Alligators are territorial — an individual’s movements may be influenced by other alligators in close proximity.
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Alligator Telemetry
Alligators are territorial — an individual’s movements may be influenced by other alligators in close proximity.
Alligator Telemetry
Alligator transmitter installation and recovery. Pictured: Abby Lawson, Thomas Rainwater, John Lane (Wofford College), and Erin Weeks (South Carolina Department of Natural Resources)
Alligator transmitter installation and recovery. Pictured: Abby Lawson, Thomas Rainwater, John Lane (Wofford College), and Erin Weeks (South Carolina Department of Natural Resources)
Alligator Telemetry
Researchers have deployed 24 external GPS transmitters to male alligators in South Carolina.
Researchers have deployed 24 external GPS transmitters to male alligators in South Carolina.
Alligator Telemetry
Transmitters are programmed to acquire an alligator location once every three hours from April to the end of September each year.
Transmitters are programmed to acquire an alligator location once every three hours from April to the end of September each year.
Alligator Telemetry
This alligator movement ecology study evaluates home range, daily movement rate, and habitat use patterns of adult male alligators.
This alligator movement ecology study evaluates home range, daily movement rate, and habitat use patterns of adult male alligators.
Plants Vulnerability to Nitrogen Depends on Where They Grow
Plants Vulnerability to Nitrogen Depends on Where They GrowA subalpine meadow on Niwot Ridge, Colorado, displaying a rich diversity of plants.
Plants Vulnerability to Nitrogen Depends on Where They Grow
Plants Vulnerability to Nitrogen Depends on Where They GrowA subalpine meadow on Niwot Ridge, Colorado, displaying a rich diversity of plants.
San Angelo Streamgage
New streamgage on the South Concho river above Twin Buttes Reservoir, in San Angelo, Texas. This new gage will provide resource managers with critical streamflow information.
New streamgage on the South Concho river above Twin Buttes Reservoir, in San Angelo, Texas. This new gage will provide resource managers with critical streamflow information.
Scientists Sampling Groundwater from a Public Supply Well in Texas
Scientists Sampling Groundwater from a Public Supply Well in TexasUSGS scientists collecting water quality samples at a public-supply well in Texas, overlying the Eagle Ford shale production area.
Scientists Sampling Groundwater from a Public Supply Well in Texas
Scientists Sampling Groundwater from a Public Supply Well in TexasUSGS scientists collecting water quality samples at a public-supply well in Texas, overlying the Eagle Ford shale production area.
Installing Tide Gauges
Installing tide gauges in rivers of the Yukon-Kuskokwim Delta is dirty work.
Location: Tutakoke River, Yukon-Kuskokwim Delta, AK
Installing tide gauges in rivers of the Yukon-Kuskokwim Delta is dirty work.
Location: Tutakoke River, Yukon-Kuskokwim Delta, AK
Microcystis aeruginosa Microscopic View
Microcystis is one of the most common bloom-forming cyanobacteria, AKA, blue-green algae. Many strains of this species produce a family of potent liver toxins, the microcystins.
Microcystis is one of the most common bloom-forming cyanobacteria, AKA, blue-green algae. Many strains of this species produce a family of potent liver toxins, the microcystins.
Iiwi on Mamane
The Hawaiian ‘I‘iwi, a native forest bird species only found in the Hawaiian Islands.
The Hawaiian ‘I‘iwi, a native forest bird species only found in the Hawaiian Islands.
Columbia River Overlook
The Columbia River winds its way through Washington State before becoming the border with Oregon. This location is an overlook along I-90.
The Columbia River winds its way through Washington State before becoming the border with Oregon. This location is an overlook along I-90.
Columbia River Overlook
The Columbia River winds its way through Washington State before becoming the border with Oregon. This location is an overlook along I-90.
The Columbia River winds its way through Washington State before becoming the border with Oregon. This location is an overlook along I-90.
Columbia River Overlook
The Columbia River winds its way through Washington State before becoming the border with Oregon. This location is an overlook along I-90. The town of Vantage can be seen on the righthand side where I-90 crosses the Columbia.
The Columbia River winds its way through Washington State before becoming the border with Oregon. This location is an overlook along I-90. The town of Vantage can be seen on the righthand side where I-90 crosses the Columbia.
Sagebrush along the Columbia River
The Columbia River winds its way through Washington State before becoming the border with Oregon. Along its banks can be found sagebrush.
The Columbia River winds its way through Washington State before becoming the border with Oregon. Along its banks can be found sagebrush.
Blockade Glacier
USGS geologist Richard Lease collects samples of granitic bedrock high above Blockade glacier, Neacola Mountains, Alaska.
USGS geologist Richard Lease collects samples of granitic bedrock high above Blockade glacier, Neacola Mountains, Alaska.
Columbia River Overlook
The Columbia River winds its way through Washington State before becoming the border with Oregon. This location is an overlook along I-90.
The Columbia River winds its way through Washington State before becoming the border with Oregon. This location is an overlook along I-90.
Sagebrush along the Columbia River
The Columbia River winds its way through Washington State before becoming the border with Oregon. Along its banks can be found sagebrush.
The Columbia River winds its way through Washington State before becoming the border with Oregon. Along its banks can be found sagebrush.
Sioux Falls Waterfall
The Big Sioux River, as it passes through the city of Sioux Falls, has a beautiful waterfall for which the town is named.
The Big Sioux River, as it passes through the city of Sioux Falls, has a beautiful waterfall for which the town is named.
Sioux Falls Waterfall
The Big Sioux River, as it passes through the city of Sioux Falls, has a beautiful waterfall for which the town is named.
The Big Sioux River, as it passes through the city of Sioux Falls, has a beautiful waterfall for which the town is named.
Sioux Falls Waterfall
The Big Sioux River, as it passes through the city of Sioux Falls, has a beautiful waterfall for which the town is named.
The Big Sioux River, as it passes through the city of Sioux Falls, has a beautiful waterfall for which the town is named.