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FWS | 2015
Documenting bird and bat migration is challenging because of the typically sporadic nature of migration activity and the difficulty of observing nocturnal movements. The FWS uses avian radar to…
FWS | 2015
This project is an expansion of original research completed by the Intermountain West Joint Venture (http://iwjv.org/) and the Natural Resources Conservation Service (NRCS) - Sage Grouse Initiative…
FWS | 2015
Patterns of wetland availability and land use practice are examined within keystone migratory bird habitats in the Pacific flyway (southern Oregon and northeastern California). The results provide…
FWS | 2015
Monitoring the waterbird nesting population at Anaho Island National Wildlife Refuge and the Pyramid Lake Paiute Reservation, Nevada, is essential to detect and evaluate changes in waterbird…
FWS | 2015
Under certain circumstances, wildlife populations can be directly counted or inferred from satellite imagery. The first group to publish a population assessment from space-borne data was the…
FWS | 2015
The Mississippi Alluvial Valley (MAV) once encompassed 10 million ha of floodplain forests, much of which has been converted to agriculture. Many conservation efforts in the MAV revolve around…
FWS | 2015
Southwest river and floodplain dynamics have been dramatically altered over the last century by human activities, invasive plants, and climate change. The Bill Williams National Wildlife Refuge…
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…