Results 41 to 50 of about 105,450 (150)

Aplicação da biologia molecular em programas de conservação de recursos pesqueiros. [PDF]

open access: yes, 2013
Estudos genéticos em peixes; Marcadores moleculares; Eletroforese de proteínas; Seqüências de DNA como marcadores; Polimorfismo de comprimento de fragmentos de restrição (Restriction Fragment Length Polymorphism - RFLP); Polimorfismo de DNA amplificado ...
MARQUES, D. K. S.
core   +1 more source

Time to burn: landscape drivers of fuel trait variability and fire regime in savanna ecosystems

open access: yesOikos, Volume 2026, Issue 3, March 2026.
Fuel traits are important determinants of fire behavior and regime in savannas and, thus, of how fire affects plant communities. However, whether these traits are correlated, predictable and how they are influenced by biotic and abiotic drivers remain to be rigorously evaluated.
Waleska B. F. Manzan   +2 more
wiley   +1 more source

Record phenological responses to climate change in three sympatric penguin species

open access: yesJournal of Animal Ecology, Volume 95, Issue 3, Page 455-469, March 2026.
This paper is impressive because we managed to monitor extensively a really difficult place to reach and operate in. We deployed 77 cameras across Antarctica and the Sub Antarctic islands to monitor three different species of penguins. We found that they are the fastest advancing vertebrates with respect to their timing of breeding.
Ignacio Juarez Martinez   +8 more
wiley   +1 more source

All Social Comparisons are Local? Inequality, Coethnicity and Subjective Economic Position

open access: yesSwiss Political Science Review, Volume 32, Issue 1, Page 156-176, March 2026.
Abstract Recent studies have found that the self‐perceived, rather than the objective, economic position affects individual political behavior. But how do individuals self‐assess their own position? In this paper, we study how local conditions – local inequality and coethnicity – affect this self‐assessment.
Gerlinde Theunissen, Nils B. Weidmann
wiley   +1 more source

AVALIAÇÃO MULTITEMPORAL DAS PAISAGENS DA ÁREA DE PROTEÇÃO AMBIENTAL (APA) DOS MANANCIAIS DO CÓRREGO GUARIROBA, CAMPO GRANDE, MATO GROSSO DO SUL, POR MEIO DE IMAGENS DE SATÉLITES

open access: yes, 2017
A principal fonte de captacao superficial de agua que abastece a cidade de Campo Grande, Mato Grosso do Sul, e uma barragem no corrego Guariroba. Para preservar os recursos hidricos da regiao, em 1995 foi criada a Area de Protecao Ambiental (APA) dos ...
Ademir Kleber Morbeck Oliveira   +3 more
semanticscholar   +1 more source

El futuro de la comunicación [PDF]

open access: yes, 1984
Análisis de cómo se ha revolucionado la estructura de las comunicaciones a través del uso de satélites y de la introducción de las Comunicaciones ...
Martín Pereda, José Antonio
core   +1 more source

Unveiling the Crystal Structure of Sanidine: A Polarized Raman and Ab Initio Simulation Exploration

open access: yesJournal of Raman Spectroscopy, Volume 57, Issue 2, Page 227-238, February 2026.
This study combines polarized Raman spectroscopy and ab initio calculations to assign theoretical vibrational modes to observed spectra. Polarized Raman spectra were collected in six geometries (40–1200 cm−1). Theoretical predictions via DFT show good agreement with experiments, though some discrepancies point to influences like trace elements and ...
Michele Cassetta   +5 more
wiley   +1 more source

Las dinámicas socio-cognoscitivas en un sector conocimiento-intensivo. Nahuelsat S.A. (1993-2007)

open access: yesCiencia, Docencia y Tecnología, 2022
En este artículo se analizaron las dinámicas socio-cognoscitivas que favorecieron la emergencia y el desarrollo de la operación de satélites geoestacionarios a fines del siglo xx en Argentina.
Yamila Noely Cáceres
doaj   +1 more source

Servicio Web para satélites meteorológicos NOAA basado en receptor SDR

open access: yes, 2017
tener acceso a las imágenes meteorológicas ofrecidas por la serie de satélites NOAA activos. Para ello, ha sido necesario implementar un sistema de recepción de la señal APT (Automatic Picture Transmission), propia de los satélites NOAA, basado en ...
Jennifer López Morillas
semanticscholar   +1 more source

A multiscale seasonal examination of the risk of harm to seabirds from vessels based on co‐occurrence in Alaskan waters

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Alaska's seascape supports globally significant seabird populations, including vulnerable and threatened species, and hosts economically important commercial fisheries and marine transportation corridors. Seasonal patterns of seabird movements and vessel traffic create a complex landscape of risk, defined as high levels of co‐occurrence ...
Kelly Kapsar   +2 more
wiley   +1 more source

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