Results 31 to 40 of about 16,641 (277)

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

Development and Validation of the Short-Form BrainOK: An Efficient Digital Screening Tool for Mild Cognitive Impairment

Diagnostics
Background/Objectives: Population aging requires scalable approaches for early identification of cognitive decline, particularly mild cognitive impairment (MCI). Although the full 11-task BrainOK smartphone assessment showed excellent discrimination (AUC
Hyeyeoun Joo, Ye-jin Kim, Seungbo Lee, Jin-Young Min, Kyoung-Bok Min   +4 more
doaj   +1 more source

Beluga whale (Delphinapterus leucas) vocalizations and call classification from the eastern Beaufort Sea population [PDF]

, 2015
Funding was provided by the Bureau of Ocean Energy Management under InterAgency Agreement M09PG00016. E.C.G. was supported by a National Research Council (National Academy of Sciences) Postdoctoral Fellowship.Beluga whales, Delphinapterus leucas, have a ...
Berchok, Catherine, Castellote, Manuel, Garland, Ellen Clare   +2 more
core   +1 more source

Identification of two novel papillomaviruses in belugas

Frontiers in Microbiology, 2023
IntroductionPapillomaviruses (PVs) can cause hyperplasia in the skin and mucous membranes of humans, mammals, and non-mammalian animals, and are a significant risk factor for cervical and genital cancers.MethodsUsing next-generation sequencing (NGS), we identified two novel strains of papillomavirus, PV-HMU-1 and PV-HMU-2, in swabs taken from belugas ...
Youyou Li, Meifang Xiao, Yun Zhang, Zihan Li, Shijie Bai, Haoxiang Su, Ruoyan Peng, Gaoyu Wang, Xiaoyuan Hu, Xinran Song, Xin Li, Chuanning Tang, Gang Lu, Feifei Yin, Feifei Yin, Peijun Zhang, Jiang Du, Jiang Du   +17 more
openaire   +3 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

Young Belugas Diversify Adult Beluga (Delphinapterus leucas) Behavior

Animal Behavior and Cognition, 2015
Across the animal kingdom, immature animals are characterized by their playfulness and diversity of behavior, but are their actions enriching to adult conspecifics? The purpose of this study was to assess if beluga (Delphinapterus leucas) calves influenced the behavioral repertoire of adult conspecifics, specifically with regard to play behaviors ...
Heather Hill, Sara Guarino, Shirlee Crandall, Emily Lenhart, Sarah Dietrich   +4 more
openaire   +2 more sources

Photographic evidence of tagging impacts for two beluga whales from the Cumberland Sound and western Hudson Bay populations

Arctic Science, 2022
Beluga whale (Delphinapterus leucas (Pallas, 1776)) movements, habitat use, and diving behaviour have been studied using satellite-linked transmitters for decades.
Kasey P. Ryan, Stephen D. Petersen, Steven H. Ferguson, C-Jae C. Breiter, Cortney A. Watt   +4 more
doaj   +1 more source

Enhancing AIS to Improve Whale-Ship Collision Avoidance and Maritime Security [PDF]

, 2009
Whale-ship strikes are of growing worldwide concern due to the steady growth of commercial shipping. Improving the current situation involves the creation of a communication capability allowing whale position information to be estimated and exchanged ...
Fall, Kevin, McGillivary, Philip A, Schwehr, Kurt   +2 more
core   +2 more sources

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

A Case Study on Logical Relations using Contextual Types

, 2015
Proofs by logical relations play a key role to establish rich properties such as normalization or contextual equivalence. They are also challenging to mechanize.
Cave, Andrew, Pientka, Brigitte
core   +2 more sources