Browsing Escuela de Ciencias Biológicas by Title
Now showing items 693-712 of 1182
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La genealogía mitocondrial de Henriette Record en Costa Rica y Estados Unidos
(Asociación de Genealogía e Historia de Costa Rica (Asogehi) (Costa Rica), 2009-12)Hacia mediados del siglo XIX, un joven costarricense, José Gregorio Rojas Vargas, viajó a estudiar medicina a San Francisco de California. Ahí conoció a la hija de un médico, una señorita llamada Emma Bennett, con quien ... -
La genealogía mitocondrial de María Mercedes Cairol Antúnez, huella de la inmigración reciente a Costa Rica
(Asociación de Genealogía e Historia de Costa Rica (Asogehi) (Costa Rica), 2012)El vertiginoso avance de las técnicas de la biología molecular, con apoyo de la antropología, permite en la actualidad detectar procesos demográficos de las poblaciones humanas. Fenómenos migratorios, expansiones poblacionales ... -
Generalidades del phylum porifera y bases para su identificación con sinopsis de algunas de ellas, en Limón, Costa Rica
(Universidad Nacional (Costa Rica), 1989)Revisión bibliográfica sobre la taxonomía del Phylum Porifera asociada a la ausencia de personal especializado en este campo, implica que el presente aporte sea el primer estudio realizado en los litorales de Costa Rica. ... -
Generation and propagation of anticyclonic rings in the Gulf of Papagayo
(Taylor & Francis, 2004)Lagrangian drifting buoys, local meteorological stations and AVHRR data were used to describe the generation and propagation of anticyclonic rings in the Gulf of Papagayo during the upwelling season in 1996. Some ... -
Genetic diversity and structure of Acrocomia aculeata (Jacq.) Lodd. ex Mart. (Arecaceae) using microsatellite DNA markers in Costa Rica
(Universidad Nacional (Costa Rica), 2022)Acrocomia aculeata es una especie de palmera arbórea ampliamente distribuida en el Neotrópico, desde México hasta Argentina, incluidas algunas islas del Caribe. El aceite de la fruta se utiliza para la producción de ... -
Genomic Characterization and Functional Description of Beauveria bassiana Isolates from Latin America
(MDPI, 2023-06-29)Beauveria bassiana is an entomopathogenic fungus used in agriculture as a biological controller worldwide. Despite being a well-studied organism, there are no genomic studies of B. bassiana isolates from Central American ... -
Geostrophic circulation between the Costa Rica Dome and Central America
(Elsevier, 2008)The geostrophic circulation between the Costa Rica Dome and Central America is described from CTD observations collected in two surveys: (a) The Wet Cruise in September–October 1993, and the Jet Cruise in February–March ... -
Gestión del riesgo de desastres: Competencias para una nueva cultura hidroambiental
(Universidad Nacional, Costa Rica, 2022-01-31)The study was aimed to develop and validate competencies, methodologies, and teaching resources for a new hydro-environmental culture in disaster risk management for Costa Rican ... -
Giras educativas: una propuesta didáctica para desarrollar la unidad III : la naturaleza en equilibrio
(Universidad Nacional (Costa Rica), 2005)Los Programas de Estudio constituyen la columna vertebral del quehacer educativo nacional. En él se indica el norte, en lo que a la labor docente se refiere. Los objetivos generales propuestos en el programa oficial de ... -
Global network of computational biology communities: ISCB's Regional Student Groups breaking barriers [version 1; peer review: not peer reviewed
(F1000 Research Ltd, 2019)Regional Student Groups (RSGs) of the International Society for Computational Biology Student Council (ISCB-SC) have been instrumental to connect computational biologists globally and to create more awareness about ... -
Growth and alkaline digestive proteases activity of Parachromis dovii larvae fed live prey and formulated diets with different protein sources
(Universidad Técnica de Manabí (Ecuador), 2022-07-16)Parachromis dovii is a carnivorous cichlid fish from Central America, which easily accepts formulated feeds since exogenous feeding starts; however, its larval growth is lower than that obtained using live food. For this ... -
Growth and feed utilization of Dow cichlid (Cichlasoma dovii) larvae fed Artemia nauplii
(Universidad de Costa Rica (Costa Rica), 1995-12-01)Growth and feed utilization of Dow cichlid larvae (Cichlasoma dovii) fed with Artemia nauplii during the [lISt 12 days are assessed and compared with the growth of the larvae of the jaguar cichlid (Cichlasoma managuense). Growth ... -
Growth and fillet yield in recirculation systems of Lobotes pacificus (Perciformes: Lobotidae), a species with aquaculture potential
(Universidad Nacional (Costa Rica), 2019-07)The genus Lobotes extends across tropical and subtropical areas of oceans such as the Atlantic and the Pacific; it is extracted in artisanal fisheries, and its aquaculture production technology is still under investigation. ... -
Growth and hydrogen production by three Chlamydomonas strains cultivated in a commercial fertilizer
(Elsevier Ltd, 2019-04-19)In the present investigation, we report the growth and hydrogen production of two wild type Chlamydomonas reinhardtii strains isolated from a tropical oxidation pond in Costa Rica. The performance of these two new isolates ... -
Growth and photosynthetic performance of five tree seedlings species in response to natural light regimes from the Central Pacific of Costa Rica
(Universidad de Costa Rica, 2013)Growth and photosynthetic performance of five seedlings of tree species in response to natural light regimes in the Central Pacific of Costa Rica. Environmental heterogeneity mostly dominated by differing light regimes ... -
Growth of Jaguar Cichlid (Cichlasoma managuense) juveniles at different oxygen levels
(Universidad Nacional, Costa Rica, 1992-01-01)The dependence of growth on the dissolved oxygen level was analyzed un juveniles of the guapote tigre, Cichlasoma managuense, in a recirculated system. The guapote tigre is relatively tolerant to low oxygen levels, averaging ... -
Growth of Oreochromis aureus fed with diets containing graded levels of coffee pulp and reared in two culture systems
(Aquaculture vol.217 no.1-4 275-283 2003, 2003)A study was conducted to compare growth and feed utilization of Oreochromis aureus fed graded levels of coffee pulp (CoP) and reared in aquaria or in pens. Diets contained 0, 130, 260 and 390 g kg 1 of oven-dried CoP. ... -
Growth of pacific snook (Centropomus nigrescens) juveniles at different salinities
(Universidad Nacional (Costa Rica), 1995-09-21)Se evaluó el crecimiento de juveniles del róbalo del Pacífico, Centropomus nigrescens con salinidades de 0, 18 y 36 ppt. No hubo diferencias estadísticas significativas ni en el crecimiento ni en el factor de conversión. ... -
Growth performance of Colossoma macropomum (Cuvier) juveniles at different feed rations
(Wiley & Sons, 1992)Growth performance, feed utilization and changes in body composition of Colossoma macropomum (Cuvier) juveniles — in the weight range 2 to 200 g — fed an artificial high protein diet, have been analysed against feed ... -
Growth, feed utilization and nutrient digestibility in tilapia fingerlings (Oreochromis aureus Steindachner) fed diets containing bacteria-treated coffee pulp
(Universidad Nacional, Costa Rica, 2002)The effectiveness of bacteria treated-coffee pulp (BT-CoP) in fish diets was evaluated in a feeding trial with Oreochromis aureus (Steindachner) fingerlings. Five diets were formulated to contain 0%, 6%, 12%, 18% and 24% ...