Results 171 to 180 of about 6,438 (222)

Population Genetics of St. Lawrence Beluga Whales

, 1992
Patenaude, Nathalie J.
openalex   +1 more source

Study of Three-Dimensional Distribution of Chloride In Coral Aggregate Concrete: A Cnn-Bigru-Attention Data-Intelligence Model Driven by Beluga Whale Optimization Algorithm

Daming Luo, Tianze Wang, Jie Han, Ditao Niu   +3 more
openalex   +1 more source

Framework Adjustment 14 Does Not Violate Magnuson-Stevens Act [PDF]

, 2004
Boardman, Terry
core   +1 more source

In Pursuit of Leviathan: Technology, Institutions, Productivity, and Profits in American Whaling, 1816-1906 [PDF]

Karin Gleiter, Lance E. Davis, Robert E. Gallman   +2 more
core  

Federal Circuit Reverses $37 Million Award to Fishing Vessel [PDF]

, 2004
Young, Lance
core   +1 more source

Group structure and kinship in beluga whale societies [PDF]

Scientific Reports, 2020
AbstractEvolutionary explanations for mammalian sociality typically center on inclusive-fitness benefits of associating and cooperating with close kin, or close maternal kin as in some whale societies, including killer and sperm whales. Their matrilineal structure has strongly influenced the thinking about social structure in less well-studied ...
Gregory O'Corry-Crowe, Lois Harwood, Dennis I Litovka   +2 more
exaly   +3 more sources

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Whale tear glands in the bowhead and the beluga whales: Source and function

Journal of Morphology, 2020
AbstractOrbital glands are found in many tetrapod vertebrates, and are usually separate structures, consisting of individual glands lying in the eyelids and both canthi of the orbit. In cetaceans, however, the orbital glandular units are less distinct and have been described by numerous authors as a single, periorbital mass. There are few histochemical
Susan J. Rehorek, Rapahela Stimmelmayr, John C. George, Robert Suydam, Denise M. McBurney, JGM Thewissen   +5 more
openaire   +2 more sources

Frequency Tuning of Hearing in the Beluga Whale

2016
Data on frequency tuning in odontocetes are contradictory: different authors have reported filter qualities from 2 to almost 50. In this study, frequency tuning was measured in a beluga whale (Delphinapterus leucas) using a rippled-noise test stimulus in conjunction with the auditory evoked potential (AEP) technique.
Evgeniya V, Sysueva, Dmitry I, Nechaev, Vladimir V, Popov, Alexander Y, Supin   +3 more
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The spiral ganglion and Rosenthal's canal in beluga whales

Journal of Morphology, 2015
ABSTRACTWith the increase of human activity and corresponding increase in anthropogenic sounds in marine waters of the Arctic, it is necessary to understand its effect on the hearing of marine wildlife. We have conducted a baseline study on the spiral ganglion and Rosenthal's canal of the cochlea in beluga whales (Delphinapterus leucas) as an initial ...
Jennifer D, Sensor, Robert, Suydam, John C, George, M C, Liberman, Denise, Lovano, Mary Ann, Rhaganti, Sharon, Usip, Christopher J, Vinyard, J G M, Thewissen   +8 more
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Masked tonal hearing thresholds in the beluga whale

The Journal of the Acoustical Society of America, 1989
Masked tonal thresholds were measured for a beluga whale at one noise level and 32 frequencies between 40 Hz and 115 kHz. Critical ratios were estimated and compared with those previously measured for the bottlenose dolphin. Beluga whale critical ratios were found to be about 3 dB lower than those of the bottlenose dolphin.
C S, Johnson, M W, McManus, D, Skaar
openaire   +2 more sources