Juvenile Steelhead to be tagged with a Passive Integrated Transponder tag for life-history research in the Wind River, WA.
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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 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 NevadaUSGS 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.
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 NevadaUSGS 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.
Beam trawling in Lower Granite Reservoir on the Snake River
Beam trawling in Lower Granite Reservoir on the Snake RiverBeam trawling in Lower Granite Reservoir on the Snake River.
Beam trawling in Lower Granite Reservoir on the Snake River
Beam trawling in Lower Granite Reservoir on the Snake RiverBeam trawling in Lower Granite Reservoir on the Snake River.
Capturing juvenile Chinook salmon using a Lampara net
Capturing juvenile Chinook salmon using a Lampara netCapturing juvenile Chinook salmon in Cougar Reservoir, Oregon using a Lampara net.
Capturing juvenile Chinook salmon using a Lampara net
Capturing juvenile Chinook salmon using a Lampara netCapturing juvenile Chinook salmon in Cougar Reservoir, Oregon using a Lampara net.
Juvenile Snake River fall Chinook salmon
Juvenile Snake River fall Chinook salmon.
Sunrise on Pompey Peak, Washington
Sunrise on Pompey Peak, Washington.
Researcher weighing a sturgeon
Researcher weighing sturgeon. Columbia River, bottom trawl for young-of-year (YOY) indexing.
Researcher weighing sturgeon. Columbia River, bottom trawl for young-of-year (YOY) indexing.
Researcher measuring sturgeon length
Researcher measuring sturgeon length. Bottom trawl for young-of-year (YOY) indexing. Columbia River.
Researcher measuring sturgeon length. Bottom trawl for young-of-year (YOY) indexing. Columbia River.
The Dalles Dam Chinook salmon monitoring
Juvenile Chinook salmon monitoring below the The Dalles Dam on the Columbia River.
Juvenile Chinook salmon monitoring below the The Dalles Dam on the Columbia River.
White Sturgeon (Acipenser transmontanus)
Juvenile white sturgeon held by human hand. Columbia River, bottom trawl for yoy indexing.
Juvenile white sturgeon held by human hand. Columbia River, bottom trawl for yoy indexing.
Weighing a white sturgeon
Weighing a juvenile white sturgeon. Columbia River, bottom trawl for yoy indexing.
Weighing a juvenile white sturgeon. Columbia River, bottom trawl for yoy indexing.
Researchers surgically implanting transmitter, white sturgeon
Researchers surgically implanting transmitter, white sturgeonResearchers surgically implanting transmitter, white sturgeon, for passage study. Columbia River near The Dalles Dam.
Researchers surgically implanting transmitter, white sturgeon
Researchers surgically implanting transmitter, white sturgeonResearchers surgically implanting transmitter, white sturgeon, for passage study. Columbia River near The Dalles Dam.
Researchers surgically implanting transmitter, white sturgeon
Researchers surgically implanting transmitter, white sturgeonResearchers surgically implanting transmitter, white sturgeon, for passage study. Columbia River near The Dalles Dam.
Researchers surgically implanting transmitter, white sturgeon
Researchers surgically implanting transmitter, white sturgeonResearchers surgically implanting transmitter, white sturgeon, for passage study. Columbia River near The Dalles Dam.
Researchers surgically implanting transmitter, white sturgeon
Researchers surgically implanting transmitter, white sturgeonResearchers preparing to surgically implant transmitter, white sturgeon, for passage study. Columbia River near The Dalles Dam.
Researchers surgically implanting transmitter, white sturgeon
Researchers surgically implanting transmitter, white sturgeonResearchers preparing to surgically implant transmitter, white sturgeon, for passage study. Columbia River near The Dalles Dam.
Trawling for Delta Smelt aboard the USGS Research Vessel Sentinel
Trawling for Delta Smelt aboard the USGS Research Vessel SentinelTrawling for Delta Smelt using a Kodiak Trawl in the Sacramento River aboard the USGS Research Vessel Sentinel.
Trawling for Delta Smelt aboard the USGS Research Vessel Sentinel
Trawling for Delta Smelt aboard the USGS Research Vessel SentinelTrawling for Delta Smelt using a Kodiak Trawl in the Sacramento River aboard the USGS Research Vessel Sentinel.
Scouting field sites, by raft, on the White Salmon River, WA
Scouting field sites, by raft, on the White Salmon River, WAPat 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.
Scouting field sites, by raft, on the White Salmon River, WA
Scouting field sites, by raft, on the White Salmon River, WAPat 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.
Corbicula sampling in the Bonneville Pool, Columbia River
Corbicula sampling in the Bonneville Pool, Columbia RiverCorbicula sampling in the Bonneville Pool, Columbia River.
Corbicula sampling in the Bonneville Pool, Columbia River
Corbicula sampling in the Bonneville Pool, Columbia RiverCorbicula sampling in the Bonneville Pool, Columbia River.