Search Results - "Clemens, Benjamin J."

Marine biology of the pacific lamprey Entosphenus tridentatus by Clemens, Benjamin J., Weitkamp, Laurie, Siwicke, Kevin, Wade, Joy, Harris, Julianne, Hess, Jon, Porter, Laurie, Parker, Keith, Sutton, Trent, Orlov, Alexei M.

“…Pacific lamprey Entosphenus tridentatus has an anadromous life cycle that begins with larvae that filter-feed in freshwater, followed by transformation into…”
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An assessment of terminology for intraspecific diversity in fishes, with a focus on “ecotypes” and “life histories” by Clemens, Benjamin J., Schreck, Carl B.

“…Understanding and preserving intraspecific diversity (ISD) is important for species conservation. However, ISD units do not have taxonomic standards and are…”
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More flow in a regulated river correlates with more and earlier adult lamprey passage, but peak passage occurs at annual low flows by Clemens, Benjamin J., Romer, Jeremy D., Ziller, Jeffrey S., Jones, Michelle

“…Artificial obstructions such as dams are a key limiting factor or threat to adult Pacific lamprey (Entosphenus tridentatus) attempting to access upstream…”
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Dispelling misperceptions of native lampreys (Entosphenus and Lampetra spp.) in the Pacific northwest (USA) by Clemens, Benjamin J., Wang, Christina J.

“…Native lampreys continue to be misunderstood by some citizens in the Pacific Northwest (PNW; USA). This misunderstanding is caused by persistent misperceptions…”
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Landlocked Pacific Lamprey Entosphenus tridentatus in the Middle Fork Willamette River, Oregon by Larson, Douglas C., Helstab, Matt, Docker, Margaret F., Bangs, Brian, Clemens, Benjamin J.

“…Pacific Lamprey Entosphenus tridentatus is an anadromous fish native to the west coast of North America and the Pacific coast of Asia. In the 1950s,…”
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Temporal genetic population structure and interannual variation in migration behavior of Pacific Lamprey Entosphenus tridentatus by Clemens, Benjamin J., Wyss, Lance, McCoun, Rebecca, Courter, Ian, Schwabe, Lawrence, Peery, Christopher, Schreck, Carl B., Spice, Erin K., Docker, Margaret F.

“…Studies using neutral loci suggest that Pacific lamprey, Entosphenus tridentatus , lack strong spatial genetic population structure. However, it is unknown…”
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Similarities, Differences, and Unknowns in Biology and Management of Three Parasitic Lampreys of North America by Clemens, Benjamin J., Binder, Thomas R., Docker, Margaret F., Moser, Mary L., Sower, Stacia A.

“…Sea lampreys, Petromyzon marinus, are invasive to the Laurentian Great Lakes where they have decimated native fishes. Great Lakes sea lampreys have been…”
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David L. G. Noakes as polymath and educator by Clemens, Benjamin J.

“…This is a tribute to my mentor, colleague, and friend, Dr. David L. G. Noakes (1942–2020). David Noakes exhibited many attributes that made him successful in…”
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A Call for Standard Terminology for Lamprey Life Stages by Clemens, Benjamin J.

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Translocating Adult Pacific Lamprey within the Columbia River Basin: State of the Science by Ward, David L., Clemens, Benjamin J., Clugston, David, Jackson, Aaron D., Moser, Mary L., Peery, Chris, Statler, David P.

“…ABSTRACT The Pacific lamprey (Entosphenus tridentatus) is in decline in the Columbia River Basin, and translocating adult lamprey to bypass difficult migration…”
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Survival of migrating salmon smolts in large rivers with and without dams by Welch, David W, Rechisky, Erin L, Melnychuk, Michael C, Porter, Aswea D, Walters, Carl J, Clements, Shaun, Clemens, Benjamin J, McKinley, R Scott, Schreck, Carl

“…The mortality of salmon smolts during their migration out of freshwater and into the ocean has been difficult to measure. In the Columbia River, which has an…”
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Pre-spawning migration of adult Pacific lamprey, Entosphenus tridentatus, in the Willamette River, Oregon, U.S.A by Clemens, Benjamin J., Mesa, Matthew G., Magie, Robert J., Young, Douglas A., Schreck, Carl B.

