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BLM | 2011
Lidar and aerial photography are valuable tools for preliminary investigations by cadastral surveyors. Boundary disputes are often decided using survey information. Remote sensing data…
USGS | 2011
Wildfires are the primary disturbance in the Alaskan boreal forest. Burned area and fire severity are increasing in response to increased temperatures in the region. Fires consume aboveground biomass…
BLM | 2011
The Pacific Northwest Hydrography Framework is sponsoring a working group tasked to evaluate the use of lidar-derived DEMs as a principal data source for updating the National Hydrology Database (NHD…
BLM | 2011
The Oregon BLM State Office developed a semi-automated technique to map juniper distribution for specific project areas. The technique uses 0.5 meter color infra-red NAIP imagery to identify…
BLM | 2011
The famous Laetoli footprints were made by a human ancestor 3.56 million years ago in the Rift Valley of Tanzania and are the earliest fossil evidence of bipedalism in our ancestors. The trail…
BLM | 2011
The revised Statue 2477 (RS2477) was enacted by Congress in 1866 to facilitate western settlement. It granted “the right-of-way for the construction of highways across public lands not…
BLM | 2011
BLM has issued a National sage grouse policy to ensure environmentally responsible exploration, authorization, leasing and development of energy resources within the range of the Gunnison sage-grouse…
USGS | 2011
A primary objective of the Changing Arctic Ecosystems Initiative of the USGS Alaska Science Center is to measure and forecast the effect of changing terrestrial ecosystem processes on wildlife…
USGS | 2011
The Arctic Coastal Plain (ACP) in northern Alaska provides denning habitat for polar bears and has several oil and gas fields currently in development or extraction phases (the National Petroleum…
USGS | 2011
Marine Protection Areas have been established in Dry Tortugas National Park and Buck Island Reef National Monument (BIRNM) to protect natural and fisheries resources and associated coral reef…
USGS | 2011
Florida manatees range along the Gulf of Mexico coast from Florida to Texas, little is known about manatee use areas and habits west of the Suwannee River. Understanding manatee distribution…
USGS | 2011
The Burmese Python is an exotic species that has invaded thousands of square kilometers of southern Florida, including virtually all of Everglades National Park. They are believed to be severely…