Results 11 to 20 of about 2,545 (207)

Intraspecific variation of cochlear morphology in bowhead and beluga whales. [PDF]

open access: yesAnat Rec (Hoboken)
Abstract The bony labyrinth of the petrosal bone, a distinctive feature of mammal skulls, is often identified in micro‐computed tomography imaging to infer species' physiological and ecological traits. When done as part of a comparative study, one individual specimen is normally considered representative of a species, and ...
Peacock J, Thewissen JGM.
europepmc   +4 more sources

Improved Beluga Whale Optimization for RFID Network Planning [PDF]

open access: yesJisuanji 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   +2 more sources

First recorded ice entrapment of a beluga whale (Delphinapterus leucas) in east Greenland

open access: yesPolar Research
Beluga whales are rare along the coast of east Greenland and the closest recognized stock occurs around Svalbard. Here we report on an ice entrapment of an adult beluga whale (Delphinapterus leucas) in north-east Greenland.
Kristin L. Laidre   +4 more
doaj   +2 more sources

Relation between beluga whale aggregations and sea temperature on climate change forecasts [PDF]

open access: yesFrontiers in Marine Science
Climate change has been shown to alter the spatial distribution of whales and other marine mammals. Fast changing ocean temperatures may also affect the spatial distribution of whales at a finer scale, namely within populations, including aggregation ...
Marga L. Rivas   +2 more
doaj   +2 more sources

AMBWO: An Augmented Multi-Strategy Beluga Whale Optimization for Numerical Optimization Problems [PDF]

open access: yesBiomimetics
Beluga whale optimization (BWO) is a swarm-based metaheuristic algorithm inspired by the group behavior of beluga whales. BWO suffers from drawbacks such as an insufficient exploration capability and the tendency to fall into local optima.
Guoping You   +3 more
doaj   +2 more sources

Inuvialuit traditional ecological knowledge of beluga whale (Delphinapterus leucas) under changing climatic conditions in Tuktoyaktuk, NT

open access: yesArctic Science, 2018
This paper documents Inuvialuit traditional ecological knowledge of beluga, including ecology and behavior, hunting techniques, and food preparation under changing climatic conditions in Tuktoyaktuk, NT.
Devin Waugh   +5 more
doaj   +2 more sources

Estimating beluga whale abundance from space: using drones to ground‐validate VHR satellite imagery

open access: yesRemote Sensing in Ecology and Conservation
Routine monitoring of cetaceans is imperative for understanding their population trends and making informed management decisions. However, the inherent nature of cetaceans and the marine ecosystems they inhabit make annual population surveys logistically
Jordan B Stewart   +2 more
exaly   +2 more sources

Economic load dispatch solution of large-scale power systems using an enhanced beluga whale optimizer

open access: yesAlexandria Engineering Journal, 2023
The aim of the optimization economic load dispatch (ELD) problem is to assign the optimal generated power of the thermal units for cost reduction with satisfying the loading of the operational constraints.
Mohamed H. Hassan   +4 more
doaj   +2 more sources

Imitation of Novel Intransitive Body Actions in a Beluga Whale (Delphinapterus leucas): A "Do as Other Does" Study. [PDF]

open access: yesAnimals (Basel), 2023
Cetaceans, including beluga whales, are known for their unique habits and behaviors that they display within their social groups, such as group-specific tactics or vocalizations.
Zamorano-Abramson J   +1 more
europepmc   +2 more sources

Trajectory Planning of Spraying Robot Based on Multi Strategy Improved Beluga Optimization Algorithm [PDF]

open access: yesSensors
In this paper, a trajectory planning method based on an improved beluga whale optimization algorithm is proposed for the trajectory planning of plasma-spraying robot with complex surfaces. Firstly, the system architecture, kinematics model and trajectory
Yifang Wen, Renzhong Wang, Ting Huang
doaj   +2 more sources

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