Results 21 to 30 of about 2,627 (152)

Peces de la cuenca del río Orinoco. Parte I: Lista de especies y distribución por subcuencas

Biota Colombiana, 2004
Para efectos del presente trabajo y en función de los datos disponibles hasta la fecha, se consideran las siguientes subcuencas y/o regiones para la cuenca del Orinoco, desde su nacimiento hasta su desembocadura en el océano Atlántico: Alto Orinoco ...
Carlos A. Lasso, José Iván Mojica, José Saulo Usma, Javier A. Maldonado-Ocampo, Carlos DoNascimiento, Donald C. Taphorn, Francisco Provenzano, Óscar M. Lasso-Alcalá, Lucena Vásquez, Myriam Lugo, Antonio Machado-Allison, Ramiro Royero, César Suárez, Armando Ortega-Lara   +13 more
doaj   +10 more sources

Primer registro del efemeróptero Oligoneuria (Oligoneurioides) amazonica (Demoulin, 1955) (Insecta: Ephemeroptera, Oligoneuriidae) para Colombia

Biota Colombiana, 2018
Oligoneuria Pictet, 1843 es un género perteneciente a la familia Oligoneuriidae y se caracteriza por presentar venación muy reducida en sus alas y patas atrofiadas.
Cristian E. Granados-Martínez, Carlos Andrés Lasso, Juan M. Fuentes-Reinés   +2 more
doaj   +5 more sources

LA CRÍTICA DE LAS ARMAS: TULIO BAYER JARAMILLO Y EL LEVANTAMIENTO ARMADO DEL VICHADA, 1961 – 1962

Historia y Espacio, 2013
Este artículo tiene como propósito analizar la participación del médico Tulio Bayer Jaramillo en el movimiento armado que se gestó en la segunda mitad de 1961 en la comisaria de Vichada. Nos interesa identificar las razones que motivaron a un intelectual
José Abelardo Díaz Jaramillo
doaj   +1 more source

Sustainable Livestock Decisions in a Post‐Conflict Frontier: Evidence From Colombia's Orinoquía

Journal of Agricultural Economics, Volume 77, Issue 2, Page 304-319, June 2026.
ABSTRACT The Orinoquía region is one of Colombia's principal agricultural frontiers and has been shaped by long‐standing armed‐conflict dynamics that continue to influence land governance, producer incentives, and investment decisions. Efforts to promote sustainable cattle production emphasize two key practices: sustainable pasture management ...
Hernando Flórez‐Díaz, Emiliano Lopez Barrera, Adriana María Molina‐Romero, Diana Elisa Correa‐Pinilla, Carlos Fontanilla‐Díaz   +4 more
wiley   +1 more source

When “Rescue” Means Exile: The Urgency of Science‐Based Protocols for Large Carnivore Interactions and Coexistence in the Neotropics

Animal Conservation, Volume 29, Issue 3, Page 233-234, June 2026.
Using the recent case of an Andean jaguar translocated hundreds of kilometers to a distinct savanna ecosystem in Colombia, we critique the prevalent “Reactive Removal” model often framed misleadingly as “rescue.” We contrast this approach, which disregards local adaptation, creates ecosystem mismatches, and blocks natural range recovery, with a needed “
José F. González‐Maya, I. Mauricio Vela‐Vargas, Diego A. Zárrate‐Charry, Gerardo Ceballos   +3 more
wiley   +1 more source

A multiscale approach to evaluate the effect of different extraction and pre‐treatment methodologies on physicochemical properties of cashew (Anacardium occidentale L.) nut shell liquid

Journal of Chemical Technology &Biotechnology, Volume 101, Issue 2, Page 266-275, February 2026.
Abstract BACKGROUND Cashew nutshell liquid (CNSL) is an agro‐industrial residue from cashew production that has gained relevance due to its possibilities to generate valuable by‐products. Although lab‐scale CNSL extraction has been studied in terms of yield and energy efficiency, the effect of industrial‐scale extraction and nut pre‐treatment methods ...
Johan León, Gabriela Ortiz, Oscar Álvarez, Andres Fernando Gonzalez Barrios, Alejandro Maranon, Camilo Hernandez, Camilo Ayala, Alicia Porras   +7 more
wiley   +1 more source

Vichada River Report Card 2016

, 2016
This report card provides a transparent, timely, and geographically detailed assessment of the Vichada River, a sub-basin in the Orinoco River Basin. In 2016, the overall grade for the Vichada River is a 61%, a B-. This means the Vichada is in moderately
Fries, Alexandra, Costanzo, Simon, Thomas, Jane   +2 more
core   +1 more source

Aspectos geológicos del nordeste del departamento del Vichada

Boletín Geológico, 2001
En el presente artículo se hace una breve descripción de las unidades litológicas halladas en la zona nororiental del Vichada, dentro del programa del mapa geoquímico de Colombia; además, se presentan las ocurrencias minerales encontradas y se hace una ...
Jaime Galvis Vergara, Campox Elías Perilla   +1 more
doaj   +1 more source

The Disease Burden Estimate of Epilepsy Without Specific Cause in Colombia From 2015 to 2020

Acta Neurologica Scandinavica, Volume 2026, Issue 1, 2026.
Introduction Epilepsy is a major neurological disorder with significant health and social implications. Understanding its burden is essential for guiding public health strategies in Colombia. Objective To estimate the disease burden expressed in disability‐adjusted life years (DALYs) associated with epilepsy without a specific cause in Colombia from ...
Diana Fernanda Bejarano-Ramírez, Tatiana Roldán-Ovalle, Daniel Felipe Rangel-Rueda, Luis Carlos Mayor, Dominic B. Fee   +4 more
wiley   +1 more source

Impact of Introduced Pastures in Colombian Lowland Ranching

Agricultural Economics, Volume 56, Issue 6, Page 1241-1259, November 2025.
ABSTRACT The adoption of higher‐nutrient grass varieties, such as Brachiaria, offers long‐term economic benefits for ranchers while enhancing soil health and pasture productivity in Latin America's lowland climates. Despite widespread adoption, the field‐level impacts remain largely unexplored.
Jose María Martínez, Ricardo Labarta, Mywish K. Maredia   +2 more
wiley   +1 more source