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Effect of temperature on the visual displays of the Jacky dragon
(2019)
In ectotherms such as lizards, temperature is a key determinant of their behavior and their ability to signal to conspecifics. We asked whether changes in the thermal environment along the distribution of an agamid lizard, ...
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, ...
Mycorhizal diversity of epiphytic orchids in a hyperdiverse tropical forest: insights on temporal and life stage changes
(2018)
Few studies have examined the diversity of fungal communities of epiphytic orchids from hyperdiverse tropical forests and its temporal dynamics. This study aims to describe the fungal diversity associated with three tropical, ...
Sexual size dimorphism and ecomorphology of the Berthold’s bush anole (Polychrus gutturosus) in Costa Rica: Preliminary data
(2019)
Sexual size dimorphism (SSD) is the result of sexual or natural selection operating differently on the body
sizes of females and males. Males of most lizard species are larger than females, suggesting intrasexual selection
on ...
Behavioural responses of reptiles to visitors of protected areas in Costa Rica
(2016)
Tourists can have a strong impact on the behaviour of wild animals, modifying
foraging strategies, diet and habitat use, increasing stress, and altering communication
and escaping behaviour. Such behavioural changes have ...
Proceedings of the ICSEM10 Costa Rica
(2020-02-28)
Este documento corresponde con la memoria completa del X Congreso Internacional sobre Sistemática y Ecología de Mixomicetes (ICSEM10) celebrado en la Sede del Atlántico de la Universidad de Costa Rica entre el 25 y el 28 ...
Near-neighbor tropical epiphytic orchids keep distinct mycorrhizal communities across their distribution in Costa Rica
(2022)
Environmental and biotic axes act in combination to define the ecological niches of plant species. Two species with shared physical space are expected to compete for access to water and nutrients. In hyper-diverse areas ...
Signal repertoire and contest outcome in the Jacky dragon
(2016)
Establishing dominance is an important mechanism for determining access to
resources such as mates or territories. However, levels of aggression and dominance
may vary among populations based on history and variation in ...
Búsqueda y caracterización de proteínas biopesticidas novedosas a partir de cepas de Bacillus thuringiensis
(1999)
En la actualidad se desarrollan y se cultivan comercialmente plantas transgénicas que expresan endotoxinas de Bacillus thuringiensis (Bt) como biopesticida para el control específico de insectos. Sin embargo, se teme que ...
Estado actual del conocimiento sobre el perfil genético de la población de Costa Rica
(2003-10)
The population of Costa Rica has been considered historically as the product of the amalgamation of three ethnic groups: Europeans, Africans and Amerindians. In addition, it has been said that this population is highly ...