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Now showing items 8087-8106 of 13291
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NEGOCIACIÓN O CATACLISMO
(Oficina de Comunicación, Universidad Nacional, 2020-11)Sin silencios debemos decir… como sociedad estamos en una situación compleja y riesgosa, ante las debilidades del gobierno, la clase política y los partidos representados en la Asamblea Legislativa. Este enflaquecimiento ... -
La negociación, aprobación y ejecución del Tratado de Libre Comercio Costa Rica-México casos específicos: leche fluida y aceite vegetal
(Universidad Nacional, Costa Rica, 2011)La crisis económica que sufrió nuestro país a finales de los años 70 y principios de los 80 fue el resultado de una combinación de factores tanto de índole externo, como de elementos internos que evidenciaron el agotamiento ... -
Negotiation of Meaning using Collaborative Learning Tasks on Synchronous Remote Learning
(Universidad Nacional, Costa Rica371.358 V184n, 2021)Previous research on classroom-based studies has demonstrated that collaborative learning tasks enable students to engage in the process of negotiating meaning (Foster, 1998; Swain, 2006; Palma, 2014; Masrizal, 2014; ... -
El negro en la Costa Rica de hoy
(Universidad Nacional, Costa Rica, 2005) -
Los negros y la Virgen de los Ángeles, de Manuel Benavides Barquero
(Editorial Universidad Nacional, 2010-01-01)La obra "Los negros y la Virgen de los Ángeles", del Sacerdote e historiador Manuel Benavides Barquero, analiza la historia de los negros en torno a "La Negrita", el hallazgo de la Virgen, su nombre y el aporte de los ... -
Neighborhood structure influences the convergence in light capture efficiency and carbon gain: An architectural approach for cloud forest shrubs
(Tree Physiology vol.36 no.6 712-724 2016, 2016-03-24)Although plant competition is recognized as a fundamental factor that limits survival and species coexistence, its relative importance on light capture efficiency and carbon gain is not well understood. Here, we propose a ... -
Neighbourhood structure and light availability influence the variations in plant design of shrubs in two cloud forests of different successional status
(Annals of Botany, 2016-07)Background and Aims Plant design refers to the construction of the plant body or its constituent parts in terms of form and function. Although neighbourhood structure is recognized as a factor that limits plant survival ... -
Nematode assemblages in four ecosystems of Parque Nacional del Agua, Costa Rica
(Elsevier (Países Bajos), 2022)The soil nematode fauna of five locations situated in Parque Nacional del Agua (PNA) in Costa Rica is characterized and analyzed. Four ecosystems were sampled in each location: primary (undisturbed) forest, secondary (naturally ... -
Nematode fauna of Costa Rican protected areas
(Universidad Nacional, Costa Rica., 2003-12-01)The Instituto Nacional de Biodiversidad (INBio), in collaboration with the Nematology Laborato ry at Universidad Nacional (U.N.A) of Costa Rica, conducted a nematode inventory of Costa Rican wild lands. Hundreds of samples ... -
Nematodos como indicadores ambientales
(2013-08-22)Los nematodos juegan un papel importante en una serie de procesos ecológicos que son clave para el funcionamiento de los ecosistemas. Una aplicación muy particular, que ha tomado auge en los últimos años, es el uso de la ... -
Nematology in Central American countries, a general overview of the present situation
(50TH ANNUAL MEETING OF NEMATOLOGIST OF TROPICAL AMERICA (ONTA 2018), 2018-08)Pesticide use in Central American agriculture has been promoted as an important tool for development since decades, despite in many cases being a hazardous technology for human health and the environment. At the same time ... -
El neoindigenismo, el género y la identidad en El tiempo principia en Xibalbá, de Luis de Lión
(Universidad Nacional, Costa Rica, 2022)Presenta una propuesta de investigación, que consiste en una descripción, análisis e interpretación de la novela El tiempo principia en Xibalbá (1984), del escritor guatemalteco Luis de Lión, que se postula como adscrita ... -
Neospara caninum
(Universidad Nacional, Costa Rica, 2020-09-05)El objetivo de este vídeo es presentar una breve explicación sobre la neosporosis, enfermedad de origen parasitario y su afección en los animales. Se indican sus consecuencias y alteraciones, formas de transmisión, control, ... -
Neotropical bats from Costa Rica harbour diverse coronaviruses
(Blackwell, 2015)Bats are hosts of diverse coronaviruses (CoVs) known to potentially cross the host–species barrier. For analysing coronavirus diversity in a bat species-rich country, a total of 421 anal swabs/faecal samples from Costa ... -
Neotropical bats that co-habit with humans function as dead-end hosts for dengue virus
(Public Library of Science (PLOS), 2017-05-18)Several studies have shown Dengue Virus (DENV) nucleic acids and/or antibodies present in Neotropical wildlife including bats, suggesting that some bat species may be susceptible to DENV infection. Here we aim to elucidate ... -
Neotropical dry forest wildlife water hole use and management
(Universidad Nacional, Costa Rica., 1999)Selected wildlife species diurnal use of a natural water hole (QO) and an artificial water hole (AW) were studied during 1990 dry season at Guanacaste Conservation Area, Costa Rica. In total, 919 individuals (six marnmal ... -
Neotropical flowering epiphyte diversity: local composition and geographic affinities
(Universidad Nacional, Costa Rica, 2013)Worldwide, the highest diversity of vascular epiphytic plants resides in the Neotropics. The general pattern of taxonomic composition of the neotropical epiphytic flora has been described, but information regarding the ... -
Nest-specific composition of the trail pheromone of the stingless bee Trigona corvina within populations
(Springer, 2012)Social insects have evolved highly developed communication systems, enabling them to coordinate complex interactions in their colonies. Pheromones play a major role in the coordination of many tasks. In Trigona corvina, a ... -
Nestedness patterns of sand fly (Diptera: Psychodidae) species in a neotropical semi-arid environment
(Elsevier, 2016)A common pattern in neotropical Leishmania spp. transmission is the co-occurrence of several sand fly (SF) species at endemic foci. We collected 13 SF spp. by direct aspiration in natural resting places (NRP) and 10 SF ... -
Nesting ecology of East Pacific green turtles at Playa Cabuyal, Gulf of Papagayo, Costa Rica
(2014-07)East Pacific green turtles (Chelonia mydas), often referred to as black turtles, are smaller and exhibit a lower reproductive output than other populations of green turtles in the Atlantic, Indian and Western Pacific Oceans. ...
