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Germinación de semillas de Crescentia alata (Bignoniaceae) en distintas condiciones de temperatura, luminosidad y almacenamiento
Seed germination of Crescentia alata (Bignoniaceae) at different temperatures, light conditions, and storage periods
(2019)
Crescentia alata (Bignoniaceae) es una especie arborescente de gran interés cultural y económico desde México hasta Costa Rica. Sin embargo, la protección de las poblaciones naturales y el establecimiento de plantaciones ...
Shade tolerance within the context of the successional process in tropical rain forests
Tolerancia a la sombra en el contexto del proceso de sucesión en los bosques tropicales lluviosos
(2019)
Abstract: Shade tolerance (the capacity to survive and grow over long periods under shade) is a key component of plant fitness and the foundation of current theories of forest succession in tropical rain forests. It serves ...
Moscas sarcofágidas de Costa Rica (Diptera; Cyclorrhapha)
(Revista de Biología Tropical 30(1) p.105-106, 1982)
A brief review of the sarcophagid flies of Costa Rica revealed the presence of 34 species in 21 genera. Some of these species are associated with flowers, rotting fruits and human cadavers.
Ooquistes de Cryptosporidium sp. (Apicomplexa: Cryptosporidiiadae) y presencia del C. parvum en niños de Costa Rica
(1996)
From 1982 to 1987 infant and preschool Costa Rican children with acute diarrhea were studied. Cryptospo ridium (Tyzzer 1912) and other agents of diarrhea were invetigated. Criptosporydium oocysts were diagnosed in Giemsa ...
Genética de la esquizofrenia: avances en el estudio de genes candidatos
(Rev. biol. trop v.52 n.3, p. 467-473 sep. 2004, 2004)
Genetics of Schizophrenia: advances in the study of candidate genes. Schizophrenia is one of the
most severe mental disorders that affect 1% of the population worldwide. It is clear that both genetic and
environmental ...
Patrón de las asociaciones satelíticas en mujeres post-parto y en neonatos
(1985)
Se compararon diferentes aspectos de las asociaciones sateliticas, presentes en dos grupos de 200 células cada uno (2 por individuo), correspondientes a 100 madres post-parto, con edades comprendidas entre 14 y 43 altos y ...
Euphausiids (Crustacea: Euphausiacea) from a hotspot of marine biodiversity, Isla del Coco, Costa Rica, Eastern Tropical Pacific
Eufáusidos (Crustacea: Euphausiacea) de un punto caliente de biodiversidad marina, Isla del Coco, Costa Rica, Pacífico Tropical Oriental
(2016)
Euphausiids have been well studied in several regions of the Pacific Ocean; however, there is less information regarding euphausiids in Costa Rican waters. We analyzed euphausiid specimens collected around Isla del Coco ...
Incidencia y distribución altitudinal de 13 virus en cultivos de Solanum tuberosum (Solanaceae) en Costa Rica
A survey was conducted in 30 fields located at three different altitudes in Cartago, Costa Rica’s main potato producing area. Twenty plants were sampled per farm, for a total of 600 samples with 200 samples per altitude. ...
The countries and languages that dominate biological research at the beginning of the 21st century
(Revista de Biolología Tropical 53 (1-2): 283-294, 2005, 2005)
Traditionally, studies of scientific productivity are biased in two ways: they are based on Current
Contents, an index centered in British and American journals, and they seldom correct for population size, ...
Una doble infección viral en orquídeas del género Cymbidium
(1986)
A double -viral infection in Cymbidium hybrids is described. Virions were discovered by negative staining of sick plant sap, which showed a rigid type and a flexible virus. Two types of viral-cytoplasmatic inclusions, ...