Results 1 to 10 of about 84 (83)

The oldest record of the Steller sea lion Eumetopias jubatus (Schreber, 1776) from the early Pleistocene of the North Pacific [PDF]

open access: yesPeerJ, 2020
The extant genera of fur seals and sea lions of the family Otariidae (Carnivora: Pinnipedia) are thought to have emerged in the Pliocene or the early Pleistocene in the North Pacific.
Nahoko Tsuzuku, Naoki Kohno
doaj   +2 more sources

Steller Sea Lion (Eumetopias jubatus) Response to Non-lethal Hazing at Bonneville Dam

open access: yesFrontiers in Conservation Science, 2021
Protected Steller sea lions (Eumetopias jubatus) aggregate at Bonneville Dam on the Columbia River and prey upon multiple species of endangered salmon ascending the river. Hazing is a non-lethal activity designed to repel sea lions that includes aversive
Kyle S. Tidwell   +3 more
doaj   +1 more source

Human Vocal Commands Verify Audio Discrimination Ability in the Steller Sea Lion Eumetopias jubatus

open access: yesInternational Journal of Comparative Psychology, 2022
We report results of experiments using human vocal commands to investigate how well a Steller sea lion ( Eumetopias jubatus ) can discriminate different sounds.
Masahiro Sasaki   +5 more
doaj   +1 more source

No evidence of metabolic depression in Western Alaskan juvenile Steller sea lions (Eumetopias jubatus). [PDF]

open access: yesPLoS ONE, 2014
Steller sea lion (Eumetopias jubatus) populations have undergone precipitous declines through their western Alaskan range over the last four decades with the leading hypothesis to explain this decline centering around changing prey quality, quantity, or ...
Lisa A Hoopes   +3 more
doaj   +1 more source

Changes in the overwintering diet of Steller sea lions (Eumetopias jubatus) in relation to the 2014 – 2016 northeast Pacific marine heatwave

open access: yesGlobal Ecology and Conservation, 2023
Understanding variation in the diets of endangered species during critical time periods in their annual cycle is of utmost importance because of the effects that diet can have on vital rates and population trends.
John M. Maniscalco
doaj   +1 more source

Assessment of Competition between Fisheries and Steller Sea Lions in Alaska Based on Estimated Prey Biomass, Fisheries Removals and Predator Foraging Behaviour. [PDF]

open access: yesPLoS ONE, 2015
A leading hypothesis to explain the dramatic decline of Steller sea lions (Eumetopias jubatus) in western Alaska during the latter part of the 20th century is a change in prey availability due to commercial fisheries.
Tabitha C Y Hui   +3 more
doaj   +1 more source

The Effect of Novel Research Activities on Long-term Survival of Temporarily Captive Steller Sea Lions (Eumetopias jubatus). [PDF]

open access: yesPLoS ONE, 2015
Two novel research approaches were developed to facilitate controlled access to, and long-term monitoring of, juvenile Steller sea lions for periods longer than typically afforded by traditional fieldwork.
Courtney Shuert   +2 more
doaj   +1 more source

MODERN VIEWS ON THE CIRCULATION OF HERPES VIRUSES IN THE OKHOTSK SEA STELLER SEA LION (EUMETOPIAS JUBATUS, SCHREBER, 1776)

open access: yesЮг России: экология, развитие, 2019
Aim. To evaluate the possibility of herpes viruses circulation and possible routes of transmission in population of Steller sea lions of the Sea of Okhotsk by combining a thorough literature study with screening of blood sera samples of Steller sea lion ...
A. A. Derko   +6 more
doaj   +1 more source

Reduced survival of Steller sea lions in the Gulf of Alaska following marine heatwave

open access: yesFrontiers in Marine Science, 2023
The North Pacific marine heatwave of 2014–2016 (PMH), one of the most geographically-extensive and severe marine heatwaves on record, resulted in widespread and persistent perturbation of the Gulf of Alaska and California Current ecosystems.
Kelly K. Hastings   +6 more
doaj   +1 more source

Age‐specific reproduction in female Steller sea lions in Southeast Alaska

open access: yesEcology and Evolution, 2023
Age‐, region‐, and year‐specific estimates of reproduction are needed for monitoring wildlife populations during periods of ecosystem change. Population dynamics of Steller sea lions (Eumetopias jubatus) in Southeast Alaska varied regionally (with high ...
Kelly K. Hastings   +4 more
doaj   +1 more source

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