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Quantifying impacts of pulp mill effluent on fish in Canadian marine and estuarine environments: problems and progress

机译:量化纸浆厂废水对加拿大海洋和河口环境中鱼类的影响:问题和进展

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摘要

Amendments to the federal Pulp and Paper Effluent Regulations in effect since 1992, require mills in Canada discharging effluent to an aquatic receiving envi- ronment to conduct an Environmental Effects Monitoring(EEM)Program to determine whether existing regulations adequately protect fish, fish habitat and use of fisheries resources. As one component of the EEM, mills measure indices of growth, survival and reproduction in wild-caught fish exposed to effluent and compare them with fish not exposed to effluent. A review of the first round of Fish Surveys(Cycle 1: 1993-1996)indicated that they contributed useful data in the freshwater receiving environments for which they had been designed, but performed poorly in the more complex marine and estuarine environments.
机译:自1992年起生效的联邦制浆和造纸废水法规的修正案,要求加拿大的工厂将废水排放到水生接收环境中,以进行环境影响监测(EEM)计划,以确定现有法规是否充分保护了鱼类,鱼类栖息地和使用渔业资源。作为EEM的一个组成部分,工厂测量暴露于废水中的野生捕捞鱼的生长,存活和繁殖指数,并将其与未暴露于废水中的鱼进行比较。对第一轮鱼类调查(周期1:1993-1996)的回顾表明,它们在为其设计的淡水接收环境中提供了有用的数据,但在更复杂的海洋和河口环境中却表现不佳。

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