Results 41 to 50 of about 30,018 (306)

Divergent post-breeding spatial habitat use of Laysan and black-footed albatross

open access: yesFrontiers in Ecology and Evolution, 2022
Understanding the at-sea movements of wide-ranging seabird species throughout their annual cycle is essential for their conservation and management. Habitat use and resource partitioning of Laysan (Phoebastria immutabilis) and black-footed (Phoebastria ...
Fredrick Dallas Jordan   +13 more
doaj   +1 more source

Broader foraging range of ancient short-tailed albatross populations into California coastal waters based on bulk tissue and amino acid isotope analysis

open access: yesMarine Ecology Progress Series, 2019
The short-tailed albatross Phoebastria albatrus was nearly driven to extinction in the early 20th century, but is one of the most common seabirds found in coastal archaeological sites in Japan, the Aleutian Islands, and the Channel Islands off southern ...
N. Vokhshoori   +7 more
semanticscholar   +1 more source

Linking demographic processes and foraging ecology in wandering albatross—Conservation implications

open access: yesJournal of Animal Ecology, 2018
Population dynamics and foraging ecology are two fields of the population ecology that are generally studied separately. Yet, foraging determines allocation processes and therefore demography.
H. Weimerskirch
semanticscholar   +1 more source

Design and Simulation of Gradient Wind Gliding Bionic Vehicle [PDF]

open access: yesHangkong bingqi
One of the important ways to break the endurance bottleneck of aircraft is to apply the flight strategy of albatrosses obtaining energy from gradient wind fields to glide thousands of miles on aircraft.
Liu Jianhe, Wang Mengshuo, Liu Kun, Li Renshu, Huang Wei, Li Jiadong
doaj   +1 more source

Flight speed and performance of the wandering albatross with respect to wind

open access: yesMovement Ecology, 2018
BackgroundAlbatrosses and other large seabirds use dynamic soaring to gain sufficient energy from the wind to travel large distances rapidly and with little apparent effort.
P. Richardson   +2 more
semanticscholar   +1 more source

Wind field and sex constrain the flight speeds of central-place foraging albatrosses [PDF]

open access: yes, 2009
By extracting energy from the highly dynamic wind and wave fields that typify pelagic habitats, albatrosses are able to proceed almost exclusively by gliding flight.
Akira Fukuda   +12 more
core   +1 more source

Albatross as Sentinels of Heavy Metal Pollution: Local and Global Factors

open access: yesE3S Web of Conferences, 2014
Heavy metal pollution in the Pacific Ocean has garnered significant attention in recent years, especially with regard to rising mercury emissions from Asia.
Bank M.S.   +3 more
doaj   +1 more source

Label Relation Graphs Enhanced Hierarchical Residual Network for Hierarchical Multi-Granularity Classification [PDF]

open access: yesarXiv, 2022
Hierarchical multi-granularity classification (HMC) assigns hierarchical multi-granularity labels to each object and focuses on encoding the label hierarchy, e.g., ["Albatross", "Laysan Albatross"] from coarse-to-fine levels. However, the definition of what is fine-grained is subjective, and the image quality may affect the identification.
arxiv  

Low Temperature Decomposition of Polystyrene

open access: yesApplied Sciences, 2020
Styrene oligomers (SOs), of styrene (styrene monomer, SM), 1,3-diphenylpropane (styrene dimer, SD1), 2,4-diphenyl-1-butene (styrene dimer, SD2) and 2,4,6-triphenyl-1-hexene (styrene trimer, ST), had been detected in the natural environments far from ...
Hideki Kimukai   +6 more
doaj   +1 more source

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