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Detected Shifts Towards Drought‐Adaptive Strategies in the Amazon Forest Over the Last Four Decades

open access: yesGlobal Change Biology, Volume 32, Issue 2, February 2026.
Amazon forests are facing hotter, drier conditions, and we used 40 years of satellite data to look for early signs of ecological change. Combining satellite observations with leaf measurements from more than 3000 trees, we show that many forests now show smaller dry‐season fluctuations in canopy colour—especially in the southern and eastern Amazon ...
Milton Barbosa   +7 more
wiley   +1 more source

Mottramita-descloizita en un yacimiento de caolín de la zona SE de Los Menucos (prov. de Río Negro) [PDF]

open access: yes, 2002
A mineral of the mottramite-descloizite series from the Blanquita deposit (Los Menucos, Province of Río Negro), was studied by means of X-ray diffiraction, petrographic microscope and SEM-EDX analysis.
Maiza, Pedro   +2 more
core  

La comprensión de estudiantes de primer año de universidad sobre el concepto de densidad. Análisis de entrevistas

open access: yesEducación Química
La densidad es un concepto inicial y básico en las ciencias experimentales. En este artículo se analizan y discuten los resultados obtenidos de entrevistas con protocolo pensando en voz alta sobre la comprensión del concepto de densidad.
Andrés Raviolo   +2 more
doaj   +1 more source

Spatio-temporal risk assessment models for Lobesia botrana in uncolonized winegrowing areas [PDF]

open access: yes, 2019
The objective of this work was to generate a series of equations to describe the voltinism of Lobesia botrana in the quarantine area of the main winemaking area of Argentina, Mendoza.
Aceñolaza, Pablo Gilberto   +2 more
core   +2 more sources

Ichthyological ecoregions of Argentina [PDF]

open access: yes, 2002
The Argentine Republic is situated in the southernmost portion of the American continent, occupying over 2,785,600 km2 not including the Antarctic territory. The country ranges from subtropical areas (21º46’S) to subantarctic regions (55º03’S), extending
López, Hugo Luis   +2 more
core  

Cyrilia sp. (Apicomplexa: Haemogregarinidae) in the Amazonian freshwater stingray Potamotrygon wallacei (cururu stingray) in different hydrological phases of the Rio Negro.

open access: yesBrazilian journal of biology = Revista brasleira de biologia, 2016
Intraerythrocytic parasites are frequently found in fish, including elasmobranchs. The Amazonian rivers present well defined annual hydrological cycles that results in drastic modifications of the environmental conditions with deep implications in the ...
Adriano Teixeira de Oliveira   +6 more
semanticscholar   +1 more source

El bagre marino (Genidens barbus) en el estuario del río Chubut: Un nuevo registro en la costa Patagónica Argentina

open access: yesGayana
El bagre marino (Genidens barbus) es una especie anádroma de Sudamérica, que se distribuye desde Brasil hasta Argentina. Se considera vulnerable por su baja fecundidad e incubación oral en machos, que migran a los estuarios para reproducirse.
Aime I. Funes   +3 more
doaj  

Firewood as a pathway for insectintroductions. What are the risks of ant invasions in Patagonia?

open access: yesEcología Austral, 2017
Firewood can act as a long-distance dispersal vector for wood-infesting insects both within and among countries. Recently, we detected the alien carpenter ant Camponotus mus in firewood transported from central Argentina to Patagonia.
Victoria Werenkraut   +4 more
doaj   +1 more source

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