Academic literature on the topic 'Beluga whales'

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Journal articles on the topic "Beluga whales"

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Glazov, D. M., D. M. Kuznetsova, and V. V. Rozhnov. "Movements of beluga whales (<i>Delphinapterus leucas</i>, cetacea, monodontidae) off the western coast of Kamchatka peninsula." Zoologičeskij žurnal 103, no. 8 (2024): 119–24. https://doi.org/10.31857/s0044513424080093.

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The movements of three mature beluga whales (Delphinapterus leucas) tagged by satellite transmitters off the western coast of Kamchatka Peninsula were analyzed. Before the formation of ice cover, beluga whales remained off the western coast of Kamchatka and in the Shelikhov Bay. As ice was formed and spread, beluga whales used increasingly deeper water areas. The data obtained indicate the possible residence of belugas in the eastern part of the Sea of Okhotsk and prove the genetic isolation of this beluga population from that of the western Sea of Okhotsk.
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Choy, ES, C. Giraldo, B. Rosenberg, et al. "Variation in the diet of beluga whales in response to changes in prey availability: insights on changes in the Beaufort Sea ecosystem." Marine Ecology Progress Series 647 (August 13, 2020): 195–210. http://dx.doi.org/10.3354/meps13413.

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The eastern Beaufort Sea (EBS) beluga whale Delphinapterus leucas population has experienced a 20 yr decline in inferred growth rates of individuals, which is hypothesized to have resulted from changes in prey availability. We used fatty acid signatures and stable isotope ratios to reconstruct the proportional contributions of 14 prey species to the diets of 178 beluga whales from 2011 to 2014. Prey estimates using quantitative fatty acid signature analysis suggest that EBS beluga whales primarily consume Arctic cod Boreogadus saida, a species highly sensitive to climate change. Prey estimates
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Chen, Hongmin, Zhuo Wang, Di Wu, et al. "An improved multi-strategy beluga whale optimization for global optimization problems." Mathematical Biosciences and Engineering 20, no. 7 (2023): 13267–317. http://dx.doi.org/10.3934/mbe.2023592.

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&lt;abstract&gt; &lt;p&gt;This paper presents an improved beluga whale optimization (IBWO) algorithm, which is mainly used to solve global optimization problems and engineering problems. This improvement is proposed to solve the imbalance between exploration and exploitation and to solve the problem of insufficient convergence accuracy and speed of beluga whale optimization (BWO). In IBWO, we use a new group action strategy (GAS), which replaces the exploration phase in BWO. It was inspired by the group hunting behavior of beluga whales in nature. The GAS keeps individual belugas whales togeth
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Belikov, Stanislav E., and Andrei N. Boltunov. "Distribution and migrations of cetaceans in the Russian Arctic according to observations from aerial ice reconnaissance." NAMMCO Scientific Publications 4 (July 21, 2002): 69. http://dx.doi.org/10.7557/3.2838.

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This paper is based on 748 observations of belugas (Delphinapterus leucas) and 382 observations of baleen whales in the Russian Arctic, the majority of the data provided by aerial reconnaissance of sea ice (ARSI). Although the data are not suitable for the estimation of the number and density of the animals, they represent a multi-year (1958-1995) range of observations to update our knowledge on the seasonal distribution and migrations of the species. Belugas inhabit not only shelf waters but also the zone of the shelf slope and the abyssal zone of the Arctic Ocean, where the animals appear mo
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Frost, Kathryn J., and Robert S. Suydam. "Subsistence harvest of beluga or white whales (Delphinapterus leucas) in northern and western Alaska, 1987–2006." J. Cetacean Res. Manage. 11, no. 3 (2023): 293–99. http://dx.doi.org/10.47536/jcrm.v11i3.609.

