Results 11 to 20 of about 150,001 (229)

Preliminary Appraisal of a Correlation Between Glaciations and Large Igneous Provinces Over the Past 720 Million Years

open access: yesGeophysical Monograph Series, Page 169-190., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Nasrrddine Youbi   +9 more
wiley  

+1 more source

Caciques, jesuitas y chamanes en la frontera sur de Buenos Aires (1740-1753)

open access: yesAnuario de Estudios Americanos, 2003
El artículo analiza la evolución de tres misiones fundadas por la compañía de Jesús al sur del río Salado, en la gobernación de Buenos Aires, entre los años 1741 y 1753.
Raúl Hernández Asensio
doaj   +1 more source

"Moreirismo in scena: el criollismo popular y el mundo operístico argentino hacia finales del siglo XIX"

open access: yesAnuario del Instituto de Historia Argentina, 2023
En el presente artículo nos disponemos a analizar una obra musical que emergió en un contexto de producción signado por el salto modernizador (Ludmer, 1999) de fines del siglo XIX: Pampa, de Arturo Beruti. Nuestra hipótesis planteará que esta ópera buscó
Ana Paula Martin
doaj   +1 more source

The fluctuating resource hypothesis explains invasibility, but not exotic advantage following disturbance [PDF]

open access: yes, 2018
Invasibility is a key indicator of community susceptibility to changes in structure and function. The fluctuating resource hypothesis (FRH) postulates that invasibility is an emergent community property, a manifestation of multiple processes that cannot ...
Cock, Marina Cecilia   +6 more
core   +2 more sources

Glyphosate and AMPA concentrations in wind-blown material under field conditions [PDF]

open access: yes, 2018
Agricultural intensification in fragile arid and semiarid environments has led to an increase in soil degradation, mainly through wind erosion. Argentina is an agricultural and cattle-farming country, which has increased its productivity in the last few ...
Aimar, Silvia Beatriz   +4 more
core   +1 more source

Características palinológicas y fisicoquímicas de tres tipos de mieles uniflorales del centro de Argentina [PDF]

open access: yes, 2006
Se estudiaron las características de 59 mieles monoflorales de Condalia microphylla Cav. (“piquillín”), Centaurea solstitialis L. (“abrepuño amarillo”) y Prosopis spp., provenientes de La Pampa, Argentina. Se determinaron caracteres polínicos (abundancia
Naab, O.A.   +2 more
core   +2 more sources

Rainfall extremes modeling under shortage of data and uncertainty in the Pampean region (Argentina)

open access: yesCuadernos de Investigación Geográfica, 2018
The assessment of the surface runoff capacity of storms is essential for the design of drainage infrastructure, for the management of rainfall excesses and the control of soil erosion. The knowledge of precipitation intensity values at scales larger than
M. Puricelli
doaj   +1 more source

Are Local Filters Blind to Provenance? Ant Seed Predation Suppresses Exotic Plants More than Natives [PDF]

open access: yes, 2014
The question of whether species’ origins influence invasion outcomes has been a point of substantial debate in invasion ecology. Theoretically, colonization outcomes can be predicted based on how species’ traits interact with community filters, a process
Bird, Benjamin B.   +3 more
core   +5 more sources

Procesos de subalternización de la población indígena en Argentina: los ranqueles en La Pampa, 1870-1970

open access: yesRevista de Indias, 2011
A partir de las campañas militares de 1878-1885, conocidas en Argentina como «Conquista del Desierto», las poblaciones indígenas ensayaron distintas estrategias para enfrentar las condiciones adversas y las políticas que pretendían su subalternización e ...
Claudia Salomón Tarquini
doaj   +1 more source

Ecological and Sociodemographic Determinants of House Infestation by Triatoma infestans in Indigenous Communities of the Argentine Chaco [PDF]

open access: yes, 2015
The Gran Chaco ecoregion, a hotspot for Chagas and other neglected tropical diseases, is home to >20 indigenous peoples. Our objective was to identify the main ecological and sociodemographic determinants of house infestation and abundance of Triatoma ...
Cardinal, Marta Victoria   +4 more
core   +3 more sources

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