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Laboratorio de matemática: Fascículo #1
(Universidad de Costa Rica. Sede de Occidente, 1992, 1992)
Este fascículo consiste en una serie de guías para utilizar los modelos didácticos correspondientes a diversos conceptos matemáticos incluidos en los programas de los cursos de la enseñanza primaria y secundaria. Incluye ...
Generation of myxomycete data from three discrete experiments using moist chamber cultures in a Neotropical forest
(2021-11-23)
The moist chamber technique is widely used in ecological research on myxomycetes. However,
limited assessments on the usefulness of the technique have been carried out using empirical data. In
the present study, three ...
A posteriori error analysis of a semi-augmented finite element method for double-diffusive natural convection in porous media
(2024)
This paper presents our contribution to the a posteriori error analysis in 2D and 3D of a semi-augmented mixed-primal finite element method previously developed by us to numerically solve double-diffusive natural convection ...
Stability of a second-order method for phase change in porous media flow
(2018)
We analyse the stability of a second-order finite element scheme for the primal formulation of a Brinkman-Boussinesq model where the solidification process influences the drag and the viscosity. The problem is written in ...
Composition and species richness of the herpetofauna of a Costa Rican University campus
(2019)
The campus of the University of Costa Rica in Limón port city, Costa Rica, known as Sede del Caribe (SC),
includes a secondary forest of ca. 40 years old. This forest holds a great potential for environmental education, ...
MURCIÉLAGOS de la región del Golfo Dulce, Puntarenas, Costa Rica
BATS of the Golfo Dulce Region, Costa Rica - Field Guides
(2019-11-18)
La región del Golfo Dulce está compuesta de bosque estacionalmente húmedo primario y secundario. Esta guía incluye especies representativas de las familias presentes en las tierras bajas de la región (< de 400 m.s.n.m), ...
Variation in echolocation call frequencies in two species of free-tailed bats according to temperature and humidity
(2017)
Bats can actively adjust their echolocation signals to specific habitats and tasks, yet it is not known if bats also modify their calls to decrease atmospheric attenuation. Here the authors test the hypothesis that individuals ...
The importance of group vocal behaviour in roost finding
(2018)
Individuals benefit from socially acquired information to avoid predation risks and enhance foraging efficiency. Spix's disc-winged bats, Thyroptera tricolor, form very stable social groups despite their need to find a new ...
Can the location of the isolation laboratory affect the generation of myxomycete data using moist chambers? An experiment in the Neotropics
(2021-03-11)
The moist chamber technique, as it is used in myxomycete research, is an extremely useful method to optimize project resources. However, as it occurs with any laboratory-based protocol, the usefulness of this technique ...
Occurrence of pharmaceuticals, hazard assessment and ecotoxicological evaluation of wastewater treatment plants in Costa Rica
(2020)
The continuous release of pharmaceuticals from WWTP effluents to freshwater is a matter of concern, due to their potential effects on non-target organisms. The occurrence of pharmaceuticals in WWTPs and their associated ...