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Four stocks of beluga or white whales (Delphinapterus leucas) are hunted by Alaska Natives in northern and western Alaska. These are the Beaufort Sea, eastern Chukchi Sea, eastern Bering Sea and Bristol Bay stocks. Since 1987, the Alaska Beluga Whale Committee has monitored the subsistence harvests of belugas from these stocks. During this 20 year period, the total landed harvest for the four stocks combined (adjusted for years with missing data) ranged from 208 in 1995 to 494 in 1988, with a 20 year average of 323 per year. For individual stocks the average annual landed harvests for 1987–200
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Prasolova, Ekaterina A., Roman A. Belikov, Andrey A. Ryabov, and Denis I. Litovka. "Results on photo identification for beluga whale Delphinapterus leucas in the Anadyr estuary of the Bering Sea." Izvestiya TINRO 179, no. 4 (2014): 120–28. http://dx.doi.org/10.26428/1606-9919-2014-179-120-128.

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Definition of individual beluga whales by the method of photo identification and selection of the main types of markers are presented for beluga whales in the Anadyr estuary, western Bering Sea. The study was conducted in the aggregation of beluga whales in three different sites at Anadyr - in the Anadyr sea port and at ferry docks № 8 and № 10 in the period from August 14 to September 6, 2013 (summer feeding of the whales). The maximum number of whales (40-70 animals) was observed at the ferry dock № 10, 2-6 whales were at the ferry dock № 8, and 1-2 ones - at the port. Mother-calf pairs were
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Stafford, Kathleen M., John J. Citta, Stephen R. Okkonen, and Jinlun Zhang. "Bowhead and beluga whale acoustic detections in the western Beaufort Sea 2008–2018." PLOS ONE 16, no. 6 (2021): e0253929. http://dx.doi.org/10.1371/journal.pone.0253929.

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The Distributed Biological Observatory (DBO) was established to detect environmental changes in the Pacific Arctic by regular monitoring of biophysical responses in each of 8 DBO regions. Here we examine the occurrence of bowhead and beluga whale vocalizations in the western Beaufort Sea acquired by acoustic instruments deployed from September 2008-July 2014 and September 2016-October 2018 to examine inter-annual variability of these Arctic endemic species in DBO Region 6. Acoustic data were collected on an oceanographic mooring deployed in the Beaufort shelfbreak jet at ~71.4°N, 152.0°W. Spec
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Kamio, Takashi, Yukako Odani, Wataru Ohtomo, et al. "Bronchial Tree System Analysis of Live Beluga Whale (Delphinapterus leucas) Using Bronchoscopy." Veterinary Sciences 11, no. 1 (2024): 33. http://dx.doi.org/10.3390/vetsci11010033.

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Cetaceans, including beluga whales (Delphinapterus leucas), have high morbidity and mortality rates due to bacterial or fungal lower respiratory infections. Bronchoalveolar lavage fluid (BALF) collection by bronchoscopy is beneficial for detecting pathogenic microorganisms in the lower respiratory tract. Efficient and safe bronchoscopy requires characterizing the bronchial tree systems of beluga whales, as no reports exist on bronchial length and bifurcation. In this study, bronchoscopy was performed on five captive beluga whales (9–44 years old) to detect bronchial length and bifurcation. The
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Heide-Jørgensen, MP, and Mario Acquarone. "Size and trends of the bowhead whale, beluga and narwhal stocks wintering off West Greenland." NAMMCO Scientific Publications 4 (July 22, 2002): 191. http://dx.doi.org/10.7557/3.2844.

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To assess the size and trends of the abundance of the bowhead whale (Balaena mysticetus), the beluga, or white whale (Delphinapterus leucas), and the narwhal (Monodon monoceros) visual aerial surveys were conducted in West Greenland in March 1998 and 1999. An estimated 49 bowhead whales (95% CI: 13 to 188) were present at the surface in 1998. Data from land-based observations enabled correction for bowhead whales that were not available at the surface to be seen during the survey. By applying a rounded average of 80% (SE=3) for submergence an estimate of 246 bowhead whales (95% CI: 62 to 978)
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Litovka, Denis I., and Ludmila N. Khitzova. "On factors for separation of the stock of beluga whale Delphinapterus leucas in the Anadyr Gulf of the Bering Sea." Izvestiya TINRO 179, no. 4 (2014): 113–19. http://dx.doi.org/10.26428/1606-9919-2014-179-113-119.

