Browsing Escuela de Ciencias Biológicas by Title
Now showing items 699-718 of 1184
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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network of computational biology communities: ISCB's Regional Student Groups breaking barriers [version 1; peer review: not peer reviewed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% ... -
Guía de identificación de plántulas y semillas para las especies forestales más utilizadas en viveros de Costa Rica
(Universidad Nacional (Costa Rica), 2004)En nuestro país la explotación sin ninguna mediada o medio de motivación ha venido en aumento durante los últimos años, muchas especies se encuentran en peligro de extinción debido a esto (Jiménez 1999). Se ha venido ... -
Habilidades blandas y científicas que se potencian en los estudiantes que participan de los procesos de entrenamiento en las Olimpiadas Costarricenses de Ciencias Biológicas (2015-2021)
(Universidad Nacional (Costa Rica), 2022)Esta investigación tuvo como objetivo analizar las habilidades blandas (esenciales o transversales) y científicas que se potencian en estudiantes que participan de los procesos de entrenamiento en las Olimpiadas ... -
Habitat use and age structure of the Fer-de-Lance (Bothrops asper, Viperidae) in Braulio Carrillo National Park, Costa Rica
(British Herpetological Society, 2021)The Fer-de-lance or terciopelo (Bothrops asper) inhabits a wide range of environmental conditions and habitats across Central America. While much information on the species is based on anecdotal observations and museum ... -
Hacia la recuperación de las poblaciones de tortugas marinas en el caribe costarricense : el proceso del diseño de un plan de acción
(Universidad Nacional (Costa Rica), 2007)Esta tesis se desarrolló desde junio del 2004 a enero del 2006, aplicando acciones desde la comunidad de Barra del Colorado hasta la comunidad de Gandoca. El problema planteado en esta tesis fue el descenso en la abundancia ... -
Hacia un proceso de educación ambiental no formal y contextualizado en la comunidad de Chacarita, Puntarenas, Costa Rica
(Universidad Nacional (Costa Rica), 2023-01-01)Las acciones en educación ambiental costeras son escasas. A nivel mundial, muchas de las comunidades aledañas a manglares viven en condiciones de pobreza y Costa Rica no es la excepción, esto debido a la mala gestión y ...