Northern Pintail Duck swimming in a lake
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Northern Pintail Duck
Gas Hydrate Drill Rig at the Mt. Elbert Test Site in Alaska
A drill rig at the Mount Elbert test site in Alaska's North Slope, just west of Prudhoe Bay. USGS joined BP Exploration (Alaska) and the U.S. Department of Energy to drill a test well to study natural gas production from gas hydrate deposits. Read more about the Mt.
A drill rig at the Mount Elbert test site in Alaska's North Slope, just west of Prudhoe Bay. USGS joined BP Exploration (Alaska) and the U.S. Department of Energy to drill a test well to study natural gas production from gas hydrate deposits. Read more about the Mt.
Rock Sandpipers huddle together on the icy mudflats near Kasilof, AK
Rock Sandpipers huddle together on the icy mudflats near Kasilof, AK.
Rock Sandpipers huddle together on the icy mudflats near Kasilof, AK.
Rock Sandpiper flock on the mudlfats near Kasilof, AK in the winter
Rock Sandpiper flock on the mudlfats near Kasilof, AK in the winter.
Rock Sandpiper flock on the mudlfats near Kasilof, AK in the winter.
Rock Sandpipers huddle together on the ice near Kasilof, Alaska
Rock Sandpipers huddle together on the ice near Kasilof, Alaska.
Rock Sandpipers huddle together on the ice near Kasilof, Alaska.
Caribou of the Porcupine Herd
Three caribou standing in the tundra. These caribou are part of the Porcupine caribou herd.
Three caribou standing in the tundra. These caribou are part of the Porcupine caribou herd.
Eroding bluffs along Alaska’s Arctic coast
Eroding bluffs along Alaska’s Arctic coast. Note light permafrost in bluff face, below top few feet of soil and vegetation.
Eroding bluffs along Alaska’s Arctic coast. Note light permafrost in bluff face, below top few feet of soil and vegetation.
Whaling boat in Lonely, Alaska
This nearly century-old whaling boat rests along the Beaufort Sea coast near Lonely, Alaska in July, 2007. The boat was washed away to sea just a few months later.
This nearly century-old whaling boat rests along the Beaufort Sea coast near Lonely, Alaska in July, 2007. The boat was washed away to sea just a few months later.
Alaskan Pipeline
Trans-Alaska Pipeline, northern Brooks Range, Alaska. Rocks in the background produce oil on the North Slope.
Trans-Alaska Pipeline, northern Brooks Range, Alaska. Rocks in the background produce oil on the North Slope.
The morning fog on Pilgrim River, Alaska
A morning fog on the Pilgrim River. The camp is from the thermal ecology of sockeye salmon project.
A morning fog on the Pilgrim River. The camp is from the thermal ecology of sockeye salmon project.
Aerial view of the Pilgrim River
Aerial view of the Pilgrim River looking towards the mountains.
Aerial view of the Pilgrim River looking towards the mountains.
Aerial view of the Pilgrim River
Aerial view of the Pilgrim River
Aerial view of the Pilgrim River field camp
Aerial view of the Pilgrim River field camp
Aerial view of the Pilgrim River field camp
Checking a fyke net near the shore of the Pilgrim River
Biologists are checking a fyke net in the Pilgrim River for juvenile sockeye salmon to tag with archival tags. Unfortunately none were large enough for tagging.
Biologists are checking a fyke net in the Pilgrim River for juvenile sockeye salmon to tag with archival tags. Unfortunately none were large enough for tagging.
Bar-tailed Godwit with a satellite transmitter and tag Z0
Bar-tailed godwit "Z0" instrumented with an implanted Argos satellite transmitter (note dorsally exposed antenna) to facilitate aerodynamics during the species non-stop flights across the Pacific Ocean.
Bar-tailed godwit "Z0" instrumented with an implanted Argos satellite transmitter (note dorsally exposed antenna) to facilitate aerodynamics during the species non-stop flights across the Pacific Ocean.
Bar-tailed Godwit tagged Z0 near Naknek, Alaska
Bar-tailed Godwit tagged Z0 near Naknek, Alaska
Bar-tailed Godwit tagged Z0 near Naknek, Alaska
Checking a fyke net in the Nome River
Biologists checking a fyke net as part of a fish project for the Norton Sound Economic Development Corporation. Otoliths were extracted and read for ages from the fish captured in this fyke net.
Biologists checking a fyke net as part of a fish project for the Norton Sound Economic Development Corporation. Otoliths were extracted and read for ages from the fish captured in this fyke net.
Juvenile salmon trapping on the Nome River, Alaska
Biologists checking a fyke net as part of a fish project for the Norton Sound Economic Development Corporation. Otoliths were extracted and read for ages from the fish captured in this fyke net.
Biologists checking a fyke net as part of a fish project for the Norton Sound Economic Development Corporation. Otoliths were extracted and read for ages from the fish captured in this fyke net.
An inclined plane trap used to catch salmon smolt
An inclined plane trap on the Kwethluk River. Biologists are capturing chum salmon juvenile smolt.
An inclined plane trap on the Kwethluk River. Biologists are capturing chum salmon juvenile smolt.
Marbled Godwit on a nest near Ugashik, Alaska
Marbled Godwit on a nest near Ugashik, Alaska.
Marbled Godwit on a nest near Ugashik, Alaska.
A Matanuska River side channel
A side channel of the Matanuska River. Results from this study were published in Curran, J.H., McTeague, M.L., Burril, S.E., and Zimmerman, C.E., 2011, Distribution, persistence, and hydrologic characteristics of salmon spawning habitats in clearwater side channels of the Matanuska River, southcentral Alaska: U.S.
A side channel of the Matanuska River. Results from this study were published in Curran, J.H., McTeague, M.L., Burril, S.E., and Zimmerman, C.E., 2011, Distribution, persistence, and hydrologic characteristics of salmon spawning habitats in clearwater side channels of the Matanuska River, southcentral Alaska: U.S.