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New eco-ethological data on the Anadyr stock of beluga whales are presented based on 14-year (2000-2013) studies by methods of satellite tracking telemetry, multi-spectral aerial surveys and genetic analysis, as well as traditional and ecosystem-based approaches. Possible factors of the separate stock formation in the Anadyr Gulf are discussed, as geographic isolation, environmental conditions, foraging resources, elimination of the beluga whales, and biological isolation (on the results of genetic analysis). The beluga whales are well-adapted to oceanographic conditions and ice regime of the
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Dissertations / Theses on the topic "Beluga whales"

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Matthews, Cory. "Longitudinal Diet Studies of Arctic Whales." Marine Biological Association of the United Kingdom, 2013. http://hdl.handle.net/1993/30149.

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An animal’s foraging ecology can vary over a range of temporal scales, mirroring seasonal and longer term changes in prey availability, as well as ontogenetic shifts in diet and distribution. Obtaining individual-based, longitudinal diet information through direct observation, however, is logistically challenging for marine mammals that pursue and consume prey underwater, and are often widely distributed. Isotopic profiling along continuously growing tissues like teeth and baleen, which archive dietary inputs at the time of growth in their stable isotope composition, allows for chronological d
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Doidge, D. W. (David William). "Age and stage based analysis of the population dynamics of beluga whales, Delphinapterus leucas, with particular reference to the northern Quebec population." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=74610.

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The vital rates of beluga, Delphinapterus leucas, harvested in northern Quebec are within the range reported by previous studies in Alaska and the Canadian and Soviet Arctic. Small sample size and inadequate estimates of survivorship rates prevent meaningful calculation of population growth rate. The pattern of changes in vital rates over the life cycle of beluga and analysis of errors associated with stage classification indicate that the demographic information in a 6 x 6 age-grouped Lefkovitch matrix is similar to that in a 38 x 38 age class Leslie matrix. A 3 stage, length-based model comp
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Murray, Brent William. "Major histocompatibility complex class II sequence variation in cetaceans : DQ[beta] and DR[beta] variation in beluga (Delphinapterus leucas) and DQ[beta] variation in North Atlantic right whales (Eubalaena glacialis) /." *McMaster only, 1997.

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Murray, Brent W. "Major Histocompatibility Complex class II sequence variation in cetaceans, DQß and DRß variation in beluga, Delphinapterus leucas, and DQß variation in north Atlantic right whales, Eubalaena glacialis." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0019/NQ30162.pdf.

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Matley, Jordan. "The ecology of Arctic cod (Boreogadus saida) and interactions with seabirds, seals, and whales in the Canadian Arctic." Springer, 2012. http://hdl.handle.net/1993/8868.

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This thesis investigates the foraging of Arctic cod (Boreogadus saida) and its predators during the summer in the Canadian Arctic. Findings included the identification of Arctic cod, ringed seal (Pusa hispida), beluga (Delphinapterus leucas), and narwhal (Monodon monoceros) diet shifts in response to seasonal prey availability; calculation of isotopic diet-tissue discrimination factors for Arctic cod, ringed seals, and whales based on local tissue and stomach content sampling; and determination of predatory cues to optimize foraging, such as the presence of schools. Additionally, I quantifie
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Erbe, Christine. "The masking of beluga whale, Delphinapterus leucas, vocalizations by icebreaker noise." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape15/PQDD_0034/NQ27136.pdf.

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Ball, Hope C. "Metabolic Activity in a Non-Model System: Leptin and Lipolysis in Bowhead (Balaena Mysticetus) and Beluga (Delphinapterus Leucas) Whale." University of Akron / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=akron1373972573.

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De, la Chenelière Véronik. "The risks and benefits of an invasive technique, biopsy sampling, for an endangered population, the St. Lawrence beluga (Delphinapterus leucas) /." Thesis, McGill University, 1998. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=21536.

