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Full-Text Articles in Life Sciences
Behavioral Responses Of Pacific Lamprey To Alarm Cues, Laurie L. Porter, Michael C. Hayes, Aaron D. Jackson, Brian J. Burke, Mary L. Moser, R. Steven Wagner
Behavioral Responses Of Pacific Lamprey To Alarm Cues, Laurie L. Porter, Michael C. Hayes, Aaron D. Jackson, Brian J. Burke, Mary L. Moser, R. Steven Wagner
All Faculty Scholarship for the College of the Sciences
Pacific lamprey (Entosphenus tridentatus), an anadromous ectoparasite, faces several challenges during adult migration to spawning grounds. Developingmethods to address these challenges is critical to the success of ongoing conservation efforts. The challenges are diverse, and include anthropogenic alterations to the ecosystem resulting in loss of habitat, impassable barriers such as dams, climate change impacts, and altered predator fields. We conducted a behavioral study to understand how adult migrating Pacific lamprey respond to potential alarm cues: White Sturgeon (Acipenser transmontanus), human saliva, decayed Pacific lamprey, and river otter (Lontra canadensis). Research has shown that some species of lamprey can be guided …
Passage Route Survival And Behavior Of Juvenile Salmon At Priest Rapids Dam, Columbia River, Wa, Kyle B. Hatch
Passage Route Survival And Behavior Of Juvenile Salmon At Priest Rapids Dam, Columbia River, Wa, Kyle B. Hatch
All Master's Theses
Columbia River hydropower is an economic mainstay of the Pacific Northwest. However, it is well known that the construction of hydropower dams has added anthropogenic pressure to Columbia River salmon populations. Juvenile salmon that pass through powerhouse turbines at large hydropower dams display higher mortality rates than salmon passing through alternative routes; thus at Priest Rapids Dam, a top-spill fish bypass was constructed as a safer alternate downstream passage. To investigate the efficacy of this new passage structure, an acoustic telemetry study was conducted in the spring of 2014 to determine the ability of the bypass to collect and safely …
Behavioral Response Of Pacific Lamprey (Entosphenus Tridentatus) To Predator Odors, Laurie L. Porter
Behavioral Response Of Pacific Lamprey (Entosphenus Tridentatus) To Predator Odors, Laurie L. Porter
All Master's Theses
Pacific lamprey (Entosphenus tridentatus), a species facing serious threats to their existence, experience a number of challenges in reaching their desired spawning grounds during the adult migratory phase, and predators are suspected to be one of these challenges. Understanding if Pacific lamprey respond to predator odorants may provide a management tool for use in conjunction with attractants in guiding lamprey to suitable spawning habitat and deterring them from poor habitat. Previous research has failed to explore Pacific lamprey response to predator odorants, although much research exists on attractant odorants. In our study, we tested Pacific lamprey response to …