Results 21 to 30 of about 4,896 (237)

Diet and feeding observations from an unusual beluga harvest in 2014 near Ulukhaktok, Northwest Territories, Canada

Arctic Science, 2018
The Eastern Beaufort Sea (EBS) beluga (Delphinapterus leucas) population are an important traditional food for the Inuit of the Inuvialuit Settlement Region, Northwest Territories (NT) Canada.
Lisa L. Loseto, Jasmine D. Brewster, Sonja K. Ostertag, Kathleen Snow, Shannon A. MacPhee, Darcy G. McNicholl, Emily S. Choy, Carolina Giraldo, Claire A. Hornby   +8 more
doaj   +1 more source

Long Distance Migration of Beluga (Huso huso) and Stellate Sturgeon (Acipenser stellatus) in Lower Danube River in Relation with Iron Gate II Dam

Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Animal Science and Biotechnologies, 2018
Construction of the dams in Lower Danube River (LDR- rkm 0 Sulina – rkm 1075 Baziasi) without fish passages, as well as illegal fishery and river bottom modification due to navigation had negative impact on sturgeon’s populations.
Ștefan HONŢ, Marian PARASCHIV, Marian Ion IANI, Tihomir STEFANOV, Mirjana LENHARDT, Lucian OPREA   +5 more
doaj   +1 more source

Improved Beluga Whale Optimization for RFID Network Planning [PDF]

Jisuanji kexue
With the development of radio frequency identification(RFID) technology,the demand for its application is getting higher and higher,and the research in reader deployment is gradually deepening.In order to solve the RFID reader location planning problem ...
CHEN Yijun, ZHENG Jiali, LI Zhiqian, ZHANG Jiangbo, ZHU Xinghong
doaj   +1 more source

Sturgeon caviar and cardiovascular diseases, Caspian Sea wild and farmed beluga, Huso huso caviar and their lipid quality indices [PDF]

Caspian Journal of Environmental Sciences, 2021
The objective was to investigate the detailed information about proximate, fatty acid compositions and lipid quality indices in the caviar of wild and farmed beluga, Huso huso from Iran.
Shahrzad Barimani, Masoud Hedayatifard, Ali Motamedzadegan, Abbas Bozorgnia   +3 more
doaj   +1 more source

Detection and tracking of belugas, kayaks and motorized boats in drone video using deep learning1

Drone Systems and Applications, 2022
Aerial imagery surveys are commonly used in marine mammal research to determine population size, distribution and habitat use. Analysis of aerial photos involves hours of manually identifying individuals present in each image and converting raw counts ...
Madison L. Harasyn, Wayne S. Chan, Emma L. Ausen, David G. Barber   +3 more
doaj   +1 more source

Collaborative field research using drones for whale photo-identification studies in Cumberland Sound, Nunavut1

Drone Systems and Applications, 2022
In conducting Arctic field research, hiring local field guides has long been a necessity for providing field teams with local knowledge and fundamental needs of boat operation and navigation, general field logistics/safety, and traditional ecological ...
Brent G. Young, William R. Koski, Ricky Kilabuk, Cortney A. Watt, Kasey P. Ryan, Steven H. Ferguson   +5 more
doaj   +1 more source

Serological Detection of Marine Origin Brucella Exposure in Two Alaska Beluga Stocks

Animals, 2022
Among emerging threats to the Arctic is the introduction, spread, or resurgence of disease. Marine brucellosis is an emerging disease concern among free-ranging cetaceans and is less well-studied than terrestrial forms.
Laura A. Thompson, Caroline E. C. Goertz, Lori T. Quakenbush, Kathy Burek Huntington, Robert S. Suydam, Raphaela Stimmelmayr, Tracy A. Romano   +6 more
doaj   +1 more source

Cementum structure in Beluga whale teeth [PDF]

Acta Biomaterialia, 2017
A large fraction of the volume of Beluga whale (Delphinapterus leucas) teeth consists of cementum, a mineralized tissue which grows throughout the life of the animal and to which the periodontal ligaments attach. Annular growth bands or growth layer groups (GLGs) form within Beluga cementum, and this study investigates GLG structure using X-ray ...
S R, Stock, L A, Finney, A, Telser, E, Maxey, S, Vogt, J S, Okasinski   +5 more
openaire   +2 more sources

To take or not take? Examination of the status quo process for issuing take authorizations of endangered Cook Inlet beluga whales and implications for their recovery

Conservation Science and Practice, 2022
Endangered Cook Inlet beluga whales' (CIBWs; Delphinapterus leucas) abundance has declined nearly 80% since the 1970s, and continues to decline 2.3% annually with less than 300 whales remaining. Despite the Marine Mammal Protection Act and the Endangered
Mandy Migura, Celeste Bollini
doaj   +1 more source

When research relies on wildlife samples obtained from communities: a case study on local cultural contexts of beluga whale (Delphinapterus leucas) harvesting in Tuktoyaktuk, NT and Arviat, NU

Arctic Science
Each community across Inuit Nunaat has specific histories, geography, and cultural norms or practices when it comes to beluga (Delphinapterus leucas) harvesting.
E. Sudlovenick, V. Pokiak, L. Loseto
doaj   +1 more source