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Research can conflict with conservation when invasive techniques are used on protected animal species. We developed a decision framework including the research question, the choice of technique, and the recommended course of action following the evaluation of the risks and benefits. This evaluation includes biological risks and benefits and considerations linked to the perception of resource users. We applied this framework a posteriori to a case study, the use of biopsy sampling on St. Lawrence belugas. We monitored the biological risks and benefits over four field seasons using behavioural a
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Parlayan, Filiz Eanes Ritchie. "Development of inductively coupled plasma spectroscopic methods for the determination of metals in beluga (delphinapterus leucas) and pygmy sperm (kogia breviceps) whale liver samples/." [s.l.]: [s.n.], 2005. http://library.iyte.edu.tr/tezler/master/kimya/t000399.pdf.

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Thesis (Master)--İzmir Institute of Technology, İzmir, 2005<br>Keywords: ICP-OES, Chemometrics methods, internal standardization, matrix effects. Includes bibliographical references (leaves. 111-120).
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Trana, Marci Renée. "Variation in blubber cortisol as a measure of stress in beluga whales of the Canadian Arctic." 2014. http://hdl.handle.net/1993/23447.

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Exposure to stressors in free-living mammals can be measured via glucocorticoid hormones concentrations. Using adipose from marine mammals (blubber) as a tissue for extracting cortisol provides a means for measuring cortisol concentrations not associated with capture stress. Beluga whale range is limited to the Arctic where climate change is exaggerated. Our objectives were to compare cortisol concentrations among archived blubber samples with varying quality and blubber depth, compare blubber cortisol from beluga whales in a high-stress entrapment event to whales harvested during subsistence
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Books on the topic "Beluga whales"

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Landau, Elaine. Beluga whales. Enslow, 2011.

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Squire, Ann. Beluga whales. Children's Press, 2006.

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Martin, Tony. Beluga whales. Colin Baxter Photography, 2002.

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Gunderson, Megan M. Beluga whales. ABDO, 2011.

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Tony, Martin. Beluga whales. Voyageur Press, 1996.

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Tony, Martin. Beluga whales. Colin Baxter Photography, 2002.

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Tony, Martin. Beluga whales. Colin Baxter Photography, 2002.

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Owen, Ruth. Beluga whales. Windmill Books, 2013.

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Rake, Jody Sullivan. Beluga whales up close. Capstone Press, 2009.

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Béland, Pierre. Beluga: A farewell to whales. Lyons & Burford, 1996.

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Book chapters on the topic "Beluga whales"

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Martineau, Daniel. "Beluga Whales and Ecotoxicity." In Encyclopedia of Aquatic Ecotoxicology. Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-5704-2_15.

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Mooney, T. Aran, Manuel Castellote, Lori Quakenbush, Roderick Hobbs, Caroline Goertz, and Eric Gaglione. "Measuring Hearing in Wild Beluga Whales." In The Effects of Noise on Aquatic Life II. Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4939-2981-8_88.

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Manitzas Hill, Heather M., Kalthleen M. Dudzinski, Malin K. Lilley, and Jackson R. Ham. "Sexual Behaviors of Odontocetes in Managed Care." In Sex in Cetaceans. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-35651-3_9.

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AbstractA number of odontocete species have been cared for by humans for multiple decades, including but not limited to pilot whales, killer whales, Commerson’s dolphins, bottlenose dolphins (Indo-Pacific and common), and beluga whales (or white whales). Because many of these were breeding, numerous reproductive behaviors have been observed, documented, and investigated in detail. Similarly, sociosexual behaviors exchanged between nonreproductive partners have been examined. This chapter summarizes what has been learned regarding the role of hormones in sexual behavior, seasonality of sexual b
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Lammers, Marc O., Robert Small, Shannon Atkinson, et al. "Acoustic Monitoring of Beluga Whales (Delphinapterus leucas) in Cook Inlet, Alaska." In Advances in Experimental Medicine and Biology. Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4419-7311-5_77.

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Erbe, Christine, and Chong Wei. "Odontocete Sounds." In Marine Mammal Acoustics in a Noisy Ocean. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-77022-7_4.

