
Bienvenido al Repositorio Académico Institucional (RAI) de la Universidad Nacional, Costa Rica. En este repositorio encontrará recursos digitales de diversas áreas de conocimiento, producto de los esfuerzos que se realizan en investigación, docencia y extensión, a través de programas, proyectos y actividades académicas.
Contacto: cienciaabierta@una.ac.cr
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Sede Regional Brunca [356]
Sede Regional Chorotega [129]
Recently Added
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Digenetic trematode community in nesting green sea turtles (Chelonia mydas) from Tortuguero National Park, Costa Rica
(American Society of Parasitologists, 2006-12-01)The digenetic community of 40 green sea turtles (Chelonia mydas) was investigated at Tortuguero National Park, Costa Rica. In total, 24,270 trematodes belonging to 29 species and 6 families including Clinostomidae 1, ... -
Crioconservación de semillas de Teca (Tectona grandis).
(Universidad Nacional, Costa Rica., 2013-06)La teca (Tectona grandis L.f) es un árbol tropical con gran demanda por la alta calidad de su madera y rápido crecimiento. Los programas de mejoramiento genético para esta especie han dado como resultado semillas ... -
Detection of Rickettsia monacensis and Rickettsia amblyommatis in ticks collected from dogs in Costa Rica and Nicaragua
(Elsevier B.V, 2018-08-04)The neotropical climate of Central America provides ideal conditions for ticks, which may transmit several human pathogens, including spotted-fever group Rickettsia. Dogs may act as sentinels or reservoirs for human tick-borne ... -
Detection of proteins antigenically related to Bothrops asper myotoxin in crotaline snake venoms
(Pergamon Press, 1987-03-05)H. Loxtoxre, E, Moatnvo and J . M. GurtEsaez . Detation of proteins antigenically rdated to Bothrops riper myotoxin in crotaline snake venoms. Tadcon 25, 947 -953, 1987 . - The presence of componrnts antigenically related ... -
Density dependence, landscape, and weather impacts on aquatic Aedes japonicus japonicus (Diptera: Culicidae) abundance along an urban altitudinal Gradient
(Oxford University Press on behalf of Entomological Society of America, 2017-09-20)The Asian Bush Mosquito, Aedes (Finlaya) japonicus japonicus (Theobald) is an important globally invasive mosquito species. In comparison with other major invasive mosquitoes, relatively little is known about Ae. j. ...