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FWS | 2017
Vegetation structure raster layers developed from lidar data are used in a variety of resource management applications. The ongoing lidar analysis from the USGS QL2 data collected in North Carolina…
FWS | 2017
The western U.S. Gulf of Mexico coast provides important habitat for migrating waterfowl and shorebirds. The Gulf Coast Joint Venture (GCJV) uses bioenergetic models (i.e., models that incorporate…
FWS | 2017
On the Kenai National Wildlife Refuge near Headquarters Lake is a small colony of Aleutian terns that nest alongside Arctic terns. Aleutian terns breed in small colonies along the Alaskan coast…
FWS | 2017
The Bear River Migratory Bird Refuge, located west of Brigham City, Utah, where the Bear River terminates into the Great Salt Lake, is a critically important feeding, resting, and breeding area for…
FWS | 2017
Several National Wildlife Refuges (NWRs) in Alaska have joined in a large-scale collaboration across the Northwest boreal forest to study Lynx (Lynx canadensis) through the peak and crash of the…
FWS | 2017
Models of animal density commonly use coarse land cover categories that homogenize vegetation attributes, thereby limiting specificity of results. Alternatively, models including land surface…
FWS | 2017
During winter, bald eagles (Haliaeetus leucocephalus) tend to congregate around any open waters within ice-covered rivers and lakes in the upper Midwest in their search for fish. Open waters…
FWS | 2017
Documenting bird and bat migration is challenging because migration activity is sporadic and nocturnal migrants (i.e., most aerial migrants) are difficult to observe. The FWS uses avian radar to…