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Abstract Odontocetes produce and listen to sound in support of their major life functions, which include foraging, mating, rearing of young, and navigating. Odontocetes are considered highly social animals and acoustic communication plays an important role in all social encounters and in the coordination of group behaviors. Many species, such as bottlenose dolphins and beluga whales, produce sound prolifically. Out of the ~80 species of odontocetes, only ~10 of the most cryptic have not had their vocalizations described. In addition to emitting sounds for communication, odontocetes also emit b
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Hoffman, Christopher A. "Mitigating Impacts of Underwater Noise From Dredging on Beluga Whales in Cook Inlet, Alaska." In Advances in Experimental Medicine and Biology. Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4419-7311-5_140.

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Supin, Alexander, Vladimir Popov, Dmitry Nechaev, Evgenia Sysueva, and Viatcheslav Rozhnov. "Is Sound Exposure Level a Convenient Metric to Characterize Fatiguing Sounds? A Study in Beluga Whales." In The Effects of Noise on Aquatic Life II. Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4939-2981-8_139.

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Ryan, Kasey P., and Cortney A. Watt. "Beluga Whale Delphinapterus leucas (Pallas, 1776)." In Handbook of the Mammals of Europe. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-319-65038-8_99-1.

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Xu, Shi-Lei, Qing-Wei Chai, Wei-Min Zheng, Jeng-Shyang Pan, and Pei Hu. "An Opposition-Based Beluga Whale Optimization." In Advances in Intelligent Information Hiding and Multimedia Signal Processing. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-0605-5_35.

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Sysueva, Evgeniya V., Dmitry I. Nechaev, Vladimir V. Popov, and Alexander Y. Supin. "Frequency Tuning of Hearing in the Beluga Whale." In The Effects of Noise on Aquatic Life II. Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4939-2981-8_140.

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Conference papers on the topic "Beluga whales"

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Shen, Xiaohui, and Yonggang Wu. "An Improved Adaptive Beluga Whale Optimization for Global Optimization." In 2024 IEEE 9th International Conference on Computational Intelligence and Applications (ICCIA). IEEE, 2024. http://dx.doi.org/10.1109/iccia62557.2024.10719171.

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Fang, Chaoying, Yunchu Cheng, Jun Xu, Xiaojie Wang, Jiafeng Lin, and Wei Gong. "Pollution Flashover Pre-warning Method Based on Beluga Whale Optimization Algorithm." In 2024 3rd Asia Power and Electrical Technology Conference (APET). IEEE, 2024. https://doi.org/10.1109/apet63768.2024.10882643.

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Yang, Zhichao, Kai Li, Chunying Wang, et al. "Multi-Objective Routing Based on Beluga Whale Optimization in Computing Power Optical Networks." In 2024 22nd International Conference on Optical Communications and Networks (ICOCN). IEEE, 2024. http://dx.doi.org/10.1109/icocn63276.2024.10648429.

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Xu, Junheng, Kang Wang, and Xiaoli Li. "A Novel Multi-Objective Non-Dominated Sorting Beluga Whale Optimization Algorithm for WFGD Process." In 2024 IEEE 13th Data Driven Control and Learning Systems Conference (DDCLS). IEEE, 2024. http://dx.doi.org/10.1109/ddcls61622.2024.10606914.

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Zhang, Bingbing, Jingqing Jiang, and Jiazhi Song. "An Improved Beluga Whale Optimization Algorithm Based on Chaotic Opposition-Based Learning and Adaptive Weighting Factor." In 2024 International Conference on New Trends in Computational Intelligence (NTCI). IEEE, 2024. https://doi.org/10.1109/ntci64025.2024.10776495.

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Pothula, Narendra, Nagasrisaihari Sunkara, Vanitha R, Thiyagesan M, H. Mickle Aancy, and Balasubbareddy Mallala. "Beluga Whale Optimization for Effective Energy Management in Microgrids with Electric Vehicle Charging in Smart Distribution Networks." In 2025 International Conference on Multi-Agent Systems for Collaborative Intelligence (ICMSCI). IEEE, 2025. https://doi.org/10.1109/icmsci62561.2025.10894279.

