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Mostrando ítems 1093-1112 de 1643
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Oncidium Sw. [with a new species, Oncidium coquianum]
(2022-02)Costa Rican species of Oncidium are presented and discussed. A new species, Oncidium coquianum Pupulin & Dalström, is described and illustrated. -
Ontogenetic changes in web architecture and growth rate of Tengella radiata(Araneae, Tengellidae)
(2008)In some spiders features of the webs of early instars may represent features of the ancestor's web. Some second instar spiderlings (first instar outside of the egg sac) of Tengella radiata (Kulczynski 1909) construct a ... -
Ontogeny of an interactive call-and-response system in Spix's disc-winged bats
(2020)We investigated the ontogenetic changes of two call types, the inquiry call and the response call, which comprise an interactive communication system in Spix's disc-winged bats, Thyroptera tricolor. We documented structural ... -
Ontogeny repeats phylogeny in Steatoda and Latrodectus spiders
(2010)Web designs of young spiders are often less derived than those of older conspecific individuals. This study tested whether this ‘‘ontogeny repeats phylogeny’’ pattern occurs in two species of Latrodectus and two species ... -
Optimization of a Fungally Bioaugmented Biomixture for Carbofuran Removal in On-Farm Biopurification Systems
(2016)Biomixtures comprise the active part of biopurification systems (BPS) for the removal of pesticide-containing wastewater from agricultural origin. Considering that biomixtures contain an important amount of lignocellulosic ... -
Orchid taxonomy on a global scale: a network for data verification
(2018)The genesis and early establishment of the Epidendra project are presented, reviewing the implications of taxonomic databasing on a global scale. The need for data verification and the adoption of an open systematic framework ... -
Orchidaceae acostanae: typification of Costa Rican orchid species described by Rudolf Schlechter from collections by Guillermo Acosta
(2023)Rudolf Schlechter (1872–1925) described several orchid taxa based on specimens collected in Costa Rica during the first half of the 20th century. Unfortunately, the type material kept at the Botanical Museum of Berlin-Dahlem ... -
Orchidaceae tonduzianae: Typification of Costa Rican Orchidaceae Described from Collections of Adolphe Tonduz
(2016-12-31)The Swiss botanist Adolphe Tonduz worked in Costa Rica from 1889 to 1920. For 20 years he carried out important activities as a plant collector and the curator of the largest Costa Rican herbarium beginning at the Instituto ... -
Orchidaceae werckleanae: typification of Costa Rican orchid species described from collections by K. Wercklé
(2010)A catalogue of 84 orchid species described by R. Schlechter from plants collected in Costa Rica by Karl Wercklé is presented. Lectotypification is provided for 60 of the 84 species. Previously lectotypified species, based ... -
Orchids of Paradise
(2018)WHERE IT ALL BEGAN The Italian explorer and navigator Cristoforo Colombo (Christopher Columbus, c.1451–1506) discovered the paradise during his fourth voyage across the Atlantic Ocean, when searching for a passage west ... -
Origen, historia natural y usos de las plantas introducidas en Costa Rica
(2020)RESUMEN. Introducción: Algunas especies de plantas introducidas cambiaron la historia de Costa Rica desde el siglo XVI. Muchas se convirtieron en los cultivos socioeconómica y ambientalmente más impactantes de este país; ... -
Las orquídeas de la Isla del Coco
(2005-08)A pesar de que a veces parece que el mundo se ha vuelto demasiado pequeño y muy bien conocido, todavía hay algunos lugares remotos y solitarios que no han sido totalmente conquistados por el hombre. La Isla del Coco es uno ... -
Orquídeas, Tesoro de Colombia
(2019)In this second volume of the work, the generic treatment is preceded by an extensive chapter on orchids and philately in Colombia, written by Antonio Raad Aljure and profusely illustrated with photographs taken by ... -
Otro más que atraviesa el mutualismo plata - hormiga
(2018)Las interacciones mutualistas entre hormigas y plantas son comunes y el grado de especialización varía mucho entre ellas. Algunas especies de hormigas en el género Pseudomyrmex mantienen relaciones mutualistas obligatorias ... -
Oxic and Anoxic Organic Polymer Degradation Potential of Endophytic Fungi From the Marine Macroalga, Ecklonia radiata
(2021-10-18)Cellulose and chitin are the most abundant polymeric, organic carbon source globally. Thus, microbes degrading these polymers significantly influence global carbon cycling and greenhouse gas production. Fungi are recognized ... -
Oxidative dissolution of synthetic vivianites as a method for the crystallization of molecular structural motifs
(2021)Isolation of structural motifs from minerals can be used to improve the understanding of fundamental processes such as catalytic mechanisms and spectroscopic vibrations. In this study, we designed an oxidative dissolution ... -
Oxybelis aeneus: aggressive interactions with the clay-colored trush (Turdus grayi)
(2018)In this note an aggressive encounter between a brown vine snake (Oxybelis aeneus) and a clay-colored thrush (Turdus grayi) is reported. The observations took place in the campus of the University of Costa Rica, Limón ... -
Pabstiella Brieger and Senghas [with a new combination]
(2020-02)Species of Pabstiella from the flora of Costa Rica are presented and discussed. A new combination, Pabstiella aperta, is proposed, and the species is illustrated. -
Papel de la bacteria endosimbionte Wolbachia en el control de enfermedades vectoriales: dengue, zika y chikunkunya
(2017)Wolbachia es un género de bacterias perteneciente al orden Rickettsiales, que participa en diversas relaciones simbióticas con varios organismos, principalmente artrópodos y nematodos. Debido a su capacidad para inducir ...