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These data were extracted from the CALVEG Existing Vegetation tiles, using the CWHR forest cover type - Black Oak and clipped to the Sierra Nevada Zone for the CA LCC.These CALVEG Existing Vegetation tiles have been crosswalked to other classification systems, including the California Wildlife Habitat Relationship System (CWHR).The CWHR habitat classification scheme has been developed to support the CWHR System, a wildlife information system and predictive model for California's regularly-occurring birds, mammals, reptiles and amphibians. When first published in 1988, the classification scheme had 53 habitats. These habitats — except the non-vegetated Barren habitat — are described in detail in the CWHR publication...
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This dataset represents actual and predicted suitable habitat for Quercus velutina (black oak, species code 837) in the Eastern United States as measured by importance value based on data obtained from the Forest Inventory and Analysis (FIA) project, current climate conditions, and future climate projections. This summary unit of this dataset is a 20 by 20 kilometer cell. The actual importance value (IV) was calculated based on the number of stems and basal area of a given tree species relative to other tree species on a plot using about 100,000 FIA plots (representing nearly 3 million tree records) in the 37 states within the United States east of the 100th meridian. These importance values were summarized to 20...
    map background search result map search result map CWHR Forest Cover Type - Black Oak, Sierra Nevada Eastern United States Climate Change Tree Atlas - Suitable habitat for Quercus velutina (black oak) as measured by importance value (IV) CWHR Forest Cover Type - Black Oak, Sierra Nevada Eastern United States Climate Change Tree Atlas - Suitable habitat for Quercus velutina (black oak) as measured by importance value (IV)