Results 21 to 30 of about 552 (176)

Genetic history and stock identity of beluga whales in Kotzebue Sound

Polar Research, 2021
We investigate the recent history and stock identity of beluga whales (Delphinapterus leucas) in Kotzebue Sound in the Chukchi Sea, a region long frequented by large numbers of belugas in summer until their near disappearance in the 1980s. Wide variation
Gregory O’Corry-Crowe, Tatiana Ferrer, John J. Citta, Robert Suydam, Lori Quakenbush, John J. Burns, Jorge Monroy, Alex Whiting, Glenn Seaman, Willie Goodwin, Sr., Matthias Meyer, Sarah Rodgers, Kathryn J. Frost   +12 more
doaj   +1 more source

Pressure Induced Changes in Adaptive Immune Function in Belugas (Delphinapterus leucas); implications for dive physiology and health

Frontiers in Physiology, 2016
Increased pressure, associated with diving, can alter cell function through several mechanisms and has been shown to impact immune functions performed by peripheral blood mononuclear cells (PBMC) in humans.
Laura A Thompson, Tracy A. Romano
doaj   +1 more source

The role of aquaria in beluga research and conservation

Polar Research, 2021
Aquaria that care for and maintain belugas (Delphinapterus leucas) under professional care have the opportunity to contribute to the conservation of wild belugas through research, expertise in animal care and husbandry, and engaging and educating the ...
Tracy A. Romano, Laura A. Thompson, Maureen V. Driscoll, Ebru Unal, Allison D. Tuttle, Gayle Sirpenski, Mary Ellen Mateleska, Dale Wolbrink   +7 more
doaj   +1 more source

Belugas (Delphinapterus leucas) of the Barents, Kara and Laptev seas

NAMMCO Scientific Publications, 2002
This paper reviews published information on the white whale or beluga (Delphinapterus leucas) inhabiting the Barents, Kara and Laptev seas. Some data obtained during multi-year aerial reconnaissance of sea ice in the Russian Arctic are also included. Ice
Andrei N Boltunov, Stanislav E Belikov
doaj   +1 more source

Inductive Beluga: Programming Proofs [PDF]

, 2015
beluga is a proof environment which provides a sophisticated infrastructure for implementing formal systems based on the logical framework LF together with a first-order reasoning language for implementing inductive proofs about them following the Curry-Howard isomorphism.
Brigitte Pientka, Andrew Cave
openaire   +1 more source

Alphaherpesvirus: isolation, identification, partial characterisation, associated pathologic findings, and epidemiology in beluga whales (Delphinapterus leucas) in Alaska and Arctic Canada

Arctic Science, 2018
Live, dead stranded, and harvested belugas (Delphinapterus leucas) in Alaska and the western Canadian Arctic were screened for viruses utilizing a primary beluga cell line. Samples consisted of swabs from blowhole, anus, and genital tract.
Ole Nielsen, Kathleen A. Burek-Huntington, Lisa L. Loseto, Maria Morell, Carlos H. Romero   +4 more
doaj   +1 more source

Beluga whale (Delphinapterus leucas) behaviour in the presence of whale-watching vessels

Frontiers in Marine Science, 2023
Beluga whales (Delphinapterus leucas) are social animals that return to the same estuaries each summer season. The Western Hudson Bay belugas in the Churchill River estuary appear to be attracted to boats, resulting in whale-watching being a popular ...
Kristin H. Westdal, Kristin H. Westdal, Pierre R. Richard, Jessica Sportelli, Erica Gillis, Steve H. Ferguson, Steve H. Ferguson   +6 more
doaj   +1 more source

Beluga whale summer habitat associations in the Nelson River estuary, western Hudson Bay, Canada.

PLoS ONE, 2017
To understand beluga whale (Delphinapterus leucas) estuarine use in the Nelson River estuary, southwest Hudson Bay, we recorded and examined beluga movements and habitat associations for the July through August period in 2002-2005.
Alexander J Smith, Jeff W Higdon, Pierre Richard, Jack Orr, Warren Bernhardt, Steven H Ferguson   +5 more
doaj   +1 more source

A review of beluga (Delphinapterus leucas) sexual behavior and reproductive physiology leading to conception

Theriogenology Wild
This review summarizes the available literature on the knowledge of reproduction in white whales or belugas (Delphinapterus leucas). We discuss reproductive anatomy, physiology, endocrinology, and behavior prior to conception.
Heather M. Manitzas Hill, Malin K. Lilley, Jackson R. Ham, Todd Robeck   +3 more
doaj   +1 more source

Population size and yield of Baffin Bay beluga (Delphinapterus leucas) stocks

NAMMCO Scientific Publications, 2002
A surplus production model within a Sampling, Importance Resampling (SIR) Bayesian analysis was used to estimate stock sizes and yields of Baffin Bay belugas.
Stuart Innes, Robert EA Stewart
doaj   +1 more source