Results 51 to 60 of about 13,443 (212)

Experimental Evaluation and Optimisation of Sealed‐Tube Combustion Methods for Silicate Nitrogen Extraction

open access: yesRapid Communications in Mass Spectrometry, Volume 41, Issue 1, 15 January 2027.
ABSTRACT Rationale Nitrogen (N) abundance and isotopic compositions in silicate rocks are commonly measured by sealed‐tube continuous‐flow isotope ratio mass spectrometry (CF‐IRMS), but combustion protocols vary widely. It remains uncertain how the quality of data obtained from different published methods compares for differing sample types. Methods To
Fawn S. M. Holland   +4 more
wiley   +1 more source

Community directed assessment of pain in a northern Saskatchewan Cree community

open access: yesInternational Journal of Circumpolar Health
Indigenous Elder advisors in Pelican Narrows, a Cree community in Northern Saskatchewan, have indicated that Western pain scales may not be responsive tools for pain assessments within their community.
Tayah Zhang   +6 more
doaj   +1 more source

Acute toxicity of fine and coarse copper sulfate crystals to planorbid snails in experimental catfish ponds

open access: yesJournal of the World Aquaculture Society, Volume 57, Issue 6, December 2026.
Abstract Bolbophorus damnificus, a digenetic trematode infecting ictalurid catfish, causes substantial economic losses in commercial aquaculture through a parasite‐induced anemia, leading to poor performance and increased susceptibility to secondary bacterial infections.
Kevin C. Wise   +8 more
wiley   +1 more source

Influence of Foraging Effort and Diet on Maternal Energy Stores and Offspring Weaning Mass in Gray Seals (Halichoerus grypus)

open access: yesEcology and Evolution, Volume 16, Issue 11, November 2026.
Understanding how foraging behavior and diet influences individual reproductive success is a key interest in evolutionary ecology. Using data collected from female gray seals (Halichoerus grypus) at Sable Island, Canada, between 1995 and 2018, we tested the hypothesis that differences in foraging behavior and diet prior to the breeding season ...
M. Henry‐Adams   +4 more
wiley   +1 more source

Explainable equivariant neural networks for particle physics: PELICAN

open access: yesJournal of High Energy Physics
PELICAN is a novel permutation equivariant and Lorentz invariant or covariant aggregator network designed to overcome common limitations found in architectures applied to particle physics problems.
Alexander Bogatskiy   +4 more
doaj   +1 more source

Osteological correlates of the respiratory and vascular systems in the neural canals of Mesozoic ornithurines Ichthyornis and Janavis

open access: yesThe Anatomical Record, Volume 309, Issue 10, Page 2725-2738, October 2026.
Abstract In birds, the neural canal houses a variety of anatomical structures including the spinal cord, meninges, spinal vasculature, and respiratory diverticula. Among these, paramedullary diverticula and the extradural dorsal spinal vein may leave behind osteological correlates in the form of pneumatic foramina and fossae, and a bilobed geometry of ...
Jessie Atterholt   +5 more
wiley   +1 more source

Combining radar and direct observation to estimate pelican collision risk at a proposed wind farm on the Cape west coast, South Africa.

open access: yesPLoS ONE, 2018
Pre-construction assessments of bird collision risk at proposed wind farms are often confounded by insufficient or poor quality data describing avian flight paths through the development area.
Andrew R Jenkins   +5 more
doaj   +1 more source

How wildlife respond to tropical cyclones: short‐term tactics and long‐term impacts

open access: yesBiological Reviews, Volume 101, Issue 5, Page 2081-2102, October 2026.
ABSTRACT From butterflies to lizards and from sharks to seabirds, wildlife exhibit tactics to survive the impacts of tropical cyclones, also known as hurricanes, cyclones, or typhoons depending on where they occur. Some species seek refuge during the storm by moving, some remain in place and ride it out, and others move longer distances, avoiding the ...
Erin L. Koen   +15 more
wiley   +1 more source

Helena - "Pelican" ferry boat

open access: yes, 2020
View of the "Pelican" at dock. Ferryboat transports trains across the Mississippi River at Helena. (Verso: Ark. Activities, organizations, etc. / Transportation River / The "Pelican" at dock.

core   +1 more source

Post-Breeding Dispersion and Migratory Routes of Dalmatian Pelican (Pelecanus Crispus), Great Cormorant (Phalacrocorax Carbo) and Eurasian Spoonbill (Platalea Leucorodia) from the North of Sinoe Lagoon (Danube Delta) [PDF]

open access: yesScientific Annals of the Danube Delta Institute, 2019
In the period 2003-2006, a series of bird markings were performed in nesting colonies from the northern part of the Sinoie lagoon in the Danube Delta Biosphere Reserve.
Kiss J. Botond   +4 more
doaj   +1 more source

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