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Mostrando ítems 31-40 de 218
Importancia de la investigación sobre polinización ornitofílica y la creación de catálogos de polen
(2019)
Las aves cumplen un rol crítico en los bosques tropicales al polinizar flores y dispersar las semillas de muchas especies (Kato 2017, Rocca y Sazima 2008, Stiles y Skuth 1989). Los colibríes son el principal grupo de aves ...
Brief research history and status of myxomycete conservation in the Neotropics
(2012-11-08)
As it is the case of most disciplines, biological groups and regions in the world; the historical
path of research on myxomycetes in the Neotropical region has been written on the basis of a series of
milestones, iconic ...
Primera cita de Frankliniella grandecuriosa Johansen 1998 (Thripini: Thripinae: Thripidae) fuera de México
First record of Frankliniella grandecuriosa Johansen 1998 (Thripini: Thripinae: Thripidae) outside Mexico
(2015-08-28)
Se presenta el primer informe de una especie del grupo Frankliniella curiosa en Costa Rica. Se han recolectado recientemente dos especímenes de esta especie en la inflorescencia de una especie no determinada de Ageratum ...
Caracterización molecular de bacterias simbióticas provenientes de especies forestales leguminosas y evaluación de la respuesta de inoculación
(2023-05-26)
La diversidad de bacterias fijadoras de nitrógeno asociada con especies forestales tropicales ha sido relativamente poco estudiada. En este estudio se aislaron bacterias simbiontes en nódulos de ocho especies forestales ...
Growth and hydrogen production by three Chlamydomonas strains cultivated in a commercial fertilizer
(2019)
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 ...
First characterization of seagrasses at S´amara Bay, Pacific coast of Costa Rica
(2022)
Seagrasses are found at limited locations in the Eastern Tropical Pacific (ETP). Here, we provide the first characterization of seagrasses at Sámara Bay, on the northern Pacific coast of Costa Rica. Sampling was carried ...
Diurnal changes of photosynthesis and growth of Arthrospira platensis cultured in a thin-layer cascade and an open pond
(2017)
Diel changes in photosynthetic performance and biomass productivity were thoroughly examined in Arthrospira platensis cultures grown outdoors in an open circular pond (OCP) and a thin-layer cascade (TLC). The two cultures ...
Genetic analysis of the dry forest timber tree Sideroxylon capiri in Costa Rica using AFLP
(2015-01)
Sideroxylon capiri (“Tempisque”) is a threatened and economically important timber species in the dry forest of Costa Rica. To assess the extent of the genetic diversity between and within populations of this species, 86 ...
Costa Rica
(2014)
Costa Rica is a country with abundant and diverse freshwater ecosystems, which are influenced and characterized by different orographic precipitation regimes. This variety of habitats harbors great biological diversity, ...
Presence of microplastics in six bivalve species (Mollusca, Bivalvia) commercially exploited at the Pacific coast of Costa Rica, Central America
(2022-08)
Microplastic pollution represents a serious threat to coastal marine systems. We evaluated the presence of microplastics (MPs) in 168 specimens of six commercially exploited bivalve species in the Golfo de Nicoya, Costa ...