Results 101 to 110 of about 1,575,655 (240)

The frequency and importance of polyploidy in tropical rainforest tree radiations

New Phytologist, Volume 249, Issue 4, Page 2103-2114, February 2026.
Summary The presence of more than two copies of the genome in an organism, termed ‘polyploidy’, is a crucial force in plant evolution, generating genetic, phenotypic and ecological diversity. [Correction added on 22 January 2026, after first online publication: the preceding sentence has been corrected.] The Amazonian tree flora is the most species ...
Rowan J. Schley, Rosalía Piñeiro, James A. Nicholls, Michelle L. Gaynor, Gwilym P. Lewis, Flávia Fonseca Pezzini, Kyle G. Dexter, Catherine Kidner, R. Toby Pennington, Alex D. Twyford   +9 more
wiley   +1 more source

Kunsia tomentosus (Rodentia: Cricetidae) [PDF]

, 2016
Kunsia tomentosus (Lichtenstein, 1830), the woolly giant rat, is a semifossorial cricetid typically associated with the Cerrado and Beni domains in central South America. Kunsia was recently revised and includes only 1 species.
Bezerra, Alexandra M. R., Pardiñas, Ulises Francisco J.   +1 more
core   +2 more sources

Examining the Perspectives of Key Stakeholders on the Problems, Policies, and Politics Regarding Accessing Psychedelic Interventions to Alleviate End‐of‐Life Distress

Politics &Policy, Volume 54, Issue 1, February 2026.
ABSTRACT Psychedelic interventions are not publicly available through Canada's healthcare system. Despite growing scientific evidence, public interest, and efforts to expand access to psychedelic therapies for end‐of‐life psychological suffering, Canadian policies remain restrictive.
Sarah Kratina, Robert Schwartz, Carol Strike, Chris Lo, Brian Rush   +4 more
wiley   +1 more source

Wind profile prediction using linear Markov chains: A linear algebra approach [PDF]

, 2018
To predict the future wind speed and wind direction is of relevance to the wind industry to maximize the power generation. In this regards, this article describes a methodology for the construction of predictive models based on linear Markov chains under
García Planas, María Isabel, Gongadze, Tornike   +1 more
core   +2 more sources

Evolución de modelos de negocio: Hacia una visión de la estrategia en términos de coherencia dinámica

Revista Galega de Economía, 2014
Este artículo empieza con una paradoja. Los modelos de negocio normalmente se asocian con cambio – especialmente cambio radical – pero a menudo el concepto se utiliza de forma estática para describir el modelo de negocio de una empresa. Después de aportar nuestra definición de modelo de negocio como combinación de recursos y competencias ...
openaire   +1 more source

Predadores de mosquitos [PDF]

, 2016
Fil: Fischer, Sylvia. Grupo de Estudio de Mosquitos. Instituto de Ecología, Genética y Evolución de Buenos Aires. Departamento de Ecología, Genética y Evolución. Facultad de Ciencias Exactas y Naturales. Universidad de Buenos Aires.
Byttebier, Barbara, Campos, Raúl Ernesto, Fischer, Sylvia   +2 more
core  

Slow recovery rates and spatial aggregation of Triatoma infestans populations in an area with high pyrethroid resistance in the Argentine Chaco

Parasites & Vectors
Background The emergence of pyrethroid resistance has threatened the elimination of Triatoma infestans from the Gran Chaco ecoregion. We investigated the status and spatial distribution of house infestation with T.
María Carla Cecere, María Sol Gaspe, Natalia Paula Macchiaverna, Gustavo Fabián Enriquez, Alejandra Alvedro, Mariano Alberto Laiño, Julián Antonio Alvarado-Otegui, Marta Victoria Cardinal, Ricardo Esteban Gürtler   +8 more
doaj   +1 more source

Hemogregarine and Rickettsial infection in ticks of toads from northeastern Colombia

International Journal for Parasitology: Parasites and Wildlife, 2018
The toads Rhinella spp. are in constant contact with humans and domestic animals and are commonly parasitized by ticks, which are also potential vectors of pathogenic microorganisms, such as apicomplexans and rickettsia.
Andrea Cotes-Perdomo, Adriana Santodomingo, Lyda R. Castro   +2 more
doaj   +1 more source

Antioxidantes : historia y evolución [PDF]

, 2010
Fil: Rivarola, Emilce. Universidad Nacional de Cuyo. Facultad de Ciencias MédicasFil: Salomón, Susana Elsa. Universidad Nacional de Cuyo.
Rivarola, Emilce, Salomón, Susana Elsa
core  

Estudio morfométrico de la diferenciación en Acacia bonariensis y Acacia caven var. caven (Fabaceae) en dos reservas naturales

Boletín de la Sociedad Argentina de Botánica, 2021
Introducción y objetivos El género Acacia (Fabaceae) es de distribución pantropical y actualmente está compuesto por, aproximadamente, 1.450 especies en todo el mundo.
Carolina Luciana Pometti, Lucila Rajngewerc, Cecilia Bessega   +2 more
doaj