Browsing Facultad de Ciencias Exactas y Naturales by Title
Now showing items 1251-1270 of 2582
-
Evaluating the macro and micro geographic mechanisms that modulate the coexistence between sympatric Sturnira bat species
(Springer (Alemania), 2023-09-27)One of the key questions in ecology is to understand the mechanisms that modulate the coexistence between sympatric species. Climate and habitat perturbation gradients have been proposed as moderators of species coexistence. ... -
Evaluating watershed health in Costa Rican national parks and protected areas
(Springer Science and Business Media Deutschland GmbH, 2020-08-11)Although the biodiversity of Costa Rican national parks, forests, and wetlands has been extensively surveyed, there has not been a watershed assessment that refects their baseline water quality. Undoubtedly, the infux of ... -
Evaluation by a teacher of the suitability of her mathematics class
(Universidad de Sao Paulo, 2019)Evaluation of teaching practice is a necessary task to improve the teaching and learning processes. The purpose of this study is to analyze the assessments made by a Mathematics in-service teacher when she observed a ... -
Evaluation of Escherichia coli concentrations in Crassostrea gigas and seawater in two oyster growing areas in the Gulf of Nicoya, Costa Rica
(Universidad Nacional (Costa Rica), 2014-12)Costa Rica does not have references on the health quality of Crassostrea gigas growing areas, which can pose a po tential public health risk. This study evaluated the temporal trends of Escherichia coli concentrations in ... -
Evaluation of the collaboration process from an individual and collaborative perspective
(ACM International Conference Proceeding Series, 2014-09)Many proposals to evaluate the collaborative process focus on "measure" the group's participation in the fulfillment of the activity and do not consider the individual aspect. This paper reports the results of an exploratory ... -
Evaluation of the manipulation that is given to the fishery product in terms of quality and safety at the time of its capture by the artisanal fisherman of the Gulf of Nicoya, Costa Rica
(Universidad Nacional, Costa Rica, 2017-12-18)The research evaluated the handling and storage type that is given to the fish product in terms of quality and safety at the time of its capture by the fisherman. The methodological tool for obtaining the primary information ... -
Evaluation of volume change in rectum and bladder during application of image-guided radiotherapy for prostate carcinoma
(AIP Conference Proceedings, 2016-07-07)All prostate cancer patients from Centro Médico Radioterapia Siglo XXI receive Volumetric Modulated Arc Therapy (VMAT). This therapy uses image-guided radiotherapy (IGRT) with the Cone Beam Computed Tomography (CBCT). This ... -
Event report: “Green adaptation strategies for water security in the Central American Dry Corridor”. Nicoya, Costa Rica.
(Universidad Tecnológica de Dresde, Alemania, 2019-11)This document contains the report of the workshop entitled “Green adaptation strategies for water security in the Central American dry corridor” organized in Nicoya, Costa Rica, on 26 March 2019. The workshop represented ... -
Evidence for vocal diversity during physical interference at the perch in sympatric Carollia species (Chiroptera: Phyllostomidae): a key to social organization and species coexistence?
(Oxford Academic (Reino Unido), 2022-02)Vocal diversity might reflect the social organization and sustain the coexistence of cryptic species in sympatry. To test the extent to which vocal behaviour separates sympatric, cryptic species of a bat radiation, we ... -
Evidencia fotográfica de especies desconocidas de onicóforos (Onychophora: Peripatidae) de Costa Rica
(Universidad Estatal a Distancia (Costa Rica), 2016-12)Onychophorans are hard to find and identify to species under field conditions. Currently, there are seven species described from Costa Rica, and an appropriate taxonomic revision is necessary. However, technology allows ... -
Evolution of the Main Crater, Irazú Volcano National Park, Costa Rica – Consumer Drones in professional research
(Advanced UAV, 2022)There has been significant cracking and erosion on the south crater wall of the Main Crater below the area where tourists gather to view the main feature of the park; The Main Crater. By deploying the EVO Lite+ drone system ... -
Ex situ culture of coral species Porites lobata (Scleractinia: Poritidae) and Pocillopora damicornis (Scleractinia: Pocilloporidae), Costa Rica: first assessment and implications
(Universidad de Costa Rica (Costa Rica), 2023-04-30)Introduction: Coral reefs worldwide decline has prompted coral restoration as a viable strategy to rewild vulnerable, foundational coral species. Stony corals are now propagated by thousands in both in-water and ex ... -
Expected and unexpected effects of sexism on women’s math performance
(Sociedad Interamericana de Psicología, 2019)Research has shown that gender differences in math performance are partially predicted by sociocultural aspects such as sexist ideologies and stereotypes. This study examined sexist ideologies as predictors of women’s ... -
Experiencia basada en la triada TICs, enseñanza por proyectos y modelado para la enseñanza de sistemas de ecuaciones diferenciales
(Universidad Nacional (Costa Rica), 2015-07-31)Uno de los retos en la educación es la mejora continua a fin de buscar nuevas estrategias en la gestión del proceso enseñanza-aprendizaje y la calidad del mismo. La incorporación de las TICs ... -
La experiencia de la incorporación de estudiantes a un proyecto de extensión universitaria. El caso del Proyecto Formación de Formadores en Robótica en colegios en áreas vulnerables de Costa Rica
(Universiadad Nacional [Costa Rica], 2019-07)El presente trabajo da a conocer la experiencia de los estudiantes que colaboran en el Proyecto Formación de Formadores en Robótica en colegios en áreas vulnerables de Costa Rica, un proyecto de extensión universitaria de ... -
La experiencia de las mujeres docentes en la robótica educativa en el marco de un proyecto de extensión universitaria
(Facultad de Ciencias Sociales. Universidad Nacional, 2019)En este trabajo se da a conocer las actividades realizadas y los resultados obtenidos por los investigadores con las mujeres docentes capacitadas en los talleres de robótica educativa durante los años 2017 y 2018, en el ... -
Experiencia de los estudiantes de primer año de la carrera de Ingeniería en Sistemas de Información sobre el uso de sistemas de control de versiones como mecanismo para el trabajo colaborativo
(Universidad Nacional (Costa Rica), 2020)El presente trabajo da a conocer la percepción de los estudiantes de primer año de la Carrera de Ingeniería en Sistemas de Información de la Universidad Nacional de Costa Rica acerca de los respaldos de sus documentos ... -
La experiencia del cultivo comercial de camarones marinos en estanques de producción en Costa Rica
(Universidad Nacional (Costa Rica), 2013-12)El cultivo de camarones marinos en estanques de producción en Costa Rica ha estado restringido a una pequeña fracción del territorio (1 000 ha), siendo el sector del Pacífico Norte, a ambas márgenes del Golfo de Nicoya, ... -
Experiencia docente: actividades de Laboratorio para impartir un curso de Matemática discreta a través del uso del Paquete Vilcretas
(Comité Latinoamericano de Matemática Educativa, 2019)Durante el I semestre 2017 se realizó una experiencia de implementación de una metodología apoyada con software, a través de la participación de cincuenta alumnos de un curso de matemática discreta en la Universidad Nacional ... -
Experiencia e interacción de aula que se generan como ambiente de aprendizaje durante las clases de biología
(Universidad Estatal a Distancia (UNED) (Costa Rica), 2016-11-30)Las acciones que se genera en el aula como ambiente de aprendizaje son fundamentales para propiciar sinergias de trabajo armónico y de interés entre docentes y estudiantado. Las cuales deberán tener como finalidad un ...