Results 61 to 70 of about 7,982 (195)

Centralismo y descentralización en el Plata aproximaciones

open access: yesTemas de Historia Argentina y Americana, 2005
A partir de un análisis comparativo entre los Virreinatos de Nueva España y el Río de la Plata, este artículo se propone encontrar las características distintivas del Río de la Plata, con el fin de responder tres interrogantes capitales: Cuál fue la ...
Edberto Oscar Acevedo
doaj  

Potential distribution and susceptibility of Coffea arabica L. to climate change impacts

open access: yesPLANTS, PEOPLE, PLANET, Volume 8, Issue 2, Page 693-711, March 2026.
Ecological niche models (ENMs) are vital for understanding the impact of historical factors on ecosystems and predicting future climate change scenarios. These models help assess how environmental shifts affect agricultural species like coffee, which supports millions of people globally.
Yuliana Grisel García‐Martínez   +1 more
wiley   +1 more source

Brazil's Invisible Invaders: Are Craspedacusta Jellyfish a Ticking Ecological Bomb?

open access: yesAustral Ecology, Volume 51, Issue 3, March 2026.
ABSTRACT The invasive freshwater jellyfish Craspedacusta sowerbii, likely of Asian origin, is globally distributed, yet its invasion history in South America remains poorly understood. Following a mass mortality event of tilapia (Oreochromis niloticus) during a jellyfish bloom in Paraná, Brazil, in March 2022, we conducted morphological and molecular ...
Luana Maria Deoclécio da Silva   +7 more
wiley   +1 more source

Depositional Interplay Between the Ancestral Rocky Mountains and Ouachita–Marathon–Sonora Orogenies: Insights From Provenance Records in the Late Palaeozoic Marfa Basin, West Texas, USA

open access: yesBasin Research, Volume 38, Issue 2, March/April 2026.
Provenance records from the late Palaeozoic Marfa Basin in West Texas reveal the transition from the Ancestral Rocky Mountains to the Ouachita–Marathon–Sonora orogenies during the early Permian in SW Laurentia. ABSTRACT The Marfa Basin in West Texas is a late Palaeozoic synorogenic depocenter associated with regional deformation linked to the Ancestral
Sandra Juárez‐Zúñiga   +3 more
wiley   +1 more source

Estimating costs of ecological restoration across degradation scenarios in South Brazilian grasslands

open access: yesRestoration Ecology, Volume 34, Issue 3, March 2026.
Abstract Introduction Grassland ecosystems are among the most threatened worldwide, and the Campos Sulinos—a region of subtropical grasslands in southern Brazil—experiences degradation driven by multiple factors. This study provides initial cost estimates for different restoration approaches, offering guidance for technical and budgetary planning ...
Thais Michel   +2 more
wiley   +1 more source

Políticas, levantamientos y relaciones de poder en las fronteras externas e internas en los albores del período borbónico. La actuación de Bruno Mauricio de Zabala, gobernador del Río de la Plata (1717-1735)

open access: yesMemoria Americana, 2015
El presente trabajo se propone analizar los principales conflictos de frontera que tuvieron lugar en la región del Río de la Plata y del Paraguay frente al avance de las potencias extranjeras, los grupos indígenas y la resistencia criolla de Asunción ...
Mercedes Avellaneda, Bettina Sidy
doaj  

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