Results 41 to 50 of about 814,992 (234)
Escritos Contables y de Administración, 2022 Se presentan resultados de una investigación cuyo propósito fue analizar los factores que los/as estudiantes identifican como condicionantes para la demora en la obtención del título de grado de la carrera de Contador Público (CP) de la Universidad ...
Vanina Mercedes Nervi +1 more
doaj +1 more source
The Amazon's 2023 Drought: Sentinel-1 Reveals Extreme Rio Negro River Contraction
Remote SensingThe Amazon, the world’s largest rainforest, faces a severe historic drought. The Rio Negro River, one of the major Amazon River tributaries, reached its lowest level in a century in October 2023.
F. Wagner +5 more
semanticscholar +1 more source
Hybrid coastal edges in the Neuquén Basin (Allen Formation, Upper Cretaceous, Argentina) [PDF]
, 2015 The Allen Formation records the first Ingression Atlantic to the Neuquén Basin during the Late Cretaceous. The definition of lithofacies and facies associations interpretation for stratigraphic sections in Paso Córdoba and Salitral Moreno area, Río ...
Armas, María Paula +1 more
core +1 more source
Dissolved organic carbon from the upper Rio Negro protects zebrafish (Danio rerio) against ionoregulatory disturbances caused by low pH exposure. [PDF]
Sci Rep, 2016 The so-called “blackwaters” of the Amazonian Rio Negro are rich in highly coloured dissolved organic carbon (DOC), but ion-poor and very acidic, conditions that would cause fatal ionoregulatory failure in most fish.
Duarte RM, Smith DS, Val AL, Wood CM.
europepmc +2 more sources
The Anatomical Record, EarlyView.Abstract Dinosaurs evolved a unique respiratory system with air sacs that contributed to their evolutionary success. Postcranial skeletal pneumaticity (PSP) has been used to infer the presence of air sac systems in some fossil archosaurs. While unambiguous evidence of PSP is well documented in pterosaurs and post‐Carnian saurischians, it remains absent
Tito Aureliano +3 more
wiley +1 more source
Revista de la Facultad de Ciencias AgrariasClimate change is reducing forage availability for ruminants. Previous studies in Northern Patagonia, Argentina, have demonstrated the adaptation of the amaranth crop to these agroclimatic conditions under irrigation.
María Fany Zubillaga +5 more
doaj +1 more source
REMATEC. Revista de Matemática, Ensino e Cultura, 2021 Este trabajo se centra en el estudio de la geometría en la escuela secundaria. Recientes investigaciones manifiestan la pérdida de su presencia en el aula de matemática en este nivel y su estudio con poco sentido.
María de la Trinidad Quijano +1 more
doaj +1 more source
Estudo da variabilidade entomopatogênicos nematóides populações (Heterorhabditidae) da Argentin [PDF]
, 2016 Entomopathogenic nematodes (EPN) belonging to the Heterorhabditidae family are lethal parasites of soil-dwelling insects. Two species were reported in Argentina: Heterorhabditis argentinensis and Heterorhabditis bacteriophora characterized mainly by ...
Achinelly, Maria Fernanda +3 more
core +2 more sources
Feminist Anthropology, EarlyView.Abstract This article explores how Afro‐Brazilian communities in Pernambuco respond to state‐led industrial development through culturally rooted practices of resistance and repair. Drawing on archival and ethnographic research in the coastal municipalities of Cabo de Santo Agostinho and Ipojuca, this study traces the effects of Brazil's large‐scale ...
Shelly Annette Biesel
wiley +1 more source
Boletín de la Sociedad Argentina de Botánica, 2020 Introducción y objetivos: Ugni molinae (Myrtaceae) es una especie arbustiva nativa del sur de Chile − donde se la conoce como “murta” o “murtilla” − y de Argentina. Este estudio tiene como objetivo aportar información morfo-arquitectural de U. molinae, y
B. S Guenuleo +9 more
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