Filters: Tags: Expansion (X)
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Relative risk for expansion of Russian olive summarized by 5th level watersheds for the Wyoming Basin Rapid Ecoregional Assessment project area. Current risk of expansion based on suitability models using recent climatic conditions (1980 to 2009). Expansion risk is classified as low for probabilities less than 0.33, medium for probabilities between 0.34 and 0.66, and high for probabilities greater than 0.67. Probabilities based on occurrence models developed by Jarnevich and Reynolds (2011) and Jarnevich and others (2011). Hatched lines denote watersheds where LANDFIRE indicted Russian olive and (or) tamarisk presence. These data are provided by Bureau of Land Management (BLM) "as is" and may contain errors or omissions....
This map shows DOD (military) sites, installations, ranges, and training areas in the U.S. and its Territories. It also shows past, current, and future study areas related to the Twenty-Nine Palms Training Land/Airspace Acquisition Project. These data are provided by Bureau of Land Management (BLM) "as is" and may contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears all responsibility in determining whether these data are fit for the User's intended use. These data may not have the accuracy, resolution, completeness, timeliness, or other characteristics appropriate for applications that potential users of the data may contemplate. The User is encouraged to...
Abstract (from http://www.sciencedirect.com/science/article/pii/S1146609X15300059): Woody species are increasing in density, causing transition to more densely wooded vegetation states, and encroaching across ecotonal borders into non-forested ecosystems. We examined USDA Forest Service Forest Inventory and Analysis data to identify tree species that have expanded longitudinally in range, particularly into the central United States. We analyzed compositional differences within ecological regions (i.e., subsections) in eastern and western ranges of species using repeated measures ANOVA. We considered differences in outer ranges to indicate range expansion or contraction. We also estimated the shift in forest area...
Categories: Publication;
Types: Citation;
Tags: Assisted migration,
Densification,
Encroachment,
Expansion,
Forests,
This map shows DOD (military) sites, installations, ranges, and training areas in the U.S. and its Territories. It also shows past, current, and future study areas related to the Twenty-Nine Palms Training Land/Airspace Acquisition Project. These data are provided by Bureau of Land Management (BLM) "as is" and may contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears all responsibility in determining whether these data are fit for the User's intended use. These data may not have the accuracy, resolution, completeness, timeliness, or other characteristics appropriate for applications that potential users of the data may contemplate. The User is encouraged to...
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