree crowns.” Cover is measured vertically with a very narrow angle of view that approaches a point and indicates how much of the forest floor is vertically overtopped with canopy. Canopy cover is often cited as an important habitat feature for a number of sensitive species associated with old-forest conditions in the Sierra Nevada and is used in determining California Wildlife Habitat Relationship (CWHR) habitat types.----------------This raster has been modified from the base 30m version in the following ways:-------- - It has been aggregated from a 30m to a 300m scale by averaging across the 30m values-------- - The normalized values are rescaled based on the full range of potential values, with -1 representing low values, and 1 representing high values. This interpretation simply reflects the range of values, without any particular value for open versus closed conditions.----------------- Unit Of Measure: Percent

Copyright Text: USDA Forest Service - Region 5 and Pacific Southwest Research Station (PSW): The USDA Forest Service makes no warranty, expressed or implied, including the warranties of merchantability and fitness for a particular purpose, nor assumes any legal liability or responsibility for the accuracy, reliability, completeness, or utility of these geospatial data, or for the improper or incorrect use of these geospatial data. These geospatial data and related maps or graphics are not legal documents and are not intended to be used as such. The data and maps may not be used to determine title, ownership, legal descriptions or boundaries, legal jurisdiction, or restrictions that may be in place on either public or private land. Natural hazards may or may not be depicted on the data and maps, and land users should exercise due caution. The data are dynamic and may change over time. The user is responsible to verify the limitations of the geospatial data and to use the data accordingly.

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