Lennah Shakeri, a USGS biological science technician, collects the contents of an invertebrate fallout trap at the Nisqually River Delta, WA.
Images
Images intro.
Filter Total Items: 443
WERC Technician with Invertebrate Fallout Trap, Nisqually River Delta
Lennah Shakeri, a USGS biological science technician, collects the contents of an invertebrate fallout trap at the Nisqually River Delta, WA.
Red-tailed Tropicbird chick
Red-Tailed tropicbird (Phaethon rubricauda) chick.
Red-Tailed tropicbird (Phaethon rubricauda) chick.
Dead trees during drought in Sequoia National Park
Dead trees viewed from the Colony Mill Trail in Sequoia National Park, photographed in 2015 during severe drought in California.
Dead trees viewed from the Colony Mill Trail in Sequoia National Park, photographed in 2015 during severe drought in California.
Bats emerging at dusk
During the fall bats can be seen emerging from under the causeway at Yolo Bypass Wildlife Area near Sacramento, CA. Photo by Erika Sanchez-Chopitea, Western Geographic Science Center, USGS.
During the fall bats can be seen emerging from under the causeway at Yolo Bypass Wildlife Area near Sacramento, CA. Photo by Erika Sanchez-Chopitea, Western Geographic Science Center, USGS.
Drought-related tree mortality in Sequoia National Park
Drought-related tree mortality at a low elevation forest in Sequoia National Park.
Drought-related tree mortality at a low elevation forest in Sequoia National Park.
Hen Pintail with GPS Transmitter
Photo of a hen pintail equipped with a camouflage GPS transmitter. USGS Western Ecological Research Center scientists based out of Dixon, CA are marking and tagging waterfowl in Suisun Marsh with GPS transmitters as part of an ongoing study.
Photo of a hen pintail equipped with a camouflage GPS transmitter. USGS Western Ecological Research Center scientists based out of Dixon, CA are marking and tagging waterfowl in Suisun Marsh with GPS transmitters as part of an ongoing study.
Fog drip on Bishop Pine
Fog drip on a Bishop Pine, Radar Peak, Santa Rosa Island, CA
Fog drip on a Bishop Pine, Radar Peak, Santa Rosa Island, CA
USGS WERC Scientist Holding Mallard Chick
Photo of a USGS employee holding a mallard chick. USGS Western Ecological Research Center scientists based out of Dixon, CA are marking and tagging adult waterfowl with GPS transmitters as part of an ongoing study.
Photo of a USGS employee holding a mallard chick. USGS Western Ecological Research Center scientists based out of Dixon, CA are marking and tagging adult waterfowl with GPS transmitters as part of an ongoing study.
Endangered Mountain Yellow-Legged Frog (Rana muscosa)
An endangered mountain yellow-legged frog (Rana muscosa).
An endangered mountain yellow-legged frog (Rana muscosa).
Pink-footed shearwater in its breeding colony in Chile
Pink-footed shearwater in its breeding colony in Chile. USGS scientists have been tracking pink-footed shearwaters with satellite transmitters since 2006, revealing the migration patterns shown in the graphic below.
Pink-footed shearwater in its breeding colony in Chile. USGS scientists have been tracking pink-footed shearwaters with satellite transmitters since 2006, revealing the migration patterns shown in the graphic below.
Pink-footed shearwater at its breeding colony in Chile
Pink-footed shearwater in its breeding colony in Chile. USGS scientists have been tracking pink-footed shearwaters with satellite transmitters since 2006, revealing the migration patterns shown in the graphic below.
Pink-footed shearwater in its breeding colony in Chile. USGS scientists have been tracking pink-footed shearwaters with satellite transmitters since 2006, revealing the migration patterns shown in the graphic below.
Wild Macaw Eating Fruits by the Beach
Scarlet Macaws (Ara macao) eat hundreds of fruits a day.
Scarlet Macaws (Ara macao) eat hundreds of fruits a day.
WERC Scientist Sampling Rice Field, Yolo Bypass
Photo of a scientist with the USGS Western Ecological Research Center sampling a rice field in the Yolo Bypass, CA.
Photo of a scientist with the USGS Western Ecological Research Center sampling a rice field in the Yolo Bypass, CA.
Vibrantly colored sea stars
Tidepool scenes of vibrantly colored sea stars could become a rarity as the Sea Star Wasting Disease spreads.
Tidepool scenes of vibrantly colored sea stars could become a rarity as the Sea Star Wasting Disease spreads.
Contact with intact forest ecosystems can lead to chiclero's ulcer
Contact with intact forest ecosystems can lead to cutaneous leishmaniasis, also known as "chiclero's ulcer" (inset). Inset image Copyright 1997, 2004 by Current Medicine LLC. All rights reserved. Image reproduced here with kind permission from Springer Science+Business Media B.V.
Contact with intact forest ecosystems can lead to cutaneous leishmaniasis, also known as "chiclero's ulcer" (inset). Inset image Copyright 1997, 2004 by Current Medicine LLC. All rights reserved. Image reproduced here with kind permission from Springer Science+Business Media B.V.
Gary Fellers and Charles Drost in the field
Herpetologists Gary Fellers and Charles Drost in the field.
Herpetologists Gary Fellers and Charles Drost in the field.
A simplified diagram of the Sea Star Wasting Disease experiment
A simplified diagram of the Sea Star Wasting Disease experiment devised at Cornell University, used to prove that a virus-sized, biologically active entity was triggering wasting symptoms in sea stars.
A simplified diagram of the Sea Star Wasting Disease experiment devised at Cornell University, used to prove that a virus-sized, biologically active entity was triggering wasting symptoms in sea stars.
Wild tree swallows on artificial nest box at Cosumnes River Preserve
Wild tree swallows perched on an artificial nest box at Cosumnes River Preserve, in California’s Central Valley.
Wild tree swallows perched on an artificial nest box at Cosumnes River Preserve, in California’s Central Valley.
Supercomputers Map Out Super Endangered Species In 3-D
Figure 5. MKDEs may help better identify threats to species.
Figure 5. MKDEs may help better identify threats to species.
Supercomputers Map Out Super Endangered Species — In 3-D
Jeff Tracey of USGS (left) and James Sheppard of San Diego Zoo Institute for Conservation Research visit the San Diego Supercomputer Center, which provides advanced user support and expertise for the Extreme Science and Engineering Discovery Environment (XSEDE) program supported by the National Science Foundation. (Image credit: Bob Sinkovits/SDSC)
Jeff Tracey of USGS (left) and James Sheppard of San Diego Zoo Institute for Conservation Research visit the San Diego Supercomputer Center, which provides advanced user support and expertise for the Extreme Science and Engineering Discovery Environment (XSEDE) program supported by the National Science Foundation. (Image credit: Bob Sinkovits/SDSC)
Supercomputers Map Out Super Endangered Species — In 3-D
Figure 7. Examples of a 3D movement-based kernel density estimator (MKDE) for a dugong in a marine environment.
Figure 7. Examples of a 3D movement-based kernel density estimator (MKDE) for a dugong in a marine environment.