Determining aboveground biomass of sagebrush, grasses, and forbs is important for estimating fuel loads, measuring carbon storage, and assessing habitat quality in shrublands. Remote sensing may offer a more efficient alternative to common, labor intensive methods of measuring aboveground biomass that are difficult to apply across large areas.
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Determining aboveground biomass of sagebrush, grasses, and forbs is important for estimating fuel loads, measuring carbon storage, and assessing habitat quality in shrublands. Remote sensing may offer a more efficient alternative to common, labor intensive methods of measuring aboveground biomass that are difficult to apply across large areas.
Sagebrush around Granby and Willow Creek Reservoirs.
Sagebrush around Granby and Willow Creek Reservoirs.
This organism forms a colony that is the size of a pin head and can be seen floating in the water. Using ultra violet light, the filaments glow red from chlorophyll, while other pigments give various hues of purple, which may be a hint about the health of the cells.
This organism forms a colony that is the size of a pin head and can be seen floating in the water. Using ultra violet light, the filaments glow red from chlorophyll, while other pigments give various hues of purple, which may be a hint about the health of the cells.
This organism forms a colony that is the size of a pin head and can be seen floating in the water. The filaments glow red from chlorophyll, the yellow-green mass in the center is the mucilage that binds the filaments into the colony and green spots are associated bacteria, illuminated with the DNA stain Sytox Green ®.
This organism forms a colony that is the size of a pin head and can be seen floating in the water. The filaments glow red from chlorophyll, the yellow-green mass in the center is the mucilage that binds the filaments into the colony and green spots are associated bacteria, illuminated with the DNA stain Sytox Green ®.
This organism forms a colony that is the size of a pin head and can be seen floating in the water. Using ultra violet light, the filaments glow red from chlorophyll, while other pigments give various hues of purple, which may be a hint about the health of the cells.
This organism forms a colony that is the size of a pin head and can be seen floating in the water. Using ultra violet light, the filaments glow red from chlorophyll, while other pigments give various hues of purple, which may be a hint about the health of the cells.
A mother caribou and her offspring, east of Chicken, Alaska (on the Yukon-Alaska border).
A mother caribou and her offspring, east of Chicken, Alaska (on the Yukon-Alaska border).
Juvenile wolf eel - Scuba divers from the U.S. Geological Survey’s Western Fisheries Research Center, Washington Sea Grant, EPA and the Lower Elwha Klallam Tribe collected data and images from a long-term study of the Elwha River dam removals and the resulting effects on the nearshore ecosystem.
Juvenile wolf eel - Scuba divers from the U.S. Geological Survey’s Western Fisheries Research Center, Washington Sea Grant, EPA and the Lower Elwha Klallam Tribe collected data and images from a long-term study of the Elwha River dam removals and the resulting effects on the nearshore ecosystem.
Moon snails - Scuba divers from the U.S. Geological Survey’s Western Fisheries Research Center, Washington Sea Grant, EPA and the Lower Elwha Klallam Tribe collected data and images from a long-term study of the Elwha River dam removals and the resulting effects on the nearshore ecosystem.
Moon snails - Scuba divers from the U.S. Geological Survey’s Western Fisheries Research Center, Washington Sea Grant, EPA and the Lower Elwha Klallam Tribe collected data and images from a long-term study of the Elwha River dam removals and the resulting effects on the nearshore ecosystem.
A southeastern myotis (Myotis austroriparius) that was caught while mist netting at Cypress Creek National Wildlife Refuge in the summer of 2015.
A southeastern myotis (Myotis austroriparius) that was caught while mist netting at Cypress Creek National Wildlife Refuge in the summer of 2015.
Adult Iiwi being banded at Hakalau Forest National Wildlife Refuge, Hawaii
Adult Iiwi being banded at Hakalau Forest National Wildlife Refuge, Hawaii
Adult Iiwi being removed from a mist net which was used to capture the bird for banding
Adult Iiwi being removed from a mist net which was used to capture the bird for banding
The Asian swamp eel is an invasive species that was introduced into the Chattahoochee River National Recreation Area and has persisted for more than 20 years.
The Asian swamp eel is an invasive species that was introduced into the Chattahoochee River National Recreation Area and has persisted for more than 20 years.
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.
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.
Alligators are territorial — an individual’s movements may be influenced by other alligators in close proximity.
Alligators are territorial — an individual’s movements may be influenced by other alligators in close proximity.
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)
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.
A subalpine meadow on Niwot Ridge, Colorado, displaying a rich diversity of plants.
A subalpine meadow on Niwot Ridge, Colorado, displaying a rich diversity of plants.
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.
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.
Mark Henderson recently started as the Unit Leader for the USGS Vermont Cooperative Fish and Wildlife Research Unit at the University of Vermont. Prior to joining the Vermont Cooperative Research Unit, he was the acting unit leader at the California Cooperative Research Unit for six years.
Mark Henderson recently started as the Unit Leader for the USGS Vermont Cooperative Fish and Wildlife Research Unit at the University of Vermont. Prior to joining the Vermont Cooperative Research Unit, he was the acting unit leader at the California Cooperative Research Unit for six years.