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首页> 外文期刊>Environmental Monitoring and Assessment >Quality assessment of escaping silver eel (Anguilla anguilla L.) to support management and conservation strategies in Mediterranean coastal lagoons
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Quality assessment of escaping silver eel (Anguilla anguilla L.) to support management and conservation strategies in Mediterranean coastal lagoons

机译：逃离银鳗（Anguilla Anguilla L.）的质量评估，以支持地中海沿海泻湖的管理和保护策略

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Silver eel samples, collected from the lagoons of Fogliano and Caprolace (Italy), were investigated for a broad range of contaminants (29 polychlorinated biphenyls, 9 polybrominated diphenyl ethers, 5 dichlorodiphenyltrichloroethane, 5 chlordanes, hexachlorobenzene, 3 hexachlorocyclohexane, and 5 metals). Concentrations of targeted compounds stand for a general low contamination pattern. Infestation byAnguillicola crassusand virus infections were also examined. No parasite infestation was found, while infected silver eels had a low prevalence for EVEX, and, for the first time in the Mediterranean area, for AngHV-1. Overall, a good quality status of escaping silver eels, for both lagoons, was highlighted by the use of integrative Indexes. A quality assessment of the ecological status of the two lagoons was carried out developing an expert judgment approach, in order to characterize the habitat of eel stocks. A Final Pressure Index was derived, whose values showed an overall limited global anthropogenic impact acting on both lagoons. Results stand for the suitability of an integrated approach to assess lagoon habitats and eel local stocks quality. This could be proposed as a tool to identify sites yielding high quality eel spawners in the Mediterranean region, in order to set up suitable management frameworks, providing elements to appraise and discuss the potential of coastal lagoons in the Mediterranean region towards the recovery of the eel global stock.
机译：研究了从烟囱和己内泻（意大利）收集的银鳗鱼样本，用于广泛的污染物（29个聚氯联苯，9个聚溴二苯醚，5二氯甲酸苯基三氯乙烷，5氯烷烃，六氯苯，3六氯环己烷和5金属）。靶向化合物的浓度代表一般的低污染模式。还检查了Ganguillicola Crassusand病毒感染。没有发现寄生虫侵染，而感染的银鳗对EVEX的流行率低，而且在地中海的第一次为ANGHV-1。总的来说，通过使用综合指标，突出了逃离银鳗的良好质量地位，突出了泻湖。对两种泻湖的生态状况进行了质量评估，开展了专家判断方法，以表征鳗鱼股的栖息地。衍生最终压力指数，其值显示出对两个泻湖作用的整体有限的全球性人为影响。结果适用于综合方法评估泻湖栖息地和鳗鱼当地股票质量。这可以提出作为识别地中海地区产生高质量EEL产卵的网站的工具，以建立合适的管理框架，提供评估元素，并讨论地中海地区沿海泻湖的潜力朝向鳗鱼的恢复全球股票。

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