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Now showing items 71-80 of 104
Evaluation of the manipulation that is given to the fishery product in terms of quality and safety at the time of its capture by the artisanal fisherman of the Gulf of Nicoya, Costa Rica
(Universidad Nacional, Costa Rica, 2017-12-18)
The research evaluated the handling and storage type that is given to the fish product in terms of quality and safety at the time of its capture by the fisherman. The methodological tool for obtaining the primary information ...
Presencia de microcistinas en lagunas de tratamiento de agua residual en Costa Rica
(Universidad Nacional (Costa Rica), 2019-06)
Las microcistinas son toxinas hepatotoxicas producidas por cianobacterias del género Microcystis, Anabaena, Oscillatoria y Nostoc(Merel et al., 2013). Debido a que se ha evidenciado la presencia de estas cianobacterias en ...
Pautas para la conservación y el uso de las comunidades de esponjas en los parches arrecifales del Caribe Sur de Costa Rica
(Universidad Nacional (Costa Rica), 2017-10)
Los estudios sobre ecología y manejo de esponjas marinas han sido muy escasos en Costa Rica y el resto del Caribe. Por tanto, esta investigación pretendió evaluar las comunidades de esponjas arrecifales con el fin de ...
Dinámica pesquera de la langostilla roja (Pleuroncodes Planipes Stimpson, 1860), Costa Rica
(Universidad Nacional (Costa Rica), 2018)
Para un aprovechamiento sostenible adecuado se describe temporal y espacialmente al stock de Pleunncodes planipes, dadas evaluaciones pesqueras en la región que indican su alta importancia comercial. Este estudio demuestra ...
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 ...
Dinámica de uso de suelo y sitios prioritarios para la restauración forestal del Corredor Biológico Río Tibás, Costa Rica
(2019-06)
An evaluation was conducted on landscape elements (land use, access roads, slopes, and environmental fragility) and trends in the use of soil during the period 2005-2016 in the area proposed for the Biological Corridor ...
Composición y estructura forestal del Corredor Biológico Interurbano Río Tibás, Heredia, Costa Rica
(2018-01)
This research had as objective to determine the forest structure and floristic composition of the “Tibás River Interurban Biological corridor” region. We delimit three elevational zones/strata in the area and established ...
Design of a monitoring network as a participative management tool: physical and chemical quality of groundwater in three sub-basins in the Central Valley of Costa Rica
(Universidad Nacional, Costa Rica, 2019-01-31)
The groundwater of the Barva, Upper Colima, and Lower Colima aquifers, located in the western part of the Central Valley of Costa Rica represents the main source of drinking water in this region. The purpose of this study ...
Isotopic composition in precipitation and groundwater in the northern mountainous region of the Central Valley of Costa Rica
(Taylor & Francis, 2016)
The linkage between precipitation and recharge is still poorlyunderstood in the Central America region. This study focuses onstable isotopic composition in precipitation and groundwater in the northern mountainous region ...
Análisis del hábitat del jaguar (Panthera onca, Carnivora: Felidae) en la península de Osa, Costa Rica: una perspectiva de paisaje
(Museo Nacional de Costa Rica, 2013)
We made a Landscape analysis of the jaguar habitat (Panthera onca) at the Osa Peninsula (OP), Costa Rica. We quantified the value of ecological variables (forest coverage, jaguar records, terrain roughness and presence of ...