Search
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…
FWS | 2017
As part of a larger Great Lakes Restoration Initiative - Remote Sensing project led by the FWS, Jim Klassen with SharedGeo automatically derived 2-m vegetation surface canopy digital elevation models…
BLM | 2012
RS2477 Litigation refers to right-of-way issues on routes that cross public lands and determine whether the Federal, state, county, or local governments have legal jurisdiction. Some of the…
FWS | 2012
The golden-cheeked warbler and black-capped vireo were listed by the U.S. Fish and Wildlife Service (USFS) as endangered in 1990 and 1987, respectively. In 1992 the 10,000 hectare Balcones…
FWS | 2012
In an attempt to assess the viability of using legacy lidar data of varying collection density to characterize avian nesting habitat by species at a landscape scale, the existing lidar data from the…