Results 21 to 30 of about 121 (114)

Expelled by the Antarctic ice: Evolutionary history of the tribe Cunonieae (Cunoniaceae)

open access: yesJournal of Systematics and Evolution, Volume 63, Issue 6, Page 1441-1457, November 2025.
Fossil calibration reveals recent radiations and biogeographical history of the Cunonieae tribe. The most densely sampled phylogeny indicated Antarctica and Patagonia as areas of origin, confirming the reestablishment of Pterophylla and revealing the northward movement of Weinmannia into the tropical Andes.
Francisco Fajardo‐Gutiérrez   +10 more
wiley   +1 more source

Modus operandi dos abusadores sexuais: características identificadas nas crianças abusadas [PDF]

open access: yes, 2014
Classificação da American Psychological Association (APA): [4200] Psicologia Forense e Questões Jurídicas, [4270] Prevenção CriminalO abuso sexual de crianças tornou-se, a partir dos anos 70/80 do Século XX, uma preocupação social mundial.
Marques, Cristina Isabel Silveira
core   +2 more sources

Estudios ecológicos en la Cordillera Oriental – II: Las comunidades vegetales de los alrededores de la laguna de Chingaza (Cundinamarca) Estudios ecológicos en la Cordillera Oriental – II: Las comunidades vegetales de los alrededores de la laguna de Chingaza (Cundinamarca)

open access: yesCaldasia, 1986
The plant communities present along an altitudinal transect between 3.000-3.600 m above sea level around Chingaza lake, Cundinamarca, Colombia, are described following the Zurich-Montpellier System. The zonal plant communities (WALTER.
Franco R. Pilar   +2 more
doaj  

Are We Witnessing a Speciation Continuum? Evidence From Current and Past Gene Flow in the Genus Oritrophium s.s. (Asteraceae) From the Tropical High Andes

open access: yesMolecular Ecology, Volume 34, Issue 21, November 2025.
ABSTRACT Determining species boundaries is key for appropriately assessing biodiversity. However, the continuity of the speciation process makes delimiting species a difficult task, especially for recently diverged taxa. Furthermore, past introgression may leave traces that result in reticulate evolutionary patterns, challenging the estimation of ...
Juan Manuel Gorospe   +7 more
wiley   +1 more source

Gustavo Lozano Contreras Bogotá, 22 de Mayo De 1938 - Bogotá, 10 de julio de 2000

open access: yesCaldasia, 2001
Sin duda alguna, el profesor Lozano fue uno de los mejores conocedores de la Flora de Colombia. Explorador de prácticamente todos los ecosistemas de nuestro país, colectó y estudió rigurosamente miles de plantas.
González Garavito Favio Antonio
doaj  

Scale‐Dependent Effects of Landscape Heterogeneity on Butterfly Functional and Taxonomic Diversity in Andean Urban Parks

open access: yesEcology and Evolution, Volume 15, Issue 10, October 2025.
Local vegetation structure and landscape composition significantly affect butterfly diversity, underscoring the role of habitat quality in shaping butterfly assemblages ABSTRACT Urbanization poses a significant threat to biodiversity, reducing native species diversity in cities.
Nathali Coral‐Acosta   +3 more
wiley   +1 more source

Distribución y ecología de Vesicarex collumanthus Steyermark (Cyperaceae)

open access: yesActa Biológica Colombiana, 1982
Desde la descripción original de Vesicarex collumanthus por Steyermark (1951), genero nuevo encontrado en el Paramo de Tama en la parte venezolana de la Cordillera Oriental, no se conoee publicaciones posteriores sobre esta diminuta Ciperacea, Vesicarex ...
Antoine M. Cleef
doaj  

Diseño de un aula móvil ambiental sostenible - amas para el municipio de Chía. [PDF]

open access: yes, 2018
Diseñar un Aula Móvil Ambiental Sostenible (AMAS) como estrategia pedagógica innovadora a través del aprendizaje significativo para la comunidad estudiantil de los colegios oficiales del municipio de Chía para que se tenga en cuenta en el año 2019 ...
Garzón Barbosa, Alejandro José
core  

Análisis de la criptosporidiosis con el modelo OMS de determinantes sociales de la salud y el enfoque “One health” como propuesta para la prevención y el control de la enfermedad [PDF]

open access: yes, 2020
Objective: To analyze the relationship between water contamination by Cryptosporidium spp. oocysts of and the health effects of human and animal populations in Colombia, methodologythe light of the Driving Forces methodology and the WHO model of Social ...
Hernández Gallo, Nicolás
core  

Mixing regimes in tropical high‐mountain Andean lakes

open access: yesLimnology and Oceanography, Volume 70, Issue 10, Page 2872-2892, October 2025.
Abstract Lowland tropical lakes deeper than 15 m are typically warm monomictic, but whether the regime may switch to polymixis at high elevations remains uncertain. Using a year‐long high‐frequency dataset from thermistor chains from 10 deep lakes and occasional temperature profiles from 202 lakes in Ecuador's Cajas Massif, this study examines the ...
Pablo V. Mosquera   +4 more
wiley   +1 more source

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