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首页> 外文期刊>Journal of Environmental Management >A framework for valuing the health benefits of improved bathing water quality in the River Irvine catchment
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A framework for valuing the health benefits of improved bathing water quality in the River Irvine catchment

机译：评估尔湾河流域改善沐浴水质量对健康的益处的评估框架

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摘要

A simple model predicting bathing water concentrations of Escherichia coli from livestock in the Irvine catchment in SW Scotland has been adapted for intestinal enterococci (IE). This has been used to predict risk of bather illness by extrapolation of published data on bather IE exposure vs incidence of gastro-enteritis. Simulated reduction in the risk of illness by reduced faecal loading was multiplied by a willingness to pay for risk reduction to estimate the annual benefits of mitigation. Health benefits of reducing loading by 75% at Irvine Beach were estimated by a willingness to pay method to be about ￡276k pa. Estimated annualised costs of diffuse pollution mitigation measures across the catchment were higher ( > ￡1 m), and it is very unlikely that 75% mitigation is achievable with current stocking rates. Further work should explore the influence of uncertainty of model parameters, and use emerging epidemiological information on specific zoonotic pathogens such as E. coli O157 and Cryptosporidium. Other components of the value of clean water should also be included to obtain a complete estimate of the cost:benefit of mitigation.
机译：在苏格兰西南部的尔湾流域，预测牲畜沐浴水中大肠杆菌浓度的简单模型已被改编为肠球菌（IE）。通过将已发布的有关入浴者IE暴露与胃肠炎发生率的数据外推，已将其用于预测入浴者患病的风险。通过减少粪便负荷来模拟降低疾病风险，再乘以愿意为降低风险而付出的费用，以估算缓解措施的年度收益。愿意支付的方法估计，在尔湾海滩减少75％的食物的健康益处约为每年27.6万英镑。整个流域的弥散性污染缓解措施的估计年度成本较高（> 100万英镑），并且以当前的放养率实现75％的缓解是极不可能的。进一步的工作应该探索模型参数不确定性的影响，并使用新兴的流行病学信息来研究特定的人畜共患病病原体，例如大肠杆菌O157和隐孢子虫。清洁水价值的其他组成部分也应包括在内，以获得对成本的总体估算：缓解的好​​处。

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