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Intra- and inter-annual variation in a seagrass meadow on the Caribbean coast of Costa Rica: 2009-2015
Variación intra e inter anual en una pradera de pastos marinos en la costa caribeña de Costa Rica: 2009-2015
(2018)
Seagrass beds are an important ecosystem on the Caribbean coast of Costa Rica. At Cahuita National Park (CNP) a seagrass bed at Perezoso has been monitored continually since 1999 within the CARICOMP program. Thalassia ...
Polychaetes associated with decaying wood in Térraba mangrove, South Pacific, Costa Rica
Poliquetos asociados a madera en descomposición en el manglar de Térraba, Pacífico Sur, Costa Rica
(2015)
The present study shows spatial patterns in the faunal assemblage of decaying wood and sediments, with emphasis on the polychaetes. The survey was executed across a salinity gradient in a tropical mangrove estuary of Costa ...
Caracterización anatómica ultraestructural de las variantes “Atlántica”, “Sur” y “Cebolla” del bambú, Guadua angustifolia (Poaceae: Bambusoideae), en Costa Rica
(2006-08-20)
We present an ultrastructural characterization of three variants or “forms” of Guadua angustifolia
and of the closely related Guadua sp., from Costa Rican populations. Their ultrastructure is similar. Differences are: ...
Ultraestructura del bambú Guadua amplexifolia (Poaceaea: Bambusoideae) presente en Costa Rica
(2006-12)
Se estudió la ultraestructura anatómica de la lámina y la vaina de la hoja, así como de la bráctea del culmo, de Guadua angustifolia var. Bicolor, por medio de los micros-copio electrónico de barrido. Se encontraron ...
In vitro multiplication of Toxoplasma gondii and Trypanosoma cruzi in mouse, rat and hamster astrocytes
(2003-08-01)
The infection and multiplication of Toxoplasma gondii and Trypanosoma cruzi were compared in primary cultures of white rat, mouse and hamster astrocytes. These cells were cultured on cover slides and infected with T. gondii ...
Productividad primaria en el Humedal Nacional Térraba-Sierpe, Costa Rica
Primary productivity in the National Térraba-Sierpe Wetland, Costa Rica
(2015)
Se determinó la productividad primaria (PP) del fitoplancton en un amplio sector del Humedal Nacional Térraba Sierpe (HNTS) de Costa Rica, durante la estación lluviosa del año 2008 y en la estación seca del año 2009. Seis ...
Ammonium and phosphate removal using batch laboratory cultures by microalgae and cyanobacteria isolated from Costa Rica water bodies
Remoción de amonio y fosfato en cultivos de laboratorio con microalgas y cianobacterias aisladas de cuerpos de agua de Costa Rica
(2018)
This research analyzed three green microalgae (Scenedesmus sp., Chlamydomonas sp., and Chlorella
sp.) and two cyanobacteria (Synechocystis sp. as unicellular strain and Nostoc sp. as filamentous strain) native
from Costa ...
Brachiopods, sipunculans, enteropneusts and metals from two estuarine tidal flats, Pacific, Costa Rica
Braquiópodos, sipuncúlidos, enteropneustos y metales en dos planicies estuarinas de marea, Pacífico, Costa Rica.
(2016-09)
Reports on the abundances and on metal concentrations in intertidal estuarine invertebrates from the
Eastern Tropical Pacific are rare. Thus, the objectives of this report are to make accessible data on the abundances
...
Introducción a los grupos de macroinvertebrados acuáticos
(2010)
Cada ambiente requiere adaptaciones particulares y por lo tanto alberga distintos grupos de organismos. El agua dulce es un medio distinto del agua salada y de la tierra firme. Muy pocas especies son capaces de vivir en ...
Un método de transformación genética de maíz para conferirle resistencia ulterior a enfermedades virales
A method for genetic transformation of maize for resistance to viral diseases
(2004-09)
A method for genetic transformation of maize for resistance to viral diseases. A system for the genetic transformation of maize was developed for two Costa Rican varieties: CR-7 and Diamantes 8843, that can allow the ...