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BOR | 2017
The Colorado River is the principal source of water for agriculture and riparian vegetation in Arizona, southern California, and southern Nevada. To account for water use by each State or individual…
BOR | 2017
The BOR uses lidar and other remote-sensing-based elevation data as a basis for hydraulic modeling of dam failure and operational release flood flows. This work involves the implementation of both…
BOR | 2017
The BLM Lower Colorado River Multi-Species Conservation Program (LCR MSCP) is charged with improving habitat for endangered avian species at multiple conservation areas along the Lower Colorado River…
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…
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
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
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
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
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 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
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 Bill Williams River is a tributary to the lower Colorado River and maintains one of the few examples of naturally regenerating cottonwood-willow gallery forest in the region. Gallery forest…