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Substrate vibrations in the scorpion Centruroides margaritatus (Scorpiones: Buthidae) during courtship
(Rev. Biol. Trop. (Int. J. Trop. Biol. ISSN-0034-7744) Vol. 57 (Suppl. 1): 267-274, November 2009, 2009-11)
Mating behavior in Centruroides margaritatus, as in other scorpion species, includes a series of rapid
rocking or shaking movements of the male (“juddering”). It has been suggested that substrate vibrations are
generated ...
Inventario florístico en varias áreas boscosas en Tabarcia de Mora y Palmichal de Acosta, Costa Rica
(1993)
Se realizó un inventario florístico en la cuenca de los ríos Tabarcia y Negro, San José, con el fin de estimular la creación de un sistema de pequeñas reservas forestales privadas. Se identificaron más de 180 especies ...
New record of the starfish Ophidiaster ludwigi (Echinodermata: Asteroidea) from the Pacific of Mexico and Costa Rica
(2017)
Ophidiaster ludwigi had been reported only from Panama and Peru. Here we add record of the genus and species for Mexico and Costa Rica; and, first time its bathymetric distribution (0-156 m)
Bosque y Población en la Península de Osa, Costa Rica
(Revista de Biología Tropical 50 (2):585-598, 2002, 2002-01)
Este estudio relaciona datos geocodificados de censos de población con información de uso de la tierra proveniente de imágenes de satélite y fotografías aéreas. Se analizan tres procesos: deforestación, reforestación y ...
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 ...
Does a polyphagous caterpillar have the same gut microbiota when feeding on different species of food plants?
(Revista de Biología Tropical 50(2): 547-560, 2002, 2002)
We used classical culture techniques to explore gut bacteria and changes associated with dietary change in the highly polyphagous, tropical caterpillar Automeris zugana(Saturniidae). Fifty-five third instar wild-caught ...
Pasado, presente y futuro de la citogenética en Costa Rica
Past, present and future of cytogenetics in Costa Rica
(Revista de Biología Tropical 52 (3) 537-544, 2004)
Esta es una breve descripcion de lo que ha sido el
desarrollo de la citogenética humana en Costa Rica, la
situacion actual y las expectativas a corto plazo. Esta ciencia-
arte nacio hace poco más de cuarenta años en ...
Monitoreo de pastos marinos en Perezoso, Cahuita, Costa Rica (sitio CARICOMP)
(Revista de Biología Tropical: Vol. 55 (1), 55-66, 2007-03)
The seagrass of
Perezoso (Cahuita National Park, Caribbean coast of Costa Rica) was monitored using the CARICOMP protocol. Productivity (2.7±1.15 g/m
2
/d; n=74) was intermediate, compared to other Caribbean sites. ...
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, ...