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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…
FWS | 2017
Wildland fires are an important natural disturbance in semi-desert grasslands, but they can pose a threat to natural resource values and private property. Predicting the spread and intensity of fires…
FWS | 2017
Wildlife management agencies in North America have a long history of using aircraft to monitor population abundance of ducks, geese, swans, and other migratory birds. While low-level, ocular…
FWS | 2017
Environment and Climate Change Canada, Natural Resources Canada, and the FWS are collaborating to develop a multi-sensor, multi-frequency remote sensing approach to mapping and monitoring…
FWS | 2017
Monitoring the dynamic changes of glacial landscapes requires detailed topographic elevation data. In the late summer of 2016, the Kenai National Wildlife Refuge collected 75-cm multispectral imagery…
NPS | 2017
Snow wetness and icing can affect ecosystem processes at multiple spatial and temporal scales including hydrology, carbon cycling, wildlife movement, and human transportation. Snow wetness occurs…