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Ecotoxicology and pesticides in tropical aquatic ecosystems of Central America
Although pesticide use is high in the Central American region, few studies concerning environmental levels and effects of pesticides in aquatic ecosystems have been conducted. In this review 18Expand
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Hazardous Pesticides in Central America
Abstract Pesticides are an extensively documented occupational and environmental hazard in Central America. Yet, severe problems persist. Toxic pesticide use in the Region increased during 1985–1999.Expand
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Monitoring Pesticide Use and Associated Health Hazards in Central America
Abstract We established methods for monitoring pesticide use and associated health hazards in Central America. With import data from Belize, Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua,Expand
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Risk assessment of agriculture impact on the Frío River watershed and Caño Negro Ramsar wetland, Costa Rica
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 mayExpand
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The changes in cyanide content of cassava (Manihot esculenta crantz) tissues during plant development
The cyanide concentrations in the leaves, meristems, root cortex and root parenchymal tissues of cassava (cv. Valencia) were investigated at 2-month intervals up to a plant age of 17 months. SixExpand
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An evaluation of enzymic and autolytic assays for cyanide in cassava (Manihot esculenta, crantz)
The total cyanide contents of cassava parenchymal tissue (peeled roots), cassava cortex (peel) and cassava leaves were evaluated by autolytic and enzymic assays. Autolysis of parenchymal tissue wasExpand
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Pesticide exposure on sloths ( and ) in an agricultural landscape of Northeastern Costa Rica Bradypus variegatus Choloepus
Between 2005 and 2008, wild and inhabiting an agricultural landscape and captive animals from a rescue center in Northeastern Costa Rica were studied to assess exposure to pesticides. A total of 54Expand