Results 41 to 50 of about 2,933 (169)

Patterns of frugivory in the columnar cactus Pilosocereus leucocephalus

open access: yesEcology and Evolution, Volume 9, Issue 3, Page 1268-1277, February 2019., 2019
Birds and bats feed on the fruit, and presumably disperse, the seeds of Pilosocereus leucocephalus, a keystone columnar cactus species in Mesoamerica Abstract In the frugivory networks of many arid and semi‐arid Mesoamerican ecosystems, columnar cacti act as keystone species that produce fruits with a high content of water and nutrients attractive to ...
Shamira Vázquez‐Castillo   +2 more
wiley   +1 more source

Ambientalismo y desarrollo sustentable: tramas del sistema capitalista

open access: yesLiminar: Estudios Sociales y Humanísticos, 2011
El presente trabajo tiene un doble propósito: analizar la invención del Desarrollo Sustentable y su trayecto como discurso dominante en América Latina y el Caribe; por un lado; y por fijar las formas discursivas que configura el sistema capitalista en la
Raúl Pérez Verdi
doaj   +3 more sources

Manejo de Catéteres Doble J Calcificados en el Hospital General “Dr. Antonio Lenin Fonseca”, de Enero –Junio 2017.

open access: yesRevista Guatemalteca de Urología, 2017
Objetivo: describir desenlaces y manejo en pacientes con catéter doble J calcificado en el Hospital Escolar "Dr. LENIN ANTONIO FONSECA". MANAGUA-NICARAGUA, en el período de enero a junio de 2017.
Carlos Andrés P. Chávez MR
doaj   +1 more source

Does Governance Moderate the Impact of Poor Energy Access on Gender Inequality? Evidence From Sub‐Saharan Africa

open access: yesWorld Affairs, Volume 189, Issue 2, Summer 2026.
ABSTRACT The study examines the moderating effect of governance quality on the relationship between lack of access to energy and gender inequality. Drawing on data from 35 sub‐Saharan African countries, the results obtained using fixed‐effects instrumental variables show that the worsening of gender inequality stems from a lack of access to energy ...
Sabine Nadine Ekamena Ntsama   +2 more
wiley   +1 more source

Descolonizando la historia oral: una conversación

open access: yes, 2021
History, Volume 106, Issue 370, Page E1-E17, March 2021.
wiley   +1 more source

Escribir en comunidad: Construcción de relaciones y responsabilidad en la producción de conocimiento

open access: yesAmerican Anthropologist, Volume 127, Issue 3, Page 447-465, September 2025.
ABSTRACT As anthropology reckons with its past, present, and future, anthropologists increasingly seek to challenge inequities within the discipline and academia more broadly. Anthropology, regardless of subdiscipline, is a social endeavor. Yet research often remains an isolating (though not necessarily solitary) process, even within research teams and
Jordi Armani Rivera Prince   +16 more
wiley   +1 more source

Arteria coronaria descendente anterior doble: reporte de un caso y revisión de la literatura Dual left anterior descending coronary artery: a case report and literature review

open access: yesRevista Colombiana de Cardiología, 2012
La arteria coronaria descendente anterior es la arteria coronaria con el trayecto más constante; sin embargo en algunas ocasiones puede presentarse un sistema doble.
Fernando Fortich   +4 more
doaj  

Tropical Land‐Use Change Disrupts Zeta‐Diversity Across Taxa

open access: yesGlobal Change Biology, Volume 31, Issue 5, May 2025.
We studied birds, dung beetles, and orchids across natural and human‐transformed habitats in the Colombian Andes to understand how land‐use change affects biodiversity. We found that deforestation simplifies ecological communities and reduces both rare and widespread species, especially orchids.
Edicson Parra‐Sanchez   +14 more
wiley   +1 more source

Hemodiálisis sin heparina. Sistema de lavado continuo doble: ¿mejora el sistema de lavado continuo prefiltro? [PDF]

open access: yesRevista de la Sociedad Española de Enfermería Nefrológica, 2006
Cuando existe contraindicación para la anticoagulación, se deben utilizar métodos alternativos. Ante problemas de coagulación del circuito durante la sesión de hemodiálisis un sistema de “lavado continuo” del equipo puede ser una alternativa válida.
Belchí Rosique, Francisco   +1 more
openaire   +3 more sources

Evolution of the vaquita/totoaba socio‐ecological system in the Upper Gulf of California, Mexico

open access: yesEcosphere, Volume 16, Issue 2, February 2025.
Abstract The Upper Gulf of California (UGC) hosts a rich marine biodiversity. Complex climatic processes generate high biological productivity enabling the use of resources in a complex socio‐ecological processes (SEPs). Through a literature review, evolution and aggravation of the SEP over 50 years are analyzed.
J. Alejandro Rodríguez‐Valencia   +2 more
wiley   +1 more source

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