Results 111 to 120 of about 7,970 (263)

Social-ecological changes and implications for understanding the declining beluga whale (Delphinapterus leucas) harvest in Aklavik, Northwest Territories

open access: yesArctic Science, 2020
Subsistence is the basis for food access for Inuvialuit in the western Canadian Arctic and has strong economic, dietary, and cultural importance. Inuvialuit harvest beluga whale (Delphinapterus leucas (Pallas, 1776)) from the eastern Beaufort beluga ...
Elizabeth Worden   +5 more
doaj   +1 more source

Herpes virus infection associated with interstitial nephritis in a beaked whale (Mesoplodon densirostris) [PDF]

open access: yes, 2012
Background The capacity for herpesvirus to cause disease in cetaceans is unclear and may be varied depending on the different conditions of individuals and between different species. Kidney pathology and intralesional virus-associated infection have been
Manuel Arbelo   +8 more
core   +2 more sources

Physical constraints of cultural evolution of dialects in killer whales [PDF]

open access: yes, 2016
Data collection was supported by a variety of organizations, including the Russian Fund for the Fundamental Research (Grant No. 15-04-05540), the Rufford Small Grants Fund, Whale and Dolphin Conservation, the Fundação para a Ciência e a Tecnologia (Grant
Bickford A.   +17 more
core   +1 more source

Abundance of harbor porpoise (Phocoena phocoena) in three Alaskan regions, corrected for observer errors due to perception bias and species misidentification, and corrected for animals submerged from view [PDF]

open access: yes, 2010
Estimating the abundance of cetaceans from aerial survey data requires careful attention to survey design and analysis. Once an aerial observer perceives a marine mammal or group of marine mammals, he or she has only a few seconds to identify and ...
Hobbs, Roderick C., Waite, Janice M.
core  

Preliminary study of discrimination of human vocal commands in walrus (Odobenus rosmarus divergens) [PDF]

open access: yes, 2020
Walruses seem to use various acoustic signals in social context. So, the auditory faculty is seems to be important for walruses. Can walruses understand another animals' vocal information using auditory sense?
Ashikari, Harumasa   +7 more
core  

Research on multiobjective capacity configuration optimization of grid‐connected wind–solar–storage microgrid system based on improved BWO algorithm

open access: yesEnergy Science & Engineering
How to effectively utilize renewable energy and improve the economic efficiency of microgrid system and its ability to consume renewable energy has become one of the main problems facing China at present.
Ziheng Wang   +5 more
doaj   +1 more source

Multi-objective optimization design of anti-roll torsion bar using improved beluga whale optimization algorithm [PDF]

open access: yesRailway Sciences
Purpose – This study aims to reduce the redundant weight of the anti-roll torsion bar brought by the traditional empirical design and improving its strength and stiffness.
Yonghua Li   +3 more
doaj   +1 more source

Naive bayes classifier for automatic analysis of beluga whale songs [PDF]

open access: yes, 2011
Peer ...
Lara, Guillermo   +2 more
core   +1 more source

Establishing death in stranded Odontocetes (toothed whales) using other mammals : a pilot study : a thesis presented in partial fulfillment of the requirements for the degree of Master of Science in Zoology at Massey University [PDF]

open access: yes, 2003
The aim of this study was to investigate and evaluate a new method for determining death in stranded odontocetes (toothed whales). The new method was using the pulsations seen in the retinal blood vessels in the place of the heart rate. The retinal blood
Paul, Katherine A
core  

Collaborative Optimization of Air Compressor Units Based on MSI-BWO Algorithm

open access: yesIEEE Access
To improve the operational efficiency of compressor units and reduce waste, a Multi-Strategy Improved Beluga Whale Optimization (MSI-BWO) algorithm is proposed for the collaborative combination optimization of compressor units in an air compressor plant.
Lei Chen   +4 more
doaj   +1 more source

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