White River spinedace. Photo taken by Summer Burdick, USGS, Klamath Falls Field Station.
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White River spinedace
White River spinedace. Photo taken by Summer Burdick, USGS, Klamath Falls Field Station.
White River desert sucker
White River desert sucker. Photo taken Wayne E. Kirch Wildlife Management Area, Lund, NV.
White River desert sucker. Photo taken Wayne E. Kirch Wildlife Management Area, Lund, NV.
White River spinedace
White River spinedace. Photo taken Wayne E. Kirch Wildlife Management Area, Lund, NV.
White River spinedace. Photo taken Wayne E. Kirch Wildlife Management Area, Lund, NV.
Fish biologist catches adult suckers as part of a long-term monitoring
Fish biologist catches adult suckers as part of a long-term monitoringFish biologist Carolyn Malecha with the Klamath Falls Field Station catches adult suckers as part of a long-term monitoring program that estimates survival and recruitment of suckers.
Fish biologist catches adult suckers as part of a long-term monitoring
Fish biologist catches adult suckers as part of a long-term monitoringFish biologist Carolyn Malecha with the Klamath Falls Field Station catches adult suckers as part of a long-term monitoring program that estimates survival and recruitment of suckers.
Spawning Lost River suckers
Lost River suckers congregating to spawn on Sucker Springs in Upper Klamath Lake, Oregon.
Lost River suckers congregating to spawn on Sucker Springs in Upper Klamath Lake, Oregon.
Willow Creek detection station PIT tag systems
Passive Integrated Transponder (PIT) tag detection station on Willow Creek, California. Systems like this one are used to detect movements of endangered Lost River and shortnose suckers in remote locations.
Passive Integrated Transponder (PIT) tag detection station on Willow Creek, California. Systems like this one are used to detect movements of endangered Lost River and shortnose suckers in remote locations.
Howard Bay - blooms of cyanobacteria
As blooms of cyanobacteria die on the water surface of Upper Klamath Lake they turn blue-green.
As blooms of cyanobacteria die on the water surface of Upper Klamath Lake they turn blue-green.
In-lake mesocosms in Upper Klamath Lake, OR
USGS studies the behavior and health of juvenile endangered Lost River and shortnose suckers within in-lake mesocosms in Upper Klamath Lake, Oregon.
USGS studies the behavior and health of juvenile endangered Lost River and shortnose suckers within in-lake mesocosms in Upper Klamath Lake, Oregon.
Remote passive integrated transponder (PIT) detection system
Remote passive integrated transponder (PIT) detection systemKlamath Falls Field Station staff maintain remote Passive Integrated Transponder (PIT) detection system on Upper Klamath Lake, Oregon.
Remote passive integrated transponder (PIT) detection system
Remote passive integrated transponder (PIT) detection systemKlamath Falls Field Station staff maintain remote Passive Integrated Transponder (PIT) detection system on Upper Klamath Lake, Oregon.
Sampling water in Klamath Lake
USGS scientist sampling water in Klamath Lake.
USGS scientist sampling water in Klamath Lake.
Processing a Lost River sucker
Researcher processing a Lost River sucker at Sucker Springs on Upper Klamath Lake.
Researcher processing a Lost River sucker at Sucker Springs on Upper Klamath Lake.
Fish biologist with a female Lost River sucker
Fish biologist with a female Lost River sucker from Sucker Springs on Upper Klamath Lake.
Fish biologist with a female Lost River sucker from Sucker Springs on Upper Klamath Lake.
Pahranagat chub (Gila robusta)
Pahranagat Roundtail Chub (Gila robusta jordani) in the Pahranagat River, NV.
Pahranagat Roundtail Chub (Gila robusta jordani) in the Pahranagat River, NV.
Klamath habitat use and evaluation
Staff at the Klamath Falls Field Station evaluate Lost River and shortnose sucker habitat relative to the presence, abundance, and health of the fish. Sucker distribution among habitats is evaluated using occupancy models that account for imperfect detection.
Staff at the Klamath Falls Field Station evaluate Lost River and shortnose sucker habitat relative to the presence, abundance, and health of the fish. Sucker distribution among habitats is evaluated using occupancy models that account for imperfect detection.
Installation of two 20' PIT tag antennas
Installation of two 20' PIT tag antennas. Antennas are used to monitor movements of Lost River and shortnose suckers and Redband trout through the Klamath Basin.
Installation of two 20' PIT tag antennas. Antennas are used to monitor movements of Lost River and shortnose suckers and Redband trout through the Klamath Basin.
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.
Upper Klamath Lake cyanobacteria bloom
The green water, caused by massive blooms of Aphanizomenon flos-aquae, as seen in the wake of a boat, is a common sight each summer on Upper Klamath Lake, Oregon. USGS studies how these blooms effect endangered Lost River and shortnose suckers in the lake.
The green water, caused by massive blooms of Aphanizomenon flos-aquae, as seen in the wake of a boat, is a common sight each summer on Upper Klamath Lake, Oregon. USGS studies how these blooms effect endangered Lost River and shortnose suckers in the lake.
Fish biologist with Shortnose sucker
Fish biologist with Shortnose sucker
Downloading data during a flood on the Williamson River
Downloading data during a flood on the Williamson RiverResearcher from Klamath Falls Field Station downloading data during a flood on the Williamson River Oregon.
Downloading data during a flood on the Williamson River
Downloading data during a flood on the Williamson RiverResearcher from Klamath Falls Field Station downloading data during a flood on the Williamson River Oregon.