Carl O. Ostberg
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View article: A molecular specimen bank for contemporary and future study captures landscape-scale biodiversity baselines before Klamath River dam removal
A molecular specimen bank for contemporary and future study captures landscape-scale biodiversity baselines before Klamath River dam removal Open
Global restoration and conservation of freshwater biodiversity are represented in practice by works such as the Klamath River Renewal Project (KRRP), the largest dam removal and river restoration in the United States, which has reconnected…
View article: Using environmental DNA to assess the response of steelhead/Rainbow Trout and Coastrange Sculpin populations to postfire debris flows in coastal streams of Big Sur, California
Using environmental DNA to assess the response of steelhead/Rainbow Trout and Coastrange Sculpin populations to postfire debris flows in coastal streams of Big Sur, California Open
Objective Debris flows are among the most extreme disturbances to streams and are predicted to become more frequent under climate change. We assessed the response of steelhead/Rainbow Trout Oncorhynchus mykiss (hereafter, collectively refe…
View article: Risk assessment for bull trout introduction into Sullivan Lake and Harvey Creek, northeastern Washington
Risk assessment for bull trout introduction into Sullivan Lake and Harvey Creek, northeastern Washington Open
First posted May 3, 2022 For additional information, contact: Director, Western Fisheries Research CenterU.S. Geological Survey6505 NE 65th StreetSeattle, Washington 98115-5016 The Kalispel Tribe of Indians (KT), U. S. Fish and Wildlife Se…
View article: Ontogeny of eDNA shedding during early development in Chinook Salmon (<i>Oncorhynchus tshawytscha</i>)
Ontogeny of eDNA shedding during early development in Chinook Salmon (<i>Oncorhynchus tshawytscha</i>) Open
Knowledge of the timing of major life history events in aquatic species is important for informing conservation and resource management planning. Accordingly, surveys of environmental DNA (eDNA) have been performed to determine the efficac…
View article: Survival and growth of suckers in mesocosms at three locations within Upper Klamath Lake, Oregon, 2018
Survival and growth of suckers in mesocosms at three locations within Upper Klamath Lake, Oregon, 2018 Open
First posted May 7, 2021 For additional information, contact: Director, Western Fisheries Research CenterU.S. Geological Survey6505 NE 65th StreetSeattle, Washington 98115-5016 Due to high mortality in the first year or two of life, Lost R…
View article: Growth, survival, and cohort formation of juvenile Lost River (Deltistes luxatus) and shortnose suckers (Chasmistes brevirostris) in Upper Klamath Lake, Oregon, and Clear Lake Reservoir, California—2019 Monitoring Report
Growth, survival, and cohort formation of juvenile Lost River (Deltistes luxatus) and shortnose suckers (Chasmistes brevirostris) in Upper Klamath Lake, Oregon, and Clear Lake Reservoir, California—2019 Monitoring Report Open
First posted December 20, 2021 For additional information, contact: Director, Western Fisheries Research CenterU.S. Geological Survey6505 NE 65th StreetSeattle, Washington 98115-5016 Populations of federally endangered Lost River (Deltiste…
View article: Environmental DNA is an effective tool to track recolonizing migratory fish following large‐scale dam removal
Environmental DNA is an effective tool to track recolonizing migratory fish following large‐scale dam removal Open
Environmental DNA (eDNA) has emerged as a potentially powerful tool for use in conservation and resource management, including for tracking the recolonization dynamics of fish populations. We used eDNA to assess the effectiveness of dam re…
View article: Use of environmental DNA to detect the invasive aquatic plants <i>Myriophyllum spicatum</i> and <i>Egeria densa</i> in lakes
Use of environmental DNA to detect the invasive aquatic plants <i>Myriophyllum spicatum</i> and <i>Egeria densa</i> in lakes Open
Environmental DNA (eDNA) analysis offers a promising tool for rapid and early detection of aquatic plant invasive species, but currently suffers from substantial unknowns that limit its widespread use in monitoring programs. We conducted t…
View article: A round‐robin evaluation of the repeatability and reproducibility of environmental DNA assays for dreissenid mussels
A round‐robin evaluation of the repeatability and reproducibility of environmental DNA assays for dreissenid mussels Open
Resource managers may be hesitant to make decisions based on environmental (e)DNA results alone since eDNA is an indirect method of species detection. One way to reduce the uncertainty of eDNA is to identify laboratory‐based protocols that…
