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Now showing items 51-60 of 116
Shifts in reproductive assurance strategies and inbreeding costs associated with habitat fragmentation in Central American mahogany
(Ecology Letters, 2012-05)
The influence of habitat fragmentation on mating patterns and progeny fitness in trees is critical for understanding the long-term impact of contemporary landscape change on the sustainability of biodiversity. We examined ...
Heat exposure in sugarcane workers in Costa Rica during the non-harvest season
(Global Health Action, 2010)
This observational pilot study was carried out at three sugarcane companies in Costa Rica. Its main objective
was to determine the potential for heat stress conditions for workers in one sugarcane-growing region in
Costa ...
Deslizamientos provocados por el terremoto de Cinchona de 2009, Costa Rica
(Universidad Nacional, Costa Rica., 2013)
El 8 de enero del 2009 ocurrió un sismo que generó una gran cantidad de deslizamientos, los cuales
fueron la causa de severos daños ambientales y sociales. La nubosidad de la zona solo permitió hacer mapas aproximados del ...
Dust exposure in workers from grain storage facilities in Costa Rica
(Escuela de Ingeniería en Seguridad Laboral e Higiene Ambiental (EISLHA), Instituto Tecnológico de Costa Rica (ITCR), 2017)
About 12 million workers are involved in the production of basic grains in Central America. However, few studies in the region have examined the occupational factors associated with inhalable dust exposure. About the ...
Playas críticas por erosión costera en el caribe sur de Costa Rica, durante el periodo 2005-2016
(Universidad Nacional, Costa Rica, 2019-05-07)
Desde el 2010 en la prensa local se ha venido reportando un proceso acelerado de erosión en playas arenosas del litoral caribeño costarricense, que incluso ha sido documentado al interior de las áreas protegidas. Para ...
Development of quantitative RNA biomarkers for detecting dioxin-like and estrogenic pollutants in Costa Rican native fish species
(Journal of Environmental Biology, 2014-01)
Monitoring the environmental impact on native species is crucial for the correct management of tropical ecosystems. The Costa Rican fish Parachromis dovii (Cichlidae) and Poecilia gillii (Poecillidae) were used as sentinel ...
Use of cholinesterase activity as a biomarker of pesticide exposure used on Costa Rican banana plantations in the native tropical fish Astyanax aeneus (Günther, 1860)
(Journal of Environmental Biology, 2014-01)
In Costa Rica, thousands of tones of agricultural pesticides have been used for decades and their use is continuously increasing due to intensive and expanding production of coffee, pineapple, rice, ornamental plants and ...
Pesticide exposure on sloths (Bradypus variegatus and Choloepus hoffmanni) in an agricultural landscape of Northeastern Costa Rica
(Journal of Environmental Biology, 2014-01)
Between 2005 and 2008, wild Bradypus variegatus and Choloepus hoffmanni inhabiting an agricultural landscape and captive animals from a rescue center in Northeastern Costa Rica were studied to assess exposure to pesticides. ...
Incidence of childhood cancer in Costa Rica, 2000–2014: An international perspective
(Elsevier, 2018-10)
Background: Estimating childhood cancer incidence globally is hampered by a lack of reliable data from low- and middle-income countries. Costa Rica is one of the few middle-income countries (MIC) with a long-term high ...
Polychaetes associated with decaying wood in Térraba mangrove, South Pacific, Costa Rica
(Universidad de Costa Rica, 2015-04)
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 ...