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Images

Below is a list of available CRRL images.

Filter Total Items: 61
Juvenile Chinook salmon
Juvenile Chinook salmon in Cougar Reservoir
Juvenile Chinook salmon in Cougar Reservoir
Juvenile Chinook salmon in Cougar Reservoir

Underwater image of Juvenile Chinook salmon in Cougar Reservoir in the Willamette Basin.

Antennas deployed in the Wind River to monitor movements of fish.
Antennas deployed in the Wind River to monitor movements of fish.
Antennas deployed in the Wind River to monitor movements of fish.
Antennas deployed in the Wind River to monitor movements of fish.

Antennas deployed in the Wind River to monitor movements of fish that have been tagged with Passive Integrated Transponder (PIT) tags.  The need to track fish movements in large streams over extensive areas has extended this current technology to new levels.

Antennas deployed in the Wind River to monitor movements of fish that have been tagged with Passive Integrated Transponder (PIT) tags.  The need to track fish movements in large streams over extensive areas has extended this current technology to new levels.

Juvenile Steelhead to be tagged with a PIT tag
Juvenile Steelhead to be tagged with a PIT Tag
Juvenile Steelhead to be tagged with a PIT Tag
Juvenile Steelhead to be tagged with a PIT Tag

Juvenile Steelhead to be tagged with a Passive Integrated Transponder tag for life-history research in the Wind River, WA.

Trap net set to capture White River Spinedace
Trap net set to capture White River Spinedace in the south fork of Flag Spring in Wayne E. Kirch Wildlife Management Area in southeast Nevada
Trap net set to capture White River Spinedace in the south fork of Flag Spring in Wayne E. Kirch Wildlife Management Area in southeast Nevada
Trap net set to capture White River Spinedace in the south fork of Flag Spring in Wayne E. Kirch Wildlife Management Area in southeast Nevada

USGS is working with the Nevada Department of Wildlife and the U.S. Fish and Wildlife Service to capture White River Spinedace with trap nets in the Flag Springs complex as part of a mark-recapture study. The goals of this study are to estimate seasonal survival and examine seasonal movements indicative of spawning activity for this rare species.

Weighing sturgeon
Researcher weighing a sturgeon
Researcher weighing a sturgeon
Researcher weighing a sturgeon

Researcher weighing sturgeon.  Columbia River, bottom trawl for young-of-year (YOY) indexing.

Measuring sturgeon length
Researcher measuring sturgeon length
Researcher measuring sturgeon length
Researcher measuring sturgeon length

Researcher measuring sturgeon length. Bottom trawl for young-of-year (YOY) indexing. Columbia River.

Image: Weighing a white sturgeon
Weighing a white sturgeon
Weighing a white sturgeon
Weighing a white sturgeon

Weighing a juvenile white sturgeon. Columbia River, bottom trawl for yoy indexing.

Implanting transmitter, white sturgeon
Researchers surgically implanting transmitter, white sturgeon
Researchers surgically implanting transmitter, white sturgeon
Researchers surgically implanting transmitter, white sturgeon

Researchers preparing to surgically implant transmitter, white sturgeon, for passage study. Columbia River near The Dalles Dam.

Implanting transmitter, white sturgeon
Researchers surgically implanting transmitter, white sturgeon
Researchers surgically implanting transmitter, white sturgeon
Researchers surgically implanting transmitter, white sturgeon

Researchers surgically implanting transmitter, white sturgeon, for passage study. Columbia River near The Dalles Dam.

Implanting transmitter, white sturgeon
Researchers surgically implanting transmitter, white sturgeon
Researchers surgically implanting transmitter, white sturgeon
Researchers surgically implanting transmitter, white sturgeon

Researchers surgically implanting transmitter, white sturgeon, for passage study. Columbia River near The Dalles Dam.

Scouting field sites, by raft, on the White Salmon River, WA
Scouting field sites, by raft, on the White Salmon River, WA
Scouting field sites, by raft, on the White Salmon River, WA
Scouting field sites, by raft, on the White Salmon River, WA

Pat Connolly (USGS-CRRL), Greg Morris (Yakama Nation), and Jeff Spencer (Yakama Nation) on a scouting and field planning trip on the White Salmon River, WA. Personnel were planning for studies of resident rainbow trout in the White Salmon River prior to removal of Condit Dam, which was breached in 2011.

Pat Connolly (USGS-CRRL), Greg Morris (Yakama Nation), and Jeff Spencer (Yakama Nation) on a scouting and field planning trip on the White Salmon River, WA. Personnel were planning for studies of resident rainbow trout in the White Salmon River prior to removal of Condit Dam, which was breached in 2011.

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