Browsing Artículos Científicos by Title
Now showing items 1-20 of 56
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A Combined Metagenomics and Metatranscriptomics Approach to Unravel Costa Rican Cocoa Box Fermentation Processes Reveals Yet Unreported Microbial Species and Functionalities
(Frontiers Media, 2021-02-16)Cocoa fermentation is the first step in the post-harvest processing chain of cocoa and is important for the removal of the cocoa pulp surrounding the beans and the development of flavor and color precursors. In the present ... -
A female of Eudorylaimus sp with two vulvae.
(Universidad Nacional, Costa Rica, 2001)A female of Eudorylaimus sp, with two vulvae was found in Tempisque Conservation Area in Costa Rica. Thousands of nematodes have been prepared in Cobb's slides to study nematode diversity in Costa Rica; nevertheless, only ... -
A new dagger nematode, Xiphinema tica n. sp. (Nematoda: Longidoridae), from Costa Rica with updating of the polytomous key of Loof and Luc (1990)
(Springer, 2017-05-15)A new dagger nematode, Xiphinema tica n. sp., is described and illustrated from several populations extracted from soil associated with several crops and wild plants in Costa Rica. The new dagger nematode is characterised ... -
A new ring nematode, Xenocriconemella costaricense sp. nov., (Nematoda: Criconematidae) from Costa Rica
(Universidad Nacional, Costa Rica, 2024-04-20)During nematode surveys of natural vegetation in forests of La Cima de Copey de Dota, San José, San José province, Costa Rica, a Xenocriconemella species closely resembling X. macrodora and related species was found. ... -
A NEW SPECIES OF NEMATODE, SCLERORHABDITIS NEOTROPICALIS SP.N. (RHABDITIDA), ASSOCIATED WITH AZTECA ANTS IN CECROPIA OBTUSIFOLIA
(Nematropica, 2012-06)Sclerorhabditis neotropicalis sp. n. is described and illustrated. It can be distinguished by its body length (515-560 μm in females and 363-455 μm in males), lip region with crown-shaped lips, having acute three acute ... -
A new vanilla species from Costa Rica closely related to V. planifolia (Orchidaceae)
(European Journal of Taxonomy, 2017-02-22)We describe a new vanilla species growing in sympatry with Vanilla planifolia Jacks. ex Andrews (Orchidaceae) in the province of Limón, Caribbean coast of Costa Rica. The morphology of the reproductive and vegetative organs ... -
Adaptación autónoma a eventos hidrometeorológicos extremos: estudio de caso sobre la convivencia de un territorio indígena con el riesgo climático en la cuenca del río Sixaola, Costa Rica
(Universidad Nacional, Costa Rica, 2016-12)La adaptación autónoma se refiere a las medidas tomadas por una población específica, como una respuesta autogestionada a un estímulo climático adverso. La ausencia de ayudas gubernamentales o inversiones de gran magnitud ... -
Almácigos de café producidos en tubetes con diferentes sustratos en Sabanilla de Alajuela, Costa Rica
(Universidad Nacional, Costa Rica, 2020-06-30)Un factor clave en la producción de almácigos es garantizar un sustrato que cumpla con los requisitos de textura, estructura, fertilidad y una buena sanidad, a fin de conseguir plantas sanas, vigorosas y con buen ... -
Anxiolytic activity and active principles of Piper amalago (Piperaceae), a medicinal plant used by the Q’eqchi’ Maya to treat susto, a culture-bound illness
(Elsevier, 2016-06-05)Ethnopharmacological relevance The medicinal plant, Piper amalago L. (Piperaceae), is used traditionally by Q'eqchi' Maya healers for the treatment of "susto" a culture-bound syndrome. Previous research suggests that susto ... -
Biomass dynamics of Erythrina lanceolata as influenced by shoot-pruning intensity in Costa Rica
(Springer, 2003)Pruning of agroforestry trees, while reducing shade of the crops, usually reduces both biomass production and nitrogen fixation. Short pruning cycles are often not sustainable on the long run, because tree production ... -
Características pre-destete de cruces genéticos de bovinos de carne en el trópico seco costarricense
(Universidad de Costa Rica, 2015)El objetivo de esta investigación fue analizar la información de los registros productivos de crías nacidas durante los años 2001-2007 de una finca ganadera ubicada en Cañas, Guanacaste. Ahí se evaluaron 3 razas (Brahman, ... -
Checklist of the vascular flora of Reserva Biológica San Luis, Costa Rica
(Pensoft, 2016-03-21)The Reserva Biológica San Luis is a small protected area located on the Pacific side of the Cordillera de Tilarán, northwestern Costa Rica, with a forest transitioning between the basal and premontane floras according to ... -
Chemical composition of PM 2.5 particles in Salamanca, Guanajuato Mexico: Source apportionment with receptor models
(Science Direct, 2012-04)The National Institute of Ecology, through Management General for Environmental Research and Training (DGCENICA) carried out a sampling campaign where a total of 21 elements were determined in 140PM 2.5 samples from one ... -
Ciencia, tecnología y educación en Costa Rica en el período 2010-2014
(Universidad Nacional, Costa Rica, 2017-09-01)En este artículo se analizaron las distintas redes vinculadas a la formulación de políticas públicas en la Comisión de Ciencia y Tecnología del Congreso de Costa Rica, entre el 2010 y 2014, con el propósito de describir ... -
Citrus Huanglongbing Caused by Candidatus Liberibacter asiaticus Present in the Northern Region of Costa Rica but Has Not Extended to Other Citrus-Growing Areas
(American Phytopathological Society, 2015-10-16)Since 2011, citrus Huanglongbing (HLB, ex-greening) disease has been detected in Los Chiles, Costa Rica, close to the Nicaraguan border, by the State Phytosanitary Service (Servicio Fitosanitario del Estado; SFE) and by ... -
Classification of neck/shoulder pain in epidemiological research: a comparison of personal and occupational characteristics, disability, and prognosis among 12,195 workers from 18 countries
(International Association for the Study of Pain, 2016)To inform case definition for neck/shoulder pain in epidemiological research, we compared levels of disability, patterns of association, and prognosis for pain that was limited to the neck or shoulders (LNSP) and more ... -
Comparación de los problemas fitosanitarios en orquídeas de poblaciones silvestres y de cultivo, como evaluación de riesgos de plagas o epidemias
(Universidad de Costa Rica, 2007)Los ecosistemas naturales mantienen un autocontrol de poblaciones, que es afectada por factores exógenos. Mientras que en sistemas alterados se necesitan controladores exógenos para mantener un cierto tipo de equilibrio ... -
Comportamento do consumidor português de vinho biológico
(Editora Átomo, 2020-05-19)Embora nos últimos anos o vinho biológico tenha evoluído de forma positiva na produção e no consumo, devido a uma maior preocupação e consciência ambiental e com a saúde, continua a ser uma atividade económica em Portugal ... -
Curing of Cocoa Beans: Fine-Scale Monitoring of the Starter Cultures Applied and Metabolomics of the Fermentation and Drying Steps
(Frontiers Media, 2021-01-11)Starter culture-initiated cocoa fermentation processes can be applied to improve the quality of cured cocoa beans. However, an accurate monitoring of the microbial strains inoculated in fresh cocoa pulp-bean mass to assess ... -
Current agro-climatic potential of Patagonia shaped by thermal and hydric patterns
(Springer, 2020-08-16)Changes in thermal and hydric patterns affect crop growth. This research is aimed to assess temporal and spatial trends of 18 climatic and agro-climatic thermal and hydric indices in the north of Argentine Patagonia ...