Results 71 to 80 of about 5,846 (224)

Nuevas evidencias sobre la organización espacial del asentamiento de la Edad del Cobre de Valencina de la Concepción: prospección geofísica entre La Pastora y Montelirio

open access: yesTrabajos de Prehistoria, 2012
El gran asentamiento de la Edad del Cobre de Valencina de la Concepción ha sido objeto de numerosas investigaciones a lo largo de más de un siglo. Estas investigaciones han dado lugar a un registro arqueológico heterogéneo particularmente difícil de ...
David Wheatley   +4 more
doaj   +1 more source

CD49a expression defines a metabolically robust, cytokine‐biased liver NK cell subset in rhesus macaques during lentivirus infection

open access: yesImmunology &Cell Biology, EarlyView.
Liver‐resident NK cells (CD49a+ NK cells) in rhesus macaques display distinct activating receptor and metabolic markers enhanced phenotype compared with hepatic NK cell subsets (CD49a−) in the liver. These cells exhibit heightened cytokine polyfunctionality with restrained cytotoxic responses upon mitogen stimulation in comparison with CD49a− NK cell ...
Andrew Hudson   +4 more
wiley   +1 more source

Primeros registros para Portugal del inductor de agallas foliares Cystiphora sonchi (Vallot, 1827) (Diptera: Cecidomyiidae) y algunas notas sobre su distribución en la Península Ibérica

open access: yesGraellsia, 2018
Un problema habitual en los estudios de zoología y ecología es la evaluación parcial de la distribución espacial actual de muchas especies, pues subestima su distribución real al estar basada en los registros de naturalistas y de museos.
Francisco A. López-Núñez   +2 more
doaj   +1 more source

Analysing the Ecological Requirements of the Australian Tortoise Beetle Trachymela sloanei (Blackburn, 1897) (Coleoptera: Chrysomelidae) to Determine the Prospects for Its Invasion Process

open access: yesJournal of Applied Entomology, EarlyView.
ABSTRACT Invasive species pose a serious threat to biodiversity and result in significant economic costs. Although much effort is devoted to understanding invasive processes, some aspects are poorly understood, such as the early stages of invasions and the reasons for invasion failure.
Francisco Valera   +3 more
wiley   +1 more source

Morphological study of the supratrochlear foramen in Canis lupus ssp.

open access: yesJournal of Anatomy, EarlyView.
The supratrochlear foramen (STF) is a common anatomical feature in the humeri of dogs and wolves. This study shows that the STF exhibits a consistent shape and position in dogs and wolves, suggesting a common morphological pattern; however, it was less frequent in smaller dog humeri, and its size correlated with humeral dimensions, suggesting that ...
Mariana Batista   +9 more
wiley   +1 more source

Contrasting mechanisms driving the northward expansion of African raptors in Europe

open access: yesJournal of Zoology, EarlyView.
Recent climate warming and landscape changes are enabling African raptors to reach Europe through contrasting mechanisms. Using species distribution models, we show that the Atlas Long‐legged Buzzard expands northward following climatic suitability, whereas African vultures reach Europe despite low climatic favourability through socially mediated ...
A.‐R. Muñoz   +3 more
wiley   +1 more source

Climatology and reconstruction of runoff time series in northwest Iberia: influence in the shelf buoyancy budget off Ría de Vigo

open access: yesScientia Marina, 2010
River runoff off northwest Iberia generates a low-density buoyant structure with a strong influence on shelf and coastal circulation. This study estimates the runoff to the shelf of the ten largest rivers in the region based on the furthest downstream ...
Pablo Otero   +3 more
doaj   +1 more source

A STEP IN STONE. ONTOLOGIES OF PODOMORPHIC PETROGLYPHS IN SOUTHERN SCANDINAVIAN BRONZE AGE

open access: yesOxford Journal of Archaeology, EarlyView.
Summary During the Bronze Age, a particular type of podomorphic petroglyph was produced on the outcrops by the sea in southern Scandinavia. In this text, their distribution, organization and articulation are analyzed in the Mälaren region of central‐eastern Sweden.
Fredrik Fahlander
wiley   +1 more source

Ibero‐Balearic plant disjunctions: genomic support for rapid and recurrent long‐distance colonizations of the endangered Diplotaxis ibicensis (Brassicaceae) despite no dispersal syndromes

open access: yesPlant Biology, EarlyView.
Genotyping‐by‐sequencing data reveal six well‐defined clades in the endangered Diplotaxis ibicensis, endemic to the western Mediterranean Basin and indicate rapid and recurrent long‐distance colonisations across the Balearic Islands and the eastern Iberian coast despite the absence of dispersal syndromes.
L. Bezares   +6 more
wiley   +1 more source

Ecological niches and biogeography of nitrogen‐fixing plants in Europe

open access: yesPlant Biology, EarlyView.
Despite sharing N fixation as a common trait, European legume and actinorhizal plant lineages occupy strikingly divergent ecological niches shaped by their evolutionary histories and physiological adaptations. Advanced symbiont control allows IRLC legumes to expand into northern, mesic regions, while non‐IRLC legumes are more common in Mediterranean ...
N. Fahs   +9 more
wiley   +1 more source

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