Search
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 | 2013
The U.S. Fish and Wildlife Service (USFWS) uses avian radar along with multiple other methods to monitor bird and bat migration along the shorelines of the Great Lakes (http://www.fws.gov/radar/…
FWS | 2013
The invasive wetland plant Phragmites australis forms very tall, monotypic, dense stands of reeds that cause massive habitat degradation and biological diversity reduction in Great Lakes wetlands.…
FWS | 2013
This project addresses unauthorized grazing by cattle on two islands (Wosnesenski and Chirikof) within the Alaska Maritime National Wildlife Refuge. The refuge was established in 1980 to conserve…
FWS | 2013
Refuge staff photographed one unit of Bandon Marsh National Wildlife Refuge (NWR) using a handheld digital single-lens reflex camera from a helicopter. The flight produced hundreds of…
FWS | 2013
Light detection and ranging (lidar) acquired for Camas National Wildlife Refuge was used to create models of the current water regime and explore possible changes in water control structures within…
FWS | 2013
Chinook salmon (Oncorhynchus tshawytscha) populations are declining throughout most of Alaska but remain a valuable resource for subsistence, sport, and commercial harvests. Traditional ecological…
FWS | 2013
A lidar dataset is providing a high-resolution digital elevation model for modeling various natural resource related issues. The data collection is facilitating the development of models for wetland…
FWS | 2013
Southwest semidesert grasslands are highly affected by a century of livestock grazing, disruption of historical fire regimes, prolonged drought, and non-native plant invasions. The USFWS has sought…