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Mostrando ítems 511-520 de 798
Individual and tempo- ral variation in outcrossing rates and pollen flow patterns in Ceiba pentandra (Malvaceae: Bombacoidea)
(2013)
Ceiba pentandra is a tropical tree with high rates of selfing in some populations. In mixed‐mating species, variation in selfing is due to changes in adult density or variability of incompatibility systems. The effect of ...
Temperature and elemental sulfur shape microbial communities in two extremely acidic aquatic volcanic environments
(2021)
Aquatic environments of volcanic origin provide an exceptional opportunity to study the adaptations of microbial communities to early planet life conditions such as high temperatures, high metal concentrations, and low pH. ...
Macroinvertebrates as indicators in tropical streams with different land use in southern Costa Rica
Makroinvertebraten als Indikatoren in tropischen Bächen mit unterschiedlicher Landnutzung im Süden Costa Ricas
(2019)
Costa Rica is one of the countries with the highest species richness worldwide and forms an important land bridge between North and South America. In the past, Costa Rica suffered from deforestation due to conversion of ...
Distribución de las formas de vida en la flora costarricense
(2008)
La diversidad de plantas de un país o región se puede interpretar desde la perspectiva ecológica de las especies utilizando un sistema de clasificación por “formas de vida”. En este trabajo (1) se describe la diversidad ...
Phenology of an urban population of Lyssomanes jemineus Peckham & Wheeler (Araneae: Salticidae) with a list of other jumping spiders from the same Costa Rican site
(2019)
Jumping spiders were sampled for 24 months in a Costa Rican urban environment and one
of the species collected, Lyssomanes jemineus, was observed in detail in order to document its
phenology in this disturbed habitat. ...
Mixomicetes asociados con Avicennia germinans y Laguncularia racemosa en el manglar del Amatal, El Salvador
(2022)
Los estudios de mixomicetes en ecosistemas de
manglar no son comunes; principalmente se han
llevado a cabo en Brasil. En esta investigación, se
realizó el primer muestreo de mixomicetes asociados
a dos especies de ...
Cues guiding uloborid construction behavior support orb web monophyly
(2015)
Behavior can provide useful traits for testing phylogenetic hypotheses, and some details of orb web construction behavior have been especially useful in characterizing higher-level groups in spiders. The cues used to guide ...
Comparative social network analysis in a leaf-roosting bat
(2010-10)
Even though social network analysis provides an important tool to characterize and compare societies, no studies have used its analytical applications to characterize patterns of sociality in bats. Here I use social network ...
Neotropical Birds Respond Innately to Unfamiliar Acoustic Signals
Las aves neotropicales responden de manera innata a señales acústicas desconocidas
(2022)
Many animals respond to heterospecific signals that indicate the presence of food or predators. Although the benefits of responding are clear, the behavioral and cognitive mechanisms underlying responses are not. Whether ...
Distribution and reproduction of Ambidexter panamense and Palaemonetes schmitti in Pacific Costa Rica (Crustacea, Decapoda)
(1990)
Este constituye el primer registro de las especies de carídeos P. schmitti y A. panamense para Costa Rica. Adultos de ambas especies fueron colectados en el estero de Punta Morales, Golfo de Nicoya, de enero a diciembre ...