Results 31 to 40 of about 13,577 (139)

Genetic variability among populations of Lutzomyia (Psathyromyia) shannoni (Dyar 1929) (Diptera: Psychodidae: Phlebotominae) in Colombia

open access: yesMemorias do Instituto Oswaldo Cruz, 2001
Polyacrylamide gel electrophoresis was used to elucidate genetic variation at 13 isozyme loci among forest populations of Lutzomyia shannoni from three widely separated locations in Colombia: Palambí (Nariño Department), Cimitarra (Santander Department ...
Cárdenas Estrella   +4 more
doaj  

[Intake of leguminous in the Department of Santander, Colombia, 2000-2003].

open access: yesArchivos latinoamericanos de nutricion, 2006
With the objective of describing the participation and quantity (g) in the intake of leguminous in two geographical areas (metropolitan and rural), three surveys were re-analyzed, in them 571 subjects (148 scholars and 443 mothers) described their intake by the 24-hour dietary recall method.
Gloria E, Prada   +2 more
openaire   +1 more source

Presence of Potyvirus in the Norte de Santander department and molecular characterization of NIb protein in Colombian SCMV isolates

open access: yesRevista Colombiana de Ciencias Hortícolas, 2021
Potyviruses are the largest genus of plant viruses that cause significant losses over a wide range of crops. In this paper, the presence of potyvirus in different plant crops in the provinces of Ocaña and Pamplona located in the north and south of the Department of Norte de Santander (Colombia) was evaluated with RT-PCR analysis using universal ...
Luz Yineth Ortíz-Rojas   +1 more
openaire   +4 more sources

Unveiling the diversity of Phalangodus Gervais, 1842 (Opiliones: Cranaidae): descriptions of four new species from Colombia

open access: yesEuropean Journal of Taxonomy, 2016
The Cranaidae genus Phalangodus Gervais, 1842 is revisited and its species are diagnosed. An identification key for the males of Phalangodus is provided. Four Colombian species are described as new: Phalangodus briareos sp. nov.
Osvaldo Villarreal M.   +1 more
doaj   +1 more source

45 años de Psiquiatría en Bucaramanga

open access: yesMedicina, 1999
<p><strong>RESUMEN.</strong></p><p>El Autor presenta la historia de la psiquiatría en Bucaramanga, departamento de Santander (Colombia) en los últimos treinta y cinco años.
Roberto Serpa Florez
doaj  

Comparative analysis of Flue-cured tobacco production costs in Santander and Huila (Colombia)

open access: yesAgronomía Colombiana, 2012
Santander and Huila are the largest producers of Flue-cured tobacco in Colombia. They differ in their production systems and, consequently, in their production costs.
Juan Carlos Barrientos F   +2 more
doaj  

Indicadores para evaluar la pertinencia social en la oferta académica de programas

open access: yesLogos Ciencia & Tecnología, 2014
The research is framed within the quantitative approach and mode of Feasible Project was held at the Francisco de Paula Santander, Northern Department of Santander (Colombia) University with populations of entrepreneurs, high school students, alumni and ...
Zafra Tristancho, Sandra Liliana   +2 more
doaj   +1 more source

Range extension of Pristimantis uisae (Lynch, 2003) (Anura:&nbsp;Craugastoridae) in the Cordillera Oriental of Colombia [PDF]

open access: yesCheck List, 2017
Pristimantis uisae is a poorly known frog species reported only from three nearby localities in the western slopes of&nbsp;the Cordillera Oriental of Colombia (Boyac&aacute; and Santander Departments).
Juan P. Ramírez
doaj   +3 more sources

Genetic variability of Papaya ringspot virus isolates in Norte de Santander - Colombia

open access: yesAgronomía Colombiana, 2015
The Papaya ringspot virus (PRSV), a member of the potyvirus that is transmitted by aphids within the Potyviridae family, is the main limiting factor for papaya (Carica papaya L.) and Cucurbits worldwide and causes losses of up to 100%.
Giovanni Chaves-Bedoya   +1 more
doaj   +1 more source

A hundred years later: new record of the rare Cryptotis tamensis (Soricidae: Mammalia) from Tama National Natural Park, Colombia

open access: yesMammalogy Notes, 2017
Here we present the most recent record of the Tama Small-eared Shrew for Colombia as a contribution to this poor-known species in the country. The record of the Tama Small-eared Shrew is located within the Tama NNP, Herran and Toledo municipalities ...
Carlos H. Cáceres Martínez   +1 more
doaj   +1 more source

Home - About - Disclaimer - Privacy