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USGS | 2015
With funding from the NASA Applied Sciences Program, the USGS partnered with the NOAA National Estuarine Research Reserve System (NERRS) to develop a remote sensing-based forecasting model of tidal…
USGS | 2015
The dynamics of coastal marsh dieback, recovery and loss are documented using a combination of optical and radar remotely sensed data. Landsat Thematic Mapper (TM) and Satellite Pour l'Observation de…
USGS | 2015
Lidar can be problematic for mapping topography of coastlines because it is infeasible to fly large areas during short low-tide intervals and capture intertidal coverage. As an alternative, USGS and…
USGS | 2015
The effective implementation of agricultural conservation practices is critical to the improvement of water quality in the Chesapeake Bay region, where non-point sources of nutrients, sediment, and…
USGS | 2015
Bat fatalities at wind turbines peak during low wind conditions and primarily involve tree-roosting bats. To investigate the reason for this pattern, USGS researchers and colleagues used thermal…
USGS | 2015
Whooping cranes (Grus americana) migrate twice each year through the Great Plains in North America. Recovery activities for this endangered species include providing adequate places to stop and rest…
USGS | 2015
The USGS Fort Collins Science Center (FORT) worked with the U.S. Fish and Wildlife Service (FWS) to revise the California condor global positioning system (GPS) data acquisition, management, and…
USGS | 2015
Grasslands and shrub steppe within the Naval Weapons Systems Training Facility (NWSTF) in Boardman, Oregon, have been identified as important habitat for the imperiled long-billed curlew, North…
USGS | 2015
Condors and vultures are the only terrestrial vertebrates that scavenge for all their food, and these birds move widely to locate unpredictable, patchily distributed food sources. USGS researchers…
USGS | 2015
Various methods of obtaining population data are being evaluated to select the best method for estimating population sizes of ground-nesting waterbirds at the Anaho Island National Wildlife Refuge.…
USGS | 2015
Federal, state, and Tribal natural resources management agencies conduct wildlife population counts either from the ground or via manned, low-altitude aircraft flights; both of these methods have…
USGS | 2015
Imagery collected via a small unmanned aircraft system (sUAS) is being used to assess available breeding habitat of Federal- and State-listed threatened and endangered bird species at Havasu National…