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FWS | 2015
National Elk Refuge (NER), near Jackson, Wyoming, recently partnered with Grand Teton National Park to collect high-resolution lidar elevation data. This cooperative project with Grand Teton, which…
FWS | 2015
Semidesert grasslands in the arid Southwest have been substantially altered since the late 1800s by heavy livestock grazing, prolonged drought, and disrupted fire regimes. Prescribed fire plays a…
FWS | 2015
With a greater focus on landscape conservation to support and integrate existing program activities, FWS core responsibilities increasingly require standardized, regularly updated landscape-scale…
FWS | 2015
Average radar intensity over the Great Dismal Swamp Refuge (GDSR) in North Carolina and Virginia has a close relationship with changing groundwater levels. Using PALSAR and RADARSAT2…
FWS | 2015
The FWS, Midwest Region has begun an evaluation program to understand the utility of a 4-camera strip video sampling system for migratory bird counts. The camera, although now outdated and no longer…
FWS | 2015
In 2014, a 220,000-acre fire burned within the Kenai National Wildlife Refuge, Alaska. To assess the impact of the fire, new high-resolution orhophotography and elevation data were desired for at…
FWS | 2015
Large river ecosystems are an important functional part of the landscape in the southeastern United States. The extent and condition of large river floodplains greatly affect the quality of fish and…
FWS | 2015
The Water Resources Division of the Region 6 FWS generated elevation data for the creation of a storage-capacity curve for MacFarlane Reservoir, which supplies water to the Arapaho National Wildlife…
FWS | 2015
When railway tracks are located close to wetlands, rivers, or lakes, dynamic water level changes can have substantial economic and environmental impacts on railroad operations. For example,…
FWS | 2012
The golden-cheeked warbler and black-capped vireo were listed by the U.S. Fish and Wildlife Service (USFS) as endangered in 1990 and 1987, respectively. In 1992 the 10,000 hectare Balcones…
FWS | 2012
In an attempt to assess the viability of using legacy lidar data of varying collection density to characterize avian nesting habitat by species at a landscape scale, the existing lidar data from the…
FWS | 2012
Vegetation mapping of the public access side of Desert National Wildlife Refuge (NWR) began in fiscal year 2011 and will be completed at the end of fiscal year 2012. The vegetation mapping is…