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Mostrando ítems 310-329 de 1643
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Complex behavioral plasticity is not lost in spiderlings with miniature brains
(2021-06-16)The brains of smaller animals are smaller than those of their larger relatives, but it is not clear whether their adaptive behavioral flexibility is more limited. Previous interspecific comparisons found that aspects of ... -
Complex phylogeographic patterns indicate Central American origin of two widespread Mesoamerican Quercus (Fagaceae) species
(2017)The northern Neotropical region is characterized by a heterogeneous geological and climatic history. Recent studies have shown contrasting patterns regarding the role of geographic elements as barriers that could have ... -
Composición florística de la regeneración natural de un bosque muy húmedo premontano en Poás, Costa Rica
(2023-02)Introduction: Natural restoration is a low cost and nature-based way to restore part of habitats degraded by deforestation. Objective: To document the floristic composition of a regenerating vegetation fragment of very ... -
Composición florística y estructura de un bosque húmedo premontano en el Valle Central de Costa Rica
(2001)Se estudió la estructura y composición florística de un remanente de bosque húmedo premontano (BHP) en la Zona Protectora El Rodeo, Valle Central de Costa Rica. Se establecieron tres parcelas permanentes (1 ha. cada una) ... -
Composición, abundancia, biomasa y diversidad del zooplancton en Bahía Salinas, Pacífico Norte de Costa Rica
(2016)El proyecto tuvo como objetivo general caracterizar el zooplancton de Bahía Salinas, Pacífico Norte de Costa Rica durante un ciclo anual y determinar los cambios estacionales asociados al periodo de afloramiento costero ... -
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, ... -
Composition of the essential oil from leaves of Smallanthus quichensis (Asteraceae) from Costa Rica
(2015-09-30)Smallanthus is a genus of flowering plants in the Asteraceae family, which has about 24 species, ranging mostly from southern Mexico and Central America to the Andes in South America. The aim of the present study was to ... -
Comunidades y arrecifes coralinos del Parque Nacional Marino Ballena, costa del Pacífico de Costa Rica
(2005)Se estudiaron las comunidades y arrecifes coralinos del Parque Nacional Marino Ballena (PNMB), en el Pacífico sur de Costa Rica, mediante tres transectos por sitio, de 10 m de largo cada uno y paralelos a la costa, utilizando ... -
Conceptual and statistical problems with the use of the Shannon-Weiner entropy index in bioacoustic analyses
(2018-04-03)Information theory and its indices were developed for human communication to predict the amount of information transferred in a message. One such index, the Shannon-Weiner index (SWI), has often been used to analyse ... -
Confusion in Epidendrum brenesii Schltr., and a new Costa Rican species: Epidendrum sotoanum (Orchidacaeae)
(2010)Two species have been confused under the name Epidendrum brenesii Schltr., both were used in the original description and drawing of the type. The purple-flowered species, has been commonly known as E. brenesii, a specimen ... -
Connecting biology, optics and nanomechanical properties in micro-wasps
(2020)Coloration in insects provides a fruitful opportunity for interdisciplinary research involving both physics and biology, and for a better understanding of the design principles of biological structures. In this research ... -
Connectivity, population structure, and conservation of Ecuadorian green sea turtles
(2017)Studies of highly migratory species that increase our understanding of the dynamics of genetic diversity, migratory routes, and genetic connectivity are essential for informing conservation actions. Genetic data for green ... -
Conservación de orquídeas en una reserva privada de Palmares, Costa Rica
(2016-12)Madre Verde Private Preserve, located in Palmares (Alajuela, Costa Rica) protects a forest relict surrounded by pastures, bushes and abandoned agriculture grounds. An inventory was conducted in this preserve to determine ... -
Conspecific and predator perception of the Red Oophaga pumilio Morph from the Central Caribbean of Costa Rica
(2020-11-04)Strawberry Poison Frogs (Oophaga pumilio) are common members of leaf litter lowland communities in Central America and exhibit several color morphs throughout their distribution. Color plays a determinant role during intra- ...