Filters: Extensions: Raster (X) > partyWithName: Cooperative Research Units (X)

Filters Date Range Past year (3) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Downloadable (3) GeoTIFF (3) Map Service (3) Raster (3) Citation (1) Contacts Cyndy Loftin U.S. Geological Survey - ScienceBase Ecosystems U.S. Geological Survey William D Walter More... Categories Data (3) Tag Types Place (3) Theme (3) USGS Scientific Topic Keyword (2) Harvest Set (3) Tag Schemes None (3) Common geographic areas (1) USGS Thesaurus (1) ISO 19115 Topic Category (2) View Results as: JSON ATOM CSV

Distribution Models Predicting Groundwater Influenced Ecosystems in the Northeastern United States Globally, groundwater dependent ecosystems (GDEs) are increasingly vulnerable to groundwater extraction and land use practices. Groundwater supports these ecosystems by providing inflow, which can maintain water levels, water temperature, and chemistry necessary to sustain the biodiversity that they support. Many aquatic systems receive groundwater as a portion of base flow, and in some systems (e.g., springs, seeps, fens) the connection with groundwater is significant and important to the system’s integrity and persistence. Groundwater management decisions for human use may not consider ecological effects of those actions on GDEs, which rely on groundwater to maintain ecological function. This disconnect between... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Ecology, Hydrology, Land Use Change, New England, Remote Sensing, All tags... USGS Science Data Catalog (SDC), Water Resources, Wildlife Biology, groundwater, groundwater influenced ecosystems, imageryBaseMapsEarthCover, modeling, northeastern United States, northeastern states, prediction, Fewer tags Input for Habitat Risk Software Chronic wasting disease (CWD) is a transmissible spongiform encephalopathy that was first detected in captive cervids in Colorado, United States (US) in 1967, but has since spread into free-ranging white-tailed deer (Odocoileus virginianus) populations across the US and Canada. In some areas, the disease is considered endemic in wild deer populations, and governmental wildlife agencies have employed epidemiological models to understand long-term environmental risk. However, continued rapid spread of CWD into new regions of the continent has underscored the need for extension of these models into broader tools applicable for wide use by wildlife agencies. Additionally, efforts to semi-automate models will facilitate... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: USGS Science Data Catalog (SDC), Wildlife Disease, biota, surveillance, surveillance Prioritization of areas for open pine ecosystem restoration in the Southeastern United States: All Species We used NLCD 2011, SSURGO, and SEGAP data to map the density of desired resources for open pine ecosystems and six focal species of birds and 2 reptiles within the historic range of longleaf pine east of the Mississippi River. Binary rasters were created of sites with desired characteristics such as land form, hydrology, land use and land cover, soils, potential habitat for focal species, and putative source populations of focal species. Each raster was smoothed using a kernel density estimator. Rasters were combined and scaled to map priority locations for the management of each focal species. Species’ rasters were combined and scaled to provide maps of overall priority for birds and for birds and reptiles. For... Categories: Data; Types: Citation, Downloadable, GeoTIFF, Map Service, Raster; Tags: Bird Conservation Region 24, East Gulf Coastal Plain Joint Venture, Florida, Georgia, Louisiana, All tags... Mississippi, NCCWSC, North Carolina, South Carolina, Southeastern United States, USGS Science Data Catalog (SDC), ecosystem diversity, ecosystem functions, ecosystem management, ecosystems, restoration, Fewer tags