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Creator:: Horning, Markus and Mellish, Jo-Ann E.
Abstract:: Temperature data received post mortem in 2008–13 from 15 of 36 juvenile Steller sea lions (Eumetopias jubatus) that had been surgically implanted in 2005–11 with dual life history transmitters (LHX tags) indicated that all 15 animals died by predation. In 3 of those 15 cases, at least 1 of the...
Resource Type:: Article
Full Text:: )1,2 Jo-Ann E. Mellish3,4 Email address for contact author: markus.horning@oregonstate.edu 1

Creator:: Horning, Markus and Mellish, Jo-Ann E.
Abstract:: The endangered western stock of the Steller sea lion (Eumetopias jubatus) - the largest of the eared seals - has declined by 80% from population levels encountered four decades ago. Current overall trends from the Gulf of Alaska to the Aleutian Islands appear neutral with strong regional heterogeneities. A published...
Resource Type:: Article
Full Text:: Markus Horning1,2*, Jo-Ann E. Mellish3,4 1 Department of Fisheries and Wildlife, Marine Mammal Institute

Creator:: Horning, Markus and Mellish, Jo-Ann E.
Abstract:: To directly determine mortality and predation in the endangered western Steller sea lion Eumetopias jubatus, we deployed implanted, satellite-linked post-mortem data transmitters in 21 juveniles. Data recovered from 4 of 5 detected mortalities exhibited precipitous drops in ambient temperatures followed by immediate onset of transmissions (N = 3), or gradual...
Resource Type:: Article
Full Text:: transmitters Markus Horning1,*, Jo-Ann E. Mellish2, 3 1Department of Fisheries and Wildlife, Marine Mammal

Creator:: Thomton, Jamie D., Mellish, Jo-Ann E., Hennen, Daniel R., and Horning, Markus
Abstract:: Wild-caught juvenile Steller sea lions Eumetopias jubatus (n = 21) were maintained in temporary captivity for up to 12 wk to investigate health, disease, nutrition and behavior. We assessed the effects of captivity on post-release dive behavior and movement of each animal using externally mounted satellite data recorders. Based on...
Resource Type:: Article
Full Text:: . Thomton1,*, Jo-Ann E. Mellish1, 2, Daniel R. Hennen1, Markus Horning3 1Alaska SeaLife Center, 301 Railway

Creator:: Horning, Markus, Haulena, Martin, Tuomi, Pamela A, and Mellish, Jo-Ann E.
Abstract:: Background: Pinnipeds, including many endangered and declining species, are inaccessible and difficult to monitor for extended periods using externally attached telemetry devices that are shed during the annual molt. Archival satellite transmitters were implanted intraperitoneally into four rehabilitated California sea lions (Zalophus californianus) and 15 wild juvenile Steller sea lions...
Resource Type:: Article
Full Text:: otariids Markus Horning*1, Martin Haulena2,5, Pamela A Tuomi3 and Jo-Ann E Mellish3,4 Address

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