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Mostrando ítems 287-306 de 1651
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Climate change-based modeling of potential land use arrangements for coffee (coffea arabica) and forest in Costa Rica
(2017-12)Besides the need to reduce its own emissions, the challenge of the agricultural sector worldwide is also to adapt to a changing and more variable climate. Coffee is an important crop in Costa Rica based on cultivated area ... -
Clodomiro Picado y sus años de formación científica
(1989)Se analizan una serie de factores socioeconómicos, políticas y culturales que jugaron un papel importante en los años de formación del científica costarricense Clodomiro Picado Twight. E! desarrollo político y cultural de ... -
Cocoon web induced by Eruga telljohanni (Ichneumonidae: Pimplinae) in Leucauge sp. (Tetragnathidae)
(2017)The hosts and cocoon webs of koinobiont-ectoparasitic wasps in the genus Eruga Townes in Townes & Townes, 1960 are known for only two species. We describe here the host spider and cocoon web of a third Eruga species: E. ... -
Cohniella Pfizer
(2023-02)Se proporciona una revisión taxonómica del género Cohniella para la Flora Mesoamericana. -
La colección de Entomología Acuática del Museo de Zoología, Universidad de Costa Rica: lista actualizada de géneros, importancia y retos futuros
(2019)Los macroinvertebrados acuáticos, y en especial los insectos, son el grupo de organismos más utilizado para determinar el estado de conservación de los ecosistemas acuáticos en estudios de calidad del agua y biomonitoreo ... -
Collateral effects of microplastic pollution on aquatic microorganisms: An ecological perspective
(2018-12-05)Microplastics (MP) provide a unique and extensive surface for microbial colonization in aquatic ecosystems. The formation of microorganism-microplastic complexes, such as biofilms, maximizes the degradation of organic ... -
Colombian Orchidaceae: A catalogue of the Pleurothallidinae
(2023-08-11)Colombia is a major biodiversity hotspot, having one of the richest orchid floras in the world. The country spans over a million square kilometers of land, hosting a multitude of different ecosystems thanks to the complexity ... -
Columnea blancoi (Gesneriaceae), a new species from the central Pacific region of Costa Rica
(2023-06)We describe and illustrate a new species of Columnea from the Central Pacific region of Costa Rica. Columnea blancoi sp. nov. is morphologically similar to Columnea canarina, from Panama which it can be distinguished by ... -
Combate del síndrome conocido como "Bacteriosis del Palmito"
(2011-08-06)Se describe en forma resumida la labor que se realizó para desarrollar un método integral, económico, eficiente y no contaminante de la plaga-enfermedad conocida por los agricultores como "bacteriosis del palmito". Este ... -
Combined pollution of copper nanoparticles and atrazine in soil: Effects on dissipation of the pesticide and on microbiological community profiles - ScienceDirect
(ScienceDirect, 2021)Copper nanoparticles (NCu) have been proposed as an antimicrobial agent in agriculture. Therefore, NCu may interact with numerous pollutants including pesticides. Little is known about the combined effects of NCu and ... -
Comparación de dos métódos de preparación de tejido para estudiar la anatomía interna del delfácido Tagosodes orizicolus con microscopia de luz y electrónica
(Universidad de Costa Rica, 1997)Two methods of embedding, sectioning and staining were developed to study the intemal anatomy of the delphacid planthopper Tagosodes orizicolus, one of the most important plagues of rice in Latín America and the only vector ... -
Comparación del peso de diferentes tipos de plumas entre cinco especies de aves del páramo de Chirripó, Costa Rica
(1993)Plumage weight was compared in highland and wide-range bird species (N= 18 weight samples): Sooty Robín (Tutdus nigresce/lS). Rufous-collared Sparrow (Zonotrichia cape/lSís), Volcano Junco (íunco vulcani), Slaty Flowerpiercer ... -
Comparaison de deux méthodes pour l’étude et le suivi des communautés coralligènes de Méditerranée occidentale : utilisation de prises de vues en photogrammétrie versus photoquadrats
(2023-07)Over the last few decades, Mediterranean ecosystems have been affected by severe heat waves, leading to massive mortality in many benthic species. These species belong and participate to the formation of one of the most ... -
Comparative Allometry and Sexual Behavior of Four Fruit Fly Species in the Tribe Ceratitidini (Diptera: Tephritidae)
(Journal of the Kansas entomological society 78(1), 2005, pp. 20-33, 2005)Sexual dimorphisms in four related species of tephritid flies were shown to be associated with differences in sexual behavior. In two species, Ceratitis capitata and C. catoirii, males and females approach closely head to ... -
Comparative Analysis of Three Different Total Nucleic Acid Extraction Protocols for the Diagnosis of Geminiviruses in Squash (Cucurbita moschata)
(2012)Squash (Cucurbita moschata) is one of the most important crops in tropical countries. Geminiviruses are an important group of plant pathogens. In 2002 a new begomovirus was reported to naturally infect squash and some other ... -
Comparative analysis on datasets of myxomycetes associated with boreal, temperate and tropical regions of North America
(2020-10)Datasets from boreal (Denali National Park, United States), temperate (Great Smoky Mountains National Park, United States) and tropical (La Selva Biological Station, Costa Rica) regions of North America were subjected ...