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Twonative deer inhabit Uruguay: the pampas deer (Ozotoceros bezoarticus) and the gray brocket deer (Subulo gouazoubira). These taxa aremorphologically similar in shape and size, but there is limited knowledge abouttheir ...

Drought–flood abrupt alternation (DFAA) events, characterized by rapid transitions between drought and flood conditions, pose severe challenges to agricultural production, water resource management, and infrastructure ...

Six productive samples from the upper part of the Early Carboniferous Ambo Formation at Pongo de Mainique, Peru, are analyzed for 55 recognized miospore species of continental origin. One new morphospecies, Cristatispori...

Abstract In 2023, the world experienced its highest ever global mean surface temperature (GMST). Our study underscores the pivotal significance of El Niño and sea surface temperature (SST) warming as the fundamental cau...

Equine Infectious Anemia Virus (EIAV), the causative agent of Equine Infectious Anemia (EIA), presents a significant threat to equine populations worldwide. While local EIAV prevalence has been estimated in several studi...

Abstract Background Adequate housing is a basic human right. The many millions of people experiencing homelessness (PEH) have a lower life expectancy and more physical and mental health problems. Practical and effective ...

Abstract Stuart Hall, a founding scholar in the Birmingham School of cultural studies and eminent theorist of ethnicity, identity and difference in the African diaspora, as well as a leading analyst of the cultural polit...

Abstract Anaplasma marginale is a vector-borne pathogen that causes a disease known as anaplasmosis. No sequenced genomes of Brazilian strains are yet available. The aim of this work was to compare whole genomes of Brazi...

Abstract Atmospheric rivers cause extreme precipitation and sustain water resources in the western United States. Their occurrence has often been attributed to extratropical cyclones. Here, we apply a recently proposed m...

Historically, Indigenous women have been the target of violence at an alarming rate compared to the non-Indigenous population. This work explores how Indigenous women have used the United Nations Declaration on the Right...

Sexual offender treatment programs to reduce reoffending have been implemented in many countries as part of a strategy in managing this offender group. However, there are still controversies regarding their effectiveness...

In order to assess the impact of sewage pollution on the diet of the strict detritivorous and migratory South American fish, Prochilodus lineatus, 16 sterol biomarkers were analyzed by gas chromatography-mass spectrometr...

El presente estudio trata sobre la bioestratigrafía de conodontes del tramo medio-superior de la Formación San Juan (Ordovícico Inferior-Medio), en la sección expuesta en la quebrada Los Gatos, ubicada en la vertient...

The fossil record of New World vultures (Cathartidae) and hawks (Accipitridae) in South America is extensive but still remains patchy, with relatively few records coming from northern South America. The aim of the presen...

In the Americas, the number of confirmed malaria cases decreased by 65.4% between 2000 and 2023, and malaria elimination is now in sight for many countries. Argentina is currently free of autochthonous malaria transmissi...

Background Strongyloidiasis and Chagas disease are endemic in northern Argentina. In this study we evaluate the association between S. stercoralis and T. cruzi infections in villages with diverse prevalence levels for th...

The dinosaur record of the Salitral Moreno locality (Río Negro Province, Argentina) is characterized by a high diversity of herbivore taxa, among them hadrosaurs, ankylosaurs, and titanosaur sauropods, but carnivores ar...

Temperate forests play an important role in the global carbon (C) cycle. Extensive research on litter decomposition in temperate forests in the Northern Hemisphere have greatly contributed to our conceptual framework of ...

Abstract Background Diabetes is a leading cause of mortality globally and ranks as the eighth leading cause of death in the United States. Affecting approximately 8.9% of Americans, diabetes imposes a substantial public ...

Las rocas máfico-ultramáficas son muy abundantes en Cuba a lo largo de unos 200 km del margen septentrional que deben su origen a una corteza oceánica, compuesta por serpentinitas, gabros, diabasas y basaltos conocido...

Effects of Pleistocene climatic oscillations on plant phylogeographic patterns are relatively well studied in forest, savanna and grassland biomes, but such impacts remain less explored on desert regions of the world, es...

On the basis of their thermal preferences, salmon introduced in South America can distribute over the whole Southern Patagonian Shelf Ecosystem (SPSE). Stable isotope (δ13C and δ15N) data show that the SPSE is dominate...

The traditional view of colonization of the Americas as a migration across Beringia and subsequent dispersal southward following the last glacial maximum is being increasingly questioned. In North America, archaeological...

The subfamily Tremarctinae (Ursidae: Camivora), distributed exclusively in America, comprises five genera: Plionarctos from the upper Pliocene of North America, Arctodus, that groups the two North American species; Arcto...