Now showing items 1-10 of 83
Menopause, A Universal Female Experience: Lessons from Mexico and Central America
(Current Women’s Health Reviews 4(1), 3-8, 2008)
In Mexico and Central America, women typically experience menopause up to 10 years earlier than their U.S. counterparts. This may be due in part to numerous pregnancies, long periods of lactation, poor nutrition, extreme ...
Neuropsychological Test Performance in Cognitively Normal Spanish-speaking Nonagenarians with Little Education
To find associations of age, sex, and education with neuropsychological test performance in cognitively normal Spanish-speaking Costa Rican nonagenarians with little education; to provide norms; and to compare their ...
Faulting, shallow seismicity and seismic hazard analysis for the Costa Rican Central Valley
A seismic hazard map for the Metropolitan Area of San Jose has been elaborated, based on local tectonic and seismic information. The area for the hazard computation covers an area of 20 x 15 km2 and includes the zone where ...
Size at maturity of the Pacific bearded brotula (Ophidiidae: Brotula clarkae): a commercially exploited species in the Pacific of Costa Rica
Talla de madurez sexual del congrio rosado (Ophidiidae: Brotula clarkae): una especie de importancia comercial en el Pacífico de Costa Rica
The deep-water shrimp fishery is of great commercial importance along the Pacific coast of Latin America. In Costa Rica, shrimp resources have declined considerably over the last decade. Therefore, fisheries have shifted ...
Cambios en la cobertura de manglares en Bahía Culebra, Pacífico Norte de Costa Rica (1945-2010)
Changes in mangrove coverage in Culebra Bay, North Pacific of Costa Rica (1945-2010)
Los manglares tienen gran importancia ecológica, económica, riqueza natural y prestan servicios ambientales. No obstante, son amenazados por la sobreexplotación, la contaminación y el cambio de uso de suelo. Costa Rica ...
Hydrogen production by immobilized Synechocystis sp. PCC 6803
The ability of the immobilized Synechocystis sp. PCC 6803 cells to produce hydrogen via an indirect light driven process was investigated. Cells were successfully immobilized in a calcium alginate gel matrix. Beads were ...
Estudio fotomicrográfico de la genitalia y estructuras accesorias de las formas del género Pediculus Linneo 1758 asociadas al hombre y los monos del Nuevo Mundo (Anoplura: Phthiraptera)
Microphotographic study of genitalia and accessory structures of the forms of genus Pediculus Linnaeus 1758 associated Man and New World monkeys (Anoplura: Phthiraptera)
En este trabajo se explora la ultraestructura de las setas genitales accesorias de la hembra y la estructura de la mayor sección esclerotizada de la genitalia del macho de Pediculus humanus L. Se utilizaron especímenes ...
Updated checklist and analysis of completeness of the marine fish fauna of Isla del Coco, Pacific of Costa Rica
Isla del Coco, Costa Rica, is one of the five groups of oceanic islands of the Eastern Tropical Pacific (ETP), and is considered one of the most diverse. Since the mid-19th century, it has been the target of a number of ...
Growth and hydrogen production of outdoor cultures of Synechocystis PCC 6803
Synechocystis sp. PCC 6803, a freshwater cyanobacterium, was cultivated outdoors in a 50 L tubular photobioreactor to study the acclimation of cells to solar light in cultures grown at different initial mean biomass ...
Key to the species of the genus Scleria (Cyperaceae) in Costa Rica based on the morphology of achenes
We described the achenes of 21 species of the genus Scleria reported in Costa Rica using 16 morphological characters and developed a key based only on achene characteristics. Specimens deposited in herbaria in Costa Rica ...