“…We describe the migration distances and timing of the adult Pacific lamprey, Entosphenus tridentatus , in the Willamette River Basin (Oregon, U.S.A.). We…”
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Stream and river flows mediate adult lamprey spawning migrations: Considerations for management by Clemens, Benjamin J., Wagner, C. Michael

“…Organisms have adapted to dynamic river flows as part of the natural flow regime. However, climate change and humans' use of fresh water are associated with…”
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Microhabitat use by pre‐spawning Pacific lamprey Entosphenus tridentatus in a large, regulated river differs by year, river segment, and availability by Clemens, Benjamin J., Schreck, Carl B.

“…Decreasing river flows and increasing water temperatures during the summer have been associated with holding behavior by pre-spawning Pacific lamprey…”
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Detection efficiency of adult Pacific lamprey passage counts at Leaburg Dam and upstream distribution in the McKenzie River (Oregon, USA) by Romer, Jeremy D., Clemens, Benjamin J., Ziller, Jeffrey S., Garner, Emma

“…Adult Pacific lamprey (Entosphenus tridentatus) were counted using consistent methodology since 2005 with a video monitoring system as they passed Leaburg Dam…”
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Survey of Steelhead Age and Iteroparity Rates from a Volunteer Angler Program in the Willamette River Basin, Oregon by Clemens, Benjamin J

“…The iteroparous life history of steelhead Oncorhynchus mykiss can provide genetic variability and increase recruitment, thereby sustaining populations…”
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Spatial patterns in occupancy and density of larval lampreys in freshwater habitats restored to a Stage 0 condition by Harris, Julianne E., Clemens, Benjamin J., Helstab, Joseph M., Burns, Paul, Blanchard, Monica R., Skalicky, Joseph J., Mayes, Christopher, Bodiford, Logan

“…We examined occupancy and density of larval lampreys (Entosphenus tridentatus and Lampetra spp.) in two rivers in Oregon (USA) restored to a Stage 0 condition…”
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The Need for Reporting Rationale and Detailed Methods in Studies that Surgically Implant Fish with Electronic Tracking Devices by Clemens, Benjamin J., Matley, Jordan K., Klinard, Natalie V., Lennox, Robert J., Sortland, Lene K., Cooke, Steven J.

“…Each year, thousands of fishes are tagged with electronic devices to study their biology and inform fisheries management. Such research assumes that the…”
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Effects of dewatering on behavior, distribution, and abundance of larval lampreys by Harris, Julianne E., Skalicky, Joseph J., Liedtke, Theresa L., Weiland, Lisa K., Clemens, Benjamin J., Gray, Ann E.

“…Anthropogenic dewatering of aquatic habitats can cause stranding and mortality of burrowed larval lampreys; however, the effects of dewatering have not been…”
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Conservation Challenges and Research Needs for Pacific Lamprey in the Columbia River Basin by Clemens, Benjamin J., Beamish, Richard J., Coates, Kelly C., Docker, Margaret F., Dunham, Jason B., Gray, Ann E., Hess, Jon E., Jolley, Jeffrey C., Lampman, Ralph T., McIlraith, Brian J., Moser, Mary L., Murauskas, Joshua G., Noakes, David L. G., Schaller, Howard A., Schreck, Carl B., Starcevich, Steven J., Streif, Bianca, Wetering, Stan J., Wade, Joy, Weitkamp, Laurie A., Wyss, Lance A.

“…The Pacific Lamprey Entosphenus tridentatus, an anadromous fish native to the northern Pacific Ocean and bordering freshwater habitats, has recently…”
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