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Sysueva, Evgeniya V., Dmitry I. Nechaev, Vladimir V. Popov, and Alexander Ya Supin. "Electrophysiological audiograms in seven beluga whales (Delphinapterus leucas) from the Okhotsk Sea population." In 174th Meeting of the Acoustical Society of America. Acoustical Society of America, 2018. http://dx.doi.org/10.1121/2.0000807.

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Korochentsev, V. I., E. V. Smolenskii, A. A. Rybchenko та G. A. Shabanov. "АНАЛИЗ АКУСТИЧЕСКИХ БИОРИТМОВ МОРСКИХМЛЕКОПИТАЮЩИХ". У Fizika geosfer. ФГБУН Тихоокеанский океанологический институт им. В.И. Ильичева Дальневосточного отделения РАН, 2019. http://dx.doi.org/10.35976/poi.2019.1.38479.

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В работе проведен анализ методов оценки функционального состояния организма морских млекопитающих. Целью настоящего исследования явился поиск и отработка технологии мониторинга функционального состояния и здоровья животного, неинвазивного съема диагностической информации, который можно было бы проводить многократно. Впервые была апробирована методика регистрации акустоэнцефалограммы с головного мозга белухи. Аппарат Регистратор спектра акустоэнцефалограммы01 (РС АЭГ01) позволял регистрировать спектр ритмов в диапазоне 0.127 Гц с выделением 8400 спектральных гармоник и временем интегрирования 1
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Korochentsev, V. I., E. V. Smolenskii, A. A. Rybchenko та G. A. Shabanov. "АНАЛИЗ АКУСТИЧЕСКИХ БИОРИТМОВ МОРСКИХ МЛЕКОПИТАЮЩИХ". У Fizika geosfer. ФГБУН Тихоокеанский океанологический институт им. В.И. Ильичева Дальневосточного отделения РАН, 2019. http://dx.doi.org/10.35976/poi.2019.91.40.012.

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В работе проведен анализ методов оценки функционального состояния организма морских млекопитающих. Целью настоящего исследования явился поиск и отработка технологии мониторинга функционального состояния и здоровья животного, неинвазивного съема диагностической информации, который можно было бы проводить многократно. Впервые была апробирована методика регистрации акустоэнцефалограммы с головного мозга белухи. Аппарат Регистратор спектра акустоэнцефалограммы01 (РС АЭГ01) позволял регистрировать спектр ритмов в диапазоне 0.127 Гц с выделением 8400 спектральных гармоник и временем интегрирования 1
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Gao, Jinrui, Ziqian Wang, Baohang Zhang, Zhenyu Lei, Yuki Todo, and Shangce Gao. "Memetic Beluga Whale Optimization for Feature Selection." In 2023 15th International Conference on Intelligent Human-Machine Systems and Cybernetics (IHMSC). IEEE, 2023. http://dx.doi.org/10.1109/ihmsc58761.2023.00009.

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Reports on the topic "Beluga whales"

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Antoine Bertin, Antoine Bertin. What types of sculptural visualisations of Beluga whales communications latent representations are the most engaging? Experiment, 2023. http://dx.doi.org/10.18258/56952.

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2

Becker, Paul R., Rebecca S. Pugh, Michele M. Schantz, et al. Persistent chlorinated compounds and elements in tissues of Cook Inlet Beluga Whales, Delphinapterus leucas, banked by the Alaska Marine Mammal Tissue Archival Project. National Institute of Standards and Technology, 2001. http://dx.doi.org/10.6028/nist.ir.6702.

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3

Worthington, Monty. Acoustic Monitoring of Beluga Whale Interactions with Cook Inlet Tidal Energy Project. Office of Scientific and Technical Information (OSTI), 2014. http://dx.doi.org/10.2172/1117710.

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4

Reiner, Jessica L., Jennifer Hoguet, Jennifer M. Keller, et al. Organohalogen Contaminants and Mercury in Beluga Whale Tissues Banked by the Alaska Marine Mammal Tissue Archival Project. National Institute of Standards and Technology, 2012. http://dx.doi.org/10.6028/nist.ir.7860.

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