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Aspen was analyzed against Disease Change Agents by computing the euclidean distance from sudden aspen decline stands and then calculating the average value within the 4km analysis unit.
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Riparian vegetation communities were extracted from state ReGAP and Landfire Exisitng Vegetation (California only). The individual rasters were mosaiced to create a single raster than represent Riparian vegetation with the NGB ecoregion.
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A 10 km moving window was used on the aspen conservation element to determine the relative density of aspen within the moving window.
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Development change agents were mosaiced together and the euclidean distance was calculated. Aspen communiities were used to extract the distances. The resulting layer was used in the intactness calculation.
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Aspen cummulative score was based on ranking burn probability, distance to disease and distance to development into three categories (1 lowest quality - 3 highest quality). The layers were added together to yield scores ranging from 3 (lowest quality in all three layers) - 9 (highest quality in all three layers).
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Development change agents were mosaiced together and the euclidean distance was calculated. Aspen communiities were used to extract the distances then zonal statistics calculated the average within the 4km analysis unit.
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These data were extracted from the CALVEG Existing Vegetation tiles, using the CWHR forest cover type, Aspen 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...
Aspen are thought to be declining in this region due to a combination of fire suppression, grazing and wildlife management practices, and potentially cool/wet climates of the past century which favor advancing conifer succession. Many scientists are concerned that aspen?s related species may also be losing habitat, thereby threatening the long-term local and regional viability of this important community. To date, few studies have specifically examined the role of aspen?s epiphytic lichen community. This paper presents basic community research describing the application of Indicator Species Analysis for lichens growing on aspen stems in the central Rocky Mountains of North American. Results show unique lichen assemblages...
This data set contains imagery from the National Agriculture Imagery Program (NAIP). The NAIP program is administered by USDA FSA and has been established to support two main FSA strategic goals centered on agricultural production. These are, increase stewardship of America's natural resources while enhancing the environment, and to ensure commodities are procured and distributed effectively and efficiently to increase food security. The NAIP program supports these goals by acquiring and providing ortho imagery that has been collected during the agricultural growing season in the U.S. The NAIP ortho imagery is tailored to meet FSA requirements and is a fundamental tool used to support FSA farm and conservation programs....
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Mixed Conifer Aspen vegetation communities were extracted from state ReGAP and Landfire Exisitng Vegetation (California only). The individual rasters were mosaiced to create a single raster than represent aspen with the NGB ecoregion.
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Properly identifying the rarity of a species is essential to determine the amount of protection that needs to be applied. Clarifying the status of these species will allow industry to proactively manage their exploration and development activities. This project focuses on obtaining current species information throughout all the Field Offices and will identify and delineate the present location of these sensitive species.
The project will conduct several different forms of forest and rangeland health treatments to improve and restore good health conditions in aspen woodlands and rangelands on roughly between 700,000 to 750,000 acres located in the southwestern portion of Rawlins, WY. The goal is to implement a combination of treatments (mechanical removal of confier encroachment in aspen stands, prescribed burning, hazardous fuels reduction and mechanical brush beating) within identified areas of forest and rangelands within the project area to improve aspen stand, rangeland vegetation, and riparian ecosystem health; improve livestock grazing and wildlife habitat conditions; and reduce hazardous fire fuel build-up within juniper...
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This project is designed to restore aspen across a large landscape to healthy, vigorous conditions, establish a multi-age class diversity; and improve both wildlife habitat and grazing conditions, and reduce hazardous fuels across the landscape by removing flammable conifer in aspen stands. A variety of tactical mechanical methods to treat conifer trees that are encroaching on and out-competing aspen stands. Mechanical treatments are completed with prescribed fire. The project goal is to treat 9,000 acres over 10 years. Aspen is often classified a “keystone species” (Campbell and Bartos, 2001) and is often considered second to riparian and wetland communities as the most productive habitat for wildlife and plant...
In western North America, quaking aspen (Populus tremuloides) is the most common hardwood in montane landscapes. Fire suppression, grazing and wildlife management practices, and climate patterns of the past century are all potential threats to aspen coverage in this region. If aspen-dependent species are losing habitat, this raises concerns about their long-term viability. Though lichens have a rich history as air pollution indicators, we believe that they may also be useful as a metric of community diversity associated with habitat change. We established 47 plots in the Bear River Range of northern Utah and southern Idaho to evaluate the effects of forest succession on epiphytic macrolichen communities. Plots were...


map background search result map search result map Special Status Plant Species Monitoring and Inventory Wyoming Front Aspen Treatment Aspen Conservation Joint Venture: Upper Muddy Creek Aspen Restoration Project CWHR Forest Cover Type - Aspen, Sierra Nevada FSA 10:1 NAIP Imagery m_3910650_ne_13_1_20150910_20151102 3.75 x 3.75 minute JPEG2000 from The National Map USGS 1:24000-scale Quadrangle for Aspen, CO 1960 USGS 1:24000-scale Quadrangle for Aspen, CO 1960 USGS 1:62500-scale Quadrangle for Aspen, CO 1893 USGS 1:62500-scale Quadrangle for Aspen, CO 1895 BLM REA NGB 2011 Englemann spruce Climate Change Viability in the NGB 2060 BLM REA NGB 2011 Aspen Distance to Sudden Aspen Decline Areas by 4km Analysis Unit. BLM REA NGB 2011 Aspen Distance to Development by 4km Analysis unit. BLM REA NGB 2011 Aspen Cumulative Score within 4km Analysis Unit BLM REA NGB 2011 Mixed Conifer Aspen in the NGB BLM REA NGB 2011 Aspen Climate Change Viability in the NGB 2030 BLM REA NGB 2011 Aspen Distance to Development BLM REA NGB 2011 Riparian Vegetation from Landfire and ReGAP BLM REA NGB 2011 Aspen Density within Moving Window FSA 10:1 NAIP Imagery m_3910650_ne_13_1_20150910_20151102 3.75 x 3.75 minute JPEG2000 from The National Map USGS 1:24000-scale Quadrangle for Aspen, CO 1960 USGS 1:24000-scale Quadrangle for Aspen, CO 1960 Wyoming Front Aspen Treatment USGS 1:62500-scale Quadrangle for Aspen, CO 1893 USGS 1:62500-scale Quadrangle for Aspen, CO 1895 Special Status Plant Species Monitoring and Inventory CWHR Forest Cover Type - Aspen, Sierra Nevada BLM REA NGB 2011 Englemann spruce Climate Change Viability in the NGB 2060 BLM REA NGB 2011 Aspen Climate Change Viability in the NGB 2030 BLM REA NGB 2011 Aspen Distance to Development by 4km Analysis unit. BLM REA NGB 2011 Aspen Cumulative Score within 4km Analysis Unit BLM REA NGB 2011 Mixed Conifer Aspen in the NGB BLM REA NGB 2011 Aspen Distance to Development BLM REA NGB 2011 Riparian Vegetation from Landfire and ReGAP BLM REA NGB 2011 Aspen Density within Moving Window BLM REA NGB 2011 Aspen Distance to Sudden Aspen Decline Areas by 4km Analysis Unit.