Results 51 to 60 of about 2,114 (178)

Complex History of Organellar Introgression in Nothofagus Trees: Chloroplast and Mitochondrial Capture Facilitated by Natural Selection

Ecology and Evolution, Volume 16, Issue 6, June 2026.
Field photograph of an ancient Nothofagus tree covered with epiphytic lichens in the Patagonian temperate rainforest. This genus serves as a key model for investigating organellar introgression and evolutionary genomics in South America. ABSTRACT Hybridization is widespread across diverse groups of organisms, and in some cases, organellar genomes of ...
Gabriela Narváez, Marie‐Laure Guillemin, Francisco Sepúlveda‐Espinoza, Daly Noll, Rodrigo A. Gutiérrez, Verónica Arana, Nicolás Bellora, Francisco A. Cubillos, Juliana A. Vianna   +8 more
wiley   +1 more source

“The Future Is Ancestral”: The Environmental Cuir Utopias of Gabriela Cabezón Cámara

Future Humanities, Volume 4, Issue 1, May 2026.
ABSTRACT Argentinian author Gabriela Cabezón Cámara identifies as a “socio‐environmentalist and writer” and has been actively involved in the feminist movement #NiUnaMenos since 2015, alongside her growing engagement with environmental activism. She advocates for Indigenous land rights, water accessibility, and challenges offshore petroleum extraction ...
Victoria Jara
wiley   +1 more source

Ranunculus acris (Ranunculaceae), especie potencialmente invasora: confirmación de su presencia en Argentina y naturalización en Tierra del Fuego.

Boletín de la Sociedad Argentina de Botánica
Introducción y objetivos: la especie europea Ranunculus acris es invasora en el mundo, y ha sido citada para el noreste y sur de Argentina. Sin embargo, su presencia no es concluyente, no citándose en floras recientes del país.
Luciano Javier Selzer, Luciana Mestre
doaj   +1 more source

A 13,000‐Year Record of the Southern Hemisphere Westerlies Inferred From Pollen and Plant Wax Isotopes From the South Atlantic

Paleoceanography and Paleoclimatology, Volume 41, Issue 5, May 2026.
Abstract We compare a new pollen record with pre‐existing plant‐wax isotope data from lacustrine sediments retrieved from Mt. Usborne, East Falkland. These records document variations in plant productivity, wind intensity, and moisture availability, to measure the influence of the Southern Hemisphere Westerlies (SHW) over the last 13,000 years.
M. Spoth‐Ascencao, B. Hall, J. L. Gill, A. Diefendorf, T. Lowell, J. Russell, M. Corcoran, P. Brickle   +7 more
wiley   +1 more source

Mercado de trabajo fueguino y desigualdad de género. Análisis de los perfiles sociales y ocupacionales de las jefas y jefes de hogar en Tierra del Fuego, Antártida e Islas del Atlántico Sur. 2003-2015

Descentrada, 2020
La presente investigación consiste en una primera aproximación a la caracterización de los perfiles familiares y laborales de las jefaturas de los hogares de Tierra del Fuego durante el perí­odo 2003-2015.
Daniela S. Chamorro, Lucila M Ochoa
doaj   +1 more source

Exploraciones Micológicas en Tierra del Fuego Mycological explorations in Tierra del Fuego

Boletín de la Sociedad Argentina de Botánica, 2007
Se narran las expediciones marítimas y terrestres en Tierra del Fuego durante los siglos XIX y XX, desde el punto de vista de la exploración micológica cuyos resultados han sido vertidos en publicaciones, destacando las expediciones argentinas. Contiene mapas con las principales expediciones argentinas.
Irma J. Gamundí, Victoria Amos
openaire   +1 more source

Relative Sea‐Level Change, Tidal Evolution and Energy Dissipation Across the Patagonian Shelf Since the Last Glacial Maximum

Paleoceanography and Paleoclimatology, Volume 41, Issue 5, May 2026.
Abstract Tides play a key role in regulating shelf‐sea environments, influencing sediment dynamics, habitat distribution, long‐term carbon burial, coastal hazards, and water quality, with important socio‐economic consequences. Yet the long‐term evolution of shelf sea tides in response to sea‐level change remains poorly understood. We have developed the
S. L. Ward, S. L. Bradley, S‐B. Wilmes, Z. A. Roseby, J. A. M. Green, P. E. Robins, C. M. Roberts, J. D. Scourse   +7 more
wiley   +1 more source

Análisis de la acuicultura de salmónidos intensiva de gran escala en el Canal Beagle como estrategia para el desarrollo de Tierra del Fuego

Estudios Económicos, 2020
La posibilidad de radicar proyectos de acuicultura con salmones del Atlántico en las costas argentinas del canal Beagle pone de manifi esto tensiones entre diferentes estrategias de desarrollo.
Juan Ignacio Garcia, Carolina Herandez, Silvina Alejandra Romano   +2 more
doaj   +2 more sources

Contrasting Dispersal Patterns of Co‐Occurring Benthic Sister Sea Star Labidiaster Species (Asteroidea: Heliasteridae) in the Southern Ocean

Ecology and Evolution, Volume 16, Issue 4, April 2026.
This study aimed to employ genetic methods to analyze the phylogeny, species boundaries, population structure, demographic history and genetic connectivity for Southern Ocean sea stars, Labidiaster radiosus and L. annulatus. A sister‐species relationship was revealed between L. radiosus and L.
Nicola Rodewald, Nerida G. Wilson, Sally C. Y. Lau, Jan M. Strugnell   +3 more
wiley   +1 more source

Marine trophic architecture and hidden ecological connections in the Strait of Magellan: keystone species and ecosystem resilience

Oikos, Volume 2026, Issue 4, April 2026.
Understanding the ecological implications of species coexistence is central to biodiversity studies and to identify environmental and anthropogenic drivers of ecosystem dynamics, where ecological network analysis offers valuable insights. This study examines the complexity, structure, and potential responses to disturbances of the Strait of Magellan's ...
Claudia D. Andrade, Taryn Sepúlveda, Cristóbal Rivera, Cristian Aldea, Tomás I. Marina   +4 more
wiley   +1 more source