Results 101 to 110 of about 341,320 (151)

Programa de Evolución

, 2020
Presentar una visión general actualizada de la teoría de la evolución, con énfasis en los mecanismos de la evolución. Discutir las relaciones entre los procesos evolutivos a diferentes niveles de organización biológica.

core  

Primeros registros del colibrí aliazul, Pterophanes cyanopterus (Fraser,1839), (Apodiformes, Trochilidae) en el departamento de Antioquia, Colombia

Biota Colombiana, 2018
Se registra por primera vez al colibrí aliazul (Pterophanes cyanopterus) en el departamento de Antioquia, en dos localidades del municipio de Sonsón (Cerro Las Palomas y Cerro La Vieja) ampliando la distribución de la especie 66 km hacia el norte en la ...
Sergio Chaparro-Herrera, Paola Montoya, Héctor Fabio Herrera, Juan Luis Parra   +3 more
doaj   +1 more source

Evolución de la estrategia y la estructura de la gran empresa española: Análisis comparado con la evidencia europea

Revista Galega de Economía, 2014
Este trabajo analiza la evolución de la estrategia corporativa y la estructura organizativa de 100 de los mayores grupos empresariales españoles durante el período 1993-2003, con el fin de ofrecer una comparación con otros contextos. Los resultados muestran que la tendencia es similar a la observada en Europa, aunque en España todavía es menos ...
openaire   +1 more source

What Is the Acheulean?

Evolutionary Anthropology: Issues, News, and Reviews, Volume 35, Issue 2, June 2026.
ABSTRACT The Acheulean represents the longest cultural period known to human history, lasting globally for more than 1.75 million years. It may have emerged as early as 1.95 Ma in Africa, spreading throughout much of the continent and then into Eurasia and lasting up to 350–200 ka in western Europe and South Asia, and even later in eastern Asia ...
Marie‐Helene Moncel, Carolina Cucart‐Mora, Marta Arzarello, Nick Ashton, Javier Baena, Deborah Barsky, Ignacio de la Torre, Nena Galanidou, Paula García‐Medrano, Christine Hertler, Gadi Herzlinger, Thomas Ingicco, Hao Li, Dongdong Ma, Marina Mosquera, Andreu Ollé, Shanti Pappu, Shuwen Pei, Chun Tian, Wei Wang, Christopher J. Bae   +20 more
wiley   +1 more source

The Prohibition of Approach in Child‐To‐Parent Violence: Between the Protection of the Victim and the Preservation of the Family Bond

Journal of Investigative Psychology and Offender Profiling, Volume 23, Issue 2, June 2026.
ABSTRACT This research analyses the legal and emotional tension that emerges when the measure of prohibition of approach is applied in cases of child‐to‐parent violence (CPV). Through a bibliographic review and a qualitative case‐study analysis, the paradox between the protection of victimised parents and the preservation of the family bond is examined.
Alfredo Abadías‐Selma
wiley   +1 more source

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

Epistemic opacity in Antarctic science: Unknowing the last frontier

People and Nature, Volume 8, Issue 6, Page 1641-1647, June 2026.
Abstract Antarctica is facing intensifying pressures from climate change, industrial fishing, tourism and renewed geopolitical competition, even as scientific activity on the continent reaches unprecedented levels. We argue that this proliferation of research often fails to deliver the integrated, policy‐relevant knowledge needed for precautionary ...
Virginia Morandini, Álvaro Soutullo
wiley   +1 more source

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  

Governing by Ambiguity: Sociotechnical Imaginaries of Platforms in China

Policy &Internet, Volume 18, Issue 2, June 2026.
ABSTRACT Besides clear policy directives, the unresolved and open‐ended elements in policy communication also create discursive politics. This article argues that ambiguity in policy communication reflects the state's exercise of power within a fractured sociocultural landscape.
Fangyu Qing, Ngai Keung Chan
wiley   +1 more source

Temperature changes reveal different transcriptional responses in the larvae of the bark beetle Dendroctonus rhizophagus during the cold season

Scientific Reports
Bark beetle, Dendroctonus rhizophagus, colonises and kills healthy sapling pine trees in the Sierra Madre Occidental, Mexico. In the autumn, its fifth-instar larvae migrate to the host’s roots (hibernaculum) to overwinter; however, little is known about ...
Moises Becerril, Gerardo Zúñiga, Verónica Torres-Banda, María-Fernanda López, Claudia Cano-Ramírez, Gabriel Obregón-Molina, J. Manuel Quijano-Barraza   +6 more
doaj   +1 more source