Results 81 to 90 of about 28,004 (212)

Even-cycle decompositions of graphs with no odd-$K_4$-minor

open access: yes, 2017
An even-cycle decomposition of a graph G is a partition of E(G) into cycles of even length. Evidently, every Eulerian bipartite graph has an even-cycle decomposition.
Huynh, Tony   +2 more
core   +1 more source

Arctic‐breeding black‐legged kittiwakes show individual variation in foraging responses to glacial conditions without consequences for reproductive output

open access: yesOikos, Volume 2026, Issue 1, January 2026.
Behavioural plasticity is likely to influence how individuals continue to access resources under rapid climate change. Plasticity will be particularly important at highly dynamic, prey‐rich foraging areas such as upwelling fronts of marine‐terminating glaciers in the high Arctic, where profitability varies significantly across space and time ...
Frederick C. Mckendrick   +18 more
wiley   +1 more source

Determinación de los factores que inciden en la captura incidental de aves marinas en la flota palangrera pelágica chilena Determination of factors affecting the bycatch of seabirds in Chilean pelagic longline fleet

open access: yesLatin American Journal of Aquatic Research, 2012
Se analizó la relación entre la variabilidad de la tasa de captura incidental de aves marinas en la pesquería palangrera pelágica de pez espada (Xiphias gladius) y diversos factores temporales, ambientales, espaciales y pesqueros, entre 2007 y 2009.
Andrés González   +3 more
doaj  

Climatology of Medium‐Scale Traveling Ionospheric Disturbances Over Continental US Using GNSS TEC From 2012 to 2023

open access: yesJournal of Geophysical Research: Space Physics, Volume 131, Issue 1, January 2026.
Abstract Medium‐Scale Traveling Ionospheric Disturbances (MSTIDs) have long been a subject of interest in ionospheric research. However, their spatiotemporal variability across regions, local times, seasons, and solar cycles is very complicated and remains not well established.
Jing Liu   +4 more
wiley   +1 more source

A comparison of methods to evaluate energy expenditure of incubating wandering albatrosses [PDF]

open access: yes, 2001
Measurements of incubation energetics can vary depending on the method used to measure metabolism of an incubating bird. Therefore, we evaluated the energy expenditure of six male and four female wandering albatrosses (Diomedea exulans Linnaeus) using ...
Costa, D P   +2 more
core   +1 more source

Geometry for a `penguin-albatross' rookery [PDF]

open access: yes, 2014
We introduce a simple ecological model describing the spatial organization of two interacting populations whose individuals are indifferent to conspecifics and avoid the proximity to heterospecifics.
Giavazzi, Fabio, Vailati, Alberto
core   +2 more sources

Role of Large‐Scale Traveling Ionospheric Disturbances in the Positive Storm Phase Observed by the Millstone Hill Radar and GNSS TEC Measurements

open access: yesJournal of Geophysical Research: Space Physics, Volume 131, Issue 1, January 2026.
Abstract A moderate geomagnetic storm was driven by high‐speed solar wind stream on 14 March 2016. We show that large‐scale traveling ionospheric disturbances (LSTIDs) played a significant role in producing the ionospheric storm positive phase at mid‐latitudes in the North American sector.
G. P. Geethakumari   +8 more
wiley   +1 more source

The Federal Fisheries Service, 1871–1940: Its Origins, Organization, and Accomplishments [PDF]

open access: yes, 2004
The U.S. Fish Commission was initiated in 1871 with Spencer Fullerton Baird as the first U.S. Fish Commissioner as an independent entity. In 1903 it became a part of the new U.S. Department of Commerce and Labor and was renamed the Bureau of Fisheries, a
Cart, Theodore Whaley
core  

Evaluating the demographic impacts of the highly pathogenic avian influenza panzootic

open access: yesJournal of Applied Ecology, Volume 63, Issue 1, January 2026.
Our findings demonstrate that the HPAIV panzootic can cause rapid and long‐lasting impacts on the dynamics of long‐lived species. This raises major concerns for the conservation and long‐term viability of the many severely affected long‐lived species worldwide.
Jaume A. Badia‐Boher   +6 more
wiley   +1 more source

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