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Efectos de los plaguicidas clorotalonil y β-Endosulfan en renacuajos de Agalychnis callidryas, Isthmohyla pseudopuma y Smilisca baudinii (Anura: Hylidae)
(Universidad Nacional (Costa Rica). Instituto Regional de Estudios en Sustancias Tóxicas. Maestría en Ecotoxicología Tropical, 2017)
Evalúa los efectos agudos y crónicos en renacuajos de Agalychnis callidryas, Isthmohyla pseudopuma y Smilisca baudinii expuestos al clorotalonil y en I. pseudopuma expuestos al β-endosulfan, en condiciones de laboratorio, ...
Retos y oportunidades en el uso de modelos de exposición acuática para el registro de plaguicidas de uso agrícola en Costa Rica
(Universidad Nacional, Costa Rica, 2020-02)
Los plaguicidas utilizados en la agricultura pueden entrar en los cuerpos de agua y tener efectos sobre otros organismos en el ambiente. Para evitar efectos negativos sobre los ecosistemas se recomienda que los países ...
Perlidae (Plecoptera) como modelo en estudios ecotoxicológicos: el caso del insecticida Carbaril
(Universidad Nacional, Costa Rica, 2020)
En América Central, el uso de insectos acuáticos nativos en los estudios
ecotoxicológicos ha sido un campo de investigación poco desarrollado, debido a la
escasa información sobre la descripción taxonómica de las ...
Assessment of pesticide exposure in the agricultural population of Costa Rica
(British Occupational Hygiene Society, 2005)
We describe a model for the retrospective assessment of parental exposure to 26 pesticides, selected by toxicity-based prioritization, in a population-based case–control study of childhood leukaemia in Costa Rica (301 ...
Field testing passive air samplers for current use pesticides in a tropical environment
(Universidad Nacional, Costa Rica., 2008)
Air was sampled for one year in the central valley of Costa Rica using an active high-volume sampler as well as passive samplers (PAS) based on polyurethane foam (PUF) disks and XAD-resin filled mesh cylinders. Extracts ...
Mortality among a Cohort of Banana Plantation Workers in Costa Rica
(Taylor & Francis, 2006)
The nematocide 1,2-dibromo-3-chloropropane (DBCP), widely used in Costa Rica during the late 1960s and 1970s, causes sterility in men and is a possible carcinogen. Mortality among a cohort of Costa Rican banana plantation ...
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. ...
Risk assessment of agriculture impact on the Frío River watershed and Caño Negro Ramsar wetland, Costa Rica
(Springer, 2017-01-10)
The Caño Negro Ramsar wetland is a conservation area of great natural and societal value, located in the lower part of the Frío River watershed in the north of Costa Rica. Its aquatic ecosystems may be considered vulnerable ...
Acute, chronic and biochemical effects of chlorothalonil on Agalychnis callidryas, Isthmohyla pseudopuma and Smilisca baudinii tadpoles
(Springer, 2016-08-05)
Declines of amphibian populations have been a worldwide issue of concern for the scientific community during the last several decades. Efforts are being carried out to elucidate factors related to this phenomenon. Among ...