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The U.S. Geological Survey (USGS) and the National Park Service (NPS) Vegetation Characterization Program initiated a project at Joshua Tree National Park (JOTR or Park) in 1996 to classify, describe, and map the vegetation communities of the Park. The project, including the final map, classification, and report, was completed in 2012. Initial mapping, photo-interpretation, and field work was conducted between 1996 and 2005. Final reports for these efforts were generated by 2005, including a map, ecological descriptions, classification, key, and photo-interpretation guide. Following this, a total of 1,313 accuracy assessments were conducted in 2007 and 2008, the results of which spurred additional field relev�s...
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The dataset delineates ecological zones within California deserts. We derived ecological zones by reclassifying LANDFIRE vegetation biophysical setting types, plus defined various non-wildland (e.g. developed urban/agriculture/roads) and non-burnable (e.g. open water/barren) areas using LANDFIRE existing vegetation types. The 43 biophysical setting types present within the study area were grouped into 13 general vegetation types, which were further grouped into 4 elevation-based ecological zones plus one riparian zone according to their constituent plant associations.
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The dataset delineates ecological sections within California deserts. These deserts occupy the southeastern portion of California and include two ecoregional provinces comprised of five desert regions ("ecological sections"; Miles and Goudey 1997). The American Semi-Desert and Desert Province (warm deserts) includes the Mojave Desert, Sonoran Desert, and Colorado Desert sections in the southern 83% of the California desert. The Intermountain Semi-Desert Province (cold deserts) includes the Southeastern Great Basin and Mono sections in the northern 17% of the region.
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The California desert occupies the southeastern 27% of California (11,028,300 ha, 110,283 km2 or 27,251,610 ac). It includes two ecoregional provinces comprised of five desert regions (“ecological sections”; Miles and Goudy 1997). The American Semi-Desert and Desert Province (warm deserts) includes the Mojave Desert, Sonoran Desert, and Colorado Desert sections in the southern 83% of the California desert. The Intermountain Semi-Desert Province (cold deserts) includes the Southeastern Great Basin and Mono sections in the northern 17% of the region. Previous analyses of fire patterns across the California desert have used point occurrence data. Point occurrence data can have limitations because they can: (1) represent...
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This raster dataset contains biophysical settings (band 1) and wildfire frequencies (band 2) within the Colorado Desert ecological section of California. Biophysical settings were developed by the LANDFIRE program and fires occurences were mapped by the Monitoring Trends in Burn Severity (MTBS) program.


    map background search result map search result map Joshua Tree National Park Vegetation Mapping Project - Spatial Vegetation Data Desert Tortoise Distance Sampling Map of Locations and Observations Fire Patterns among Ecological Zones in the California Desert, 1984–2013 Ecoregion sections of California deserts Biophyiscal settings and wildfire frequencies in the Colorado Desert ecological section of California, 1984 to 2013 Ecological zones of California deserts Joshua Tree National Park Vegetation Mapping Project - Spatial Vegetation Data Biophyiscal settings and wildfire frequencies in the Colorado Desert ecological section of California, 1984 to 2013 Desert Tortoise Distance Sampling Map of Locations and Observations Fire Patterns among Ecological Zones in the California Desert, 1984–2013 Ecological zones of California deserts Ecoregion sections of California deserts