Results 61 to 70 of about 3,736 (169)

The Diversity of South American Equus: Did Size Really Matter?

open access: yesFrontiers in Ecology and Evolution, 2019
The extant horse genus Equus originated in North America, probably during the late Miocene/early Pliocene, and its entrance into South America was possibly related to one of the last four stages of the Great American Biotic Interchange.
Helena Machado   +2 more
doaj   +1 more source

The birth of an earth being: ‘Rights of nature’ in Brazilian Amazonia and elsewhere Naissance d'un être de la terre : « droits de la nature » en Amazonie brésilienne et ailleurs

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
In June 2023, the Laje River, located in the traditional territory of the Wari’ Indigenous people in Rondônia, Brazil, was declared a legal entity, an earth being, with rights, following the co‐ordinated action of an indigenous councillor and non‐indigenous activists.
Aparecida Vilaça
wiley   +1 more source

Availability of a Keystone Plant Resource Reduces Niche Overlap and Drives Distinct Species‐Specific Changes in Niche Breadth Among Small Rodents

open access: yesIntegrative Zoology, EarlyView.
We investigated how three rodent species respond to the seasonal availability of Araucaria angustifolia seeds. While Oligoryzomys spp. increased seed consumption and abundance during seed production, the more insectivorous Akodon paranaensis maintained a broader diet.
Adriana A. Perini, Emerson M. Vieira
wiley   +1 more source

Species Distribution Models Reveal the Resilience of Protected Areas for Conserving an Endemic Amazonian Canid

open access: yesAnimal Conservation, EarlyView.
This graphical abstract illustrates the impacts of climate change on the distribution of the Amazon‐endemic canid Atelocynus microtis, highlighting projected habitat loss under future scenarios (SSP2–4.5 and SSP5–8.5). Despite substantial reductions in suitable habitat, a significant proportion remains within Protected Areas, emphasizing their critical
Isabella Soares Moura Palha da Silva   +3 more
wiley   +1 more source

Understanding Mammalian Habitat Use With a Multi‐Species, Multi‐Scale Approach: The Jaguar Protection Corridor in Guaviare, Colombia

open access: yesAnimal Conservation, EarlyView.
We applied a multi‐scale, multi‐species framework to quantify how landscape structure and human infrastructure influence habitat use across a terrestrial mammal community within a biological corridor in the Colombian Amazon. Forest cover and spatial configuration influenced wildlife habitat use at spatial scales associated with species dispersal ...
Gabriel P. Andrade‐Ponce   +2 more
wiley   +1 more source

L’imaginaire littéraire des grands espaces d’Amérique du Sud, un imaginaire traumatique ? À la recherche de lucioles, d’astres et de la liberté dans les ténèbres

open access: yesBabel: Littératures Plurielles, 2019
In Vol de nuit (1931), the French writer Antoine de Saint-Exupéry tells the story of the accidents that occurred at the beginning of an Argentinian airmail service.
Céline Richard
doaj   +1 more source

Morphology of Guard Hairs in Amazonian Marsupials: Intergeneric Variation, Habitat and Habit Association in a Phylogenetic Framework of the Order Didelphimorphia

open access: yesActa Zoologica, EarlyView.
ABSTRACT The cuticle and medulla of guard hairs exhibit distinct morphological patterns among mammalian species. To investigate this variability in marsupials from the Brazilian Amazon, we analysed guard hairs from nine Didelphimorphia species and incorporated data from an additional 25 didelphid species.
Matheus M. Bitencourt   +4 more
wiley   +1 more source

Niche-dependent forest and savanna fragmentation in Tropical South America during the Last Glacial Maximum

open access: yesnpj Biodiversity
The refugia hypothesis, often used to explain Amazonia’s high biodiversity, initially received ample support but has garnered increasing criticism over time.
Douglas I. Kelley   +5 more
doaj   +1 more source

Using the capabilities approach to achieve people‐centered conservation

open access: yesConservation Biology, EarlyView.
Abstract Top‐down interventions carried out by state and nonstate institutions to conserve biodiversity and improve the lives of forest‐proximate people (FPP) in the Global South tend to reflect economistic understandings of human well‐being. More progressive and people‐centered conservation projects are guided by normative visions of how the world ...
Arthur Rodrigues   +4 more
wiley   +1 more source

Distribution models of polysphinctine parasitoid wasps (Hymenoptera: Ichneumonidae) reveal sampling bias and flag potentially overlooked host interactions

open access: yesInsect Conservation and Diversity, EarlyView.
We quantified the geographical overlap between parasitoid wasps and their known host spiders. We could assess which parasitoid species have more limited information about their interactions and are subject to geographical survey bias. We generated sampling bias maps to assist other researchers in identifying where the main sampling gaps are.
Gabriel M. Xavier   +3 more
wiley   +1 more source

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