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BLM | 2013
Wyoming’s high desert riparian areas cover less than 1% of the landscape but account for up to 20% of forage. Livestock spend disproportionate time in these areas, inflicting disproportionate…
BLM | 2013
A remote sensing project in cooperation with Northern Arizona University and the BLM detects newly created networks from illegal human activities: vehicular routes, human trails, and accumulations of…
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/…
NPS | 2013
One of the key early steps in preparing for sea-level rise and storm surge is ensuring that the geodetic “backbone,” the National Geodetic Survey (NGS) benchmarks, have long-term viability and…
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…
FWS | 2013
The golden-cheeked warbler and black-capped vireo were listed by the USFWS as endangered in 1990 and 1987, respectively. In 1992 the 10,000-ha Balcones Canyonlands National Wildlife Refuge (BCNWR)…