View article: Juvenile Lost River and shortnose sucker year-class formation, survival, and growth in Upper Klamath Lake, Oregon and Clear Lake Reservoir, California—2017 Monitoring Report
Juvenile Lost River and shortnose sucker year-class formation, survival, and growth in Upper Klamath Lake, Oregon and Clear Lake Reservoir, California—2017 Monitoring Report Open
First posted March 24, 2020 For additional information, contact: Director, Western Fisheries Research CenterU.S. Geological Survey6505 NE 65th StreetSeattle, Washington 98115-5016 Populations of federally endangered Lost River (Deltistes l…
View article: Juvenile Lost River and shortnose sucker year-class formation, survival, and growth in Upper Klamath Lake, Oregon, and Clear Lake Reservoir, California—2018 monitoring report
Juvenile Lost River and shortnose sucker year-class formation, survival, and growth in Upper Klamath Lake, Oregon, and Clear Lake Reservoir, California—2018 monitoring report Open
First posted June 11, 2020 For additional information, contact: Director, Western Fisheries Research CenterU.S. Geological Survey6505 NE 65th StreetSeattle, Washington 98115-5016 Populations of federally endangered Lost River (Deltistes lu…
View article: Development of a quantitative PCR assay for detection of redside shiner (Richardsonius balteatus) from environmental DNA
Development of a quantitative PCR assay for detection of redside shiner (Richardsonius balteatus) from environmental DNA Open
Objective A quantitative PCR (qPCR) assay for the detection of redside shiner ( Richardsonius balteatus ) environmental DNA (eDNA) was designed as a side product of a larger project aimed at using eDNA to determine the presence and geograp…
View article: Evaluation of environmental DNA surveys for identifying occupancy and spatial distribution of Pacific Lamprey (<i>Entosphenus tridentatus</i>) and <i>Lampetra</i> spp. in a Washington coast watershed
Evaluation of environmental DNA surveys for identifying occupancy and spatial distribution of Pacific Lamprey (<i>Entosphenus tridentatus</i>) and <i>Lampetra</i> spp. in a Washington coast watershed Open
Surveys of environmental DNA (eDNA) have become an important and multifaceted tool for monitoring and identifying distributions and occupancy of aquatic species. This tool is attractive because it is powerful, easy to apply, and provides a…
View article: Distribution and seasonal differences in Pacific Lamprey and<i>Lampetra</i>spp eDNA across 18 Puget Sound watersheds
Distribution and seasonal differences in Pacific Lamprey and<i>Lampetra</i>spp eDNA across 18 Puget Sound watersheds Open
Lampreys have a worldwide distribution, are functionally important to ecological communities and serve significant roles in many cultures. In Pacific coast drainages of North America, lamprey populations have suffered large declines. Howev…
View article: Juvenile Lost River and shortnose sucker year class strength, survival, and growth in Upper Klamath Lake, Oregon, and Clear Lake Reservoir, California—2016 Monitoring Report
Juvenile Lost River and shortnose sucker year class strength, survival, and growth in Upper Klamath Lake, Oregon, and Clear Lake Reservoir, California—2016 Monitoring Report Open
First posted April 20, 2018 For additional information, contact: Director, Western Fisheries Research Center U.S. Geological Survey 6505 NE 65th Street Seattle, Washington 98115 The largest populations of federally endangered Lost River (D…
View article: Risk assessment for the reintroduction of anadromous salmonids upstream of Chief Joseph and Grand Coulee Dams, Northeastern Washington
Risk assessment for the reintroduction of anadromous salmonids upstream of Chief Joseph and Grand Coulee Dams, Northeastern Washington Open
First posted September 12, 2017 For additional information, contact: Director, Western Fisheries Research Center U.S. Geological Survey 6505 NE 65th Street Seattle, Washington 98115 The Upper Columbia United Tribes (UCUT; Spokane, Colville…
View article: Juvenile sucker cohort tracking data summary and assessment of monitoring program, 2015
Juvenile sucker cohort tracking data summary and assessment of monitoring program, 2015 Open
First posted September 22, 2016 For additional information, contact: Director, Western Fisheries Research Center U.S. Geological Survey 6505 NE 65th Street Seattle, Washington 98115 http://wfrc.usgs.gov/ Populations of federally endangered…
View article: Predation on larval suckers in the Williamson River Delta revealed by molecular genetic assays—A pilot study
Predation on larval suckers in the Williamson River Delta revealed by molecular genetic assays—A pilot study Open
First posted June 13, 2016 For additional information, contact: Director, Western Fisheries Research Center U.S. Geological Survey 6505 NE 65th Street Seattle, Washington 98115 http://wfrc.usgs.gov/ Predation of endangered Lost River sucke…