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First characterization of the ecotoxicologic effects of waters from North of Portugal, using mortality of the crustacean Daphnia magna as effect criterion

机译:首先使用甲壳动物大型蚤的死亡率作为影响标准来描述葡萄牙北部水域的生态毒理效应

摘要

Water contamination can result in the deterioration of its ecological quality and value forhuman consumption. The present work assessed the ecotoxicologic effects of potentialcontaminants present in several water samples from varied provenience (aquifer, municipalspring, rivers, public distribution system and treated effluents from a car garage). The adoptedend-point was immobilization of Daphnia magna juveniles. The obtained results showhigh toxicity for samples collected from the aquifer, municipal spring and public distributionsystem. Intermediate toxicity was attributed to the treated garage effluents. No toxicity was observed for river water. A contaminação da água pode resultar na deterioração da sua qualidade tanto ecológicacomo para consumo humano. Este trabalho avaliou os efeitos ecotoxicológicos de contaminantesem amostras de água de diversa proveniência (aquífero, fonte municipal, rios, águade distribuição pública e efluentes tratados de uma oficina). O parâmetro avaliado foi a imobilizaçãode juvenis de Daphnia magna. Os resultados obtidos demonstram alta toxicidadepara amostras recolhidas no aquífero, fonte municipal e água de rede pública. Toxicidadeintermédia foi observada para os efluentes tratados da oficina. Nenhuma toxicidade foi observada para a água dos rios.
机译:水污染会导致其生态质量和人类消费价值下降。本工作评估了来自不同省份(含水层,市政温泉,河流,公共分配系统和来自车库的经处理的废水)中的几种水样中存在的潜在污染物的生态毒理作用。采纳的终点是将水蚤(Daphnia magna)少年固定化。获得的结果表明,从含水层,市政温泉和公共分配系统收集的样品具有很高的毒性。中等毒性归因于处理过的车库废水。对于河水未观察到毒性。水的污染可导致其生态和人类消费质量下降。这项工作评估了来自不同来源(含水层,市政来源,河流,公共供水和车间中处理过的废水)的水样中污染物的生态毒理作用。评价的参数是大型蚤的幼虫的固定。所获得的结果表明,对于从含水层,市政水源和公共水中收集的样品具有高毒性。观察到车间的处理后废水具有中等毒性。对于河水未观察到毒性。

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