Manning Therese M, Roach Anthony C, Edge Katelyn J, Ferrell Doug J
Office of Environment and Heritage, PO Box A290 Sydney South NSW 1232, Australia.
Office of Environment and Heritage, PO Box A290 Sydney South NSW 1232, Australia.
Environ Pollut. 2017 May;224:590-596. doi: 10.1016/j.envpol.2017.02.042. Epub 2017 Mar 9.
Sydney Harbour, Australia is contaminated with polychlorinated dibenzo-p-dioxins and furans (PCDD/Fs) and dioxin-like polychlorinated biphenyls (dl-PCBs) due to a historical Union Carbide chemical manufacturing facility. We measured levels of PCDD/Fs and dl-PCBs in over 400 seafood samples (covering 20 species) collected throughout Sydney Harbour. Concentrations ranged from 0.1 to 193 pg total TEQ (WHO)/g wet weight. These concentrations were above those considered safe for human consumption in many cases. Dioxin accumulation varied among species and was associated with life history traits. Mobile species had elevated concentrations throughout Sydney Harbour whereas accumulation in species likely to move less widely was dependent on the distance they were caught from the point source. This large scale study on multiple species of recreationally caught seafood resulted in the implementation of human consumption advisories for recreational fishing based on individual species and distance from point source. In addition, all forms of commercial fishing in Sydney Harbour were banned.
由于历史悠久的联合碳化物化学制造工厂，澳大利亚悉尼港受到多氯二苯并 - 对 - 二恶英和呋喃（PCDD/Fs）以及二恶英类多氯联苯（dl - PCBs）的污染。我们测量了在悉尼港采集的400多个海鲜样本（涵盖20个物种）中的PCDD/Fs和dl - PCBs水平。浓度范围为0.1至193皮克总毒性当量（WHO）/克湿重。在许多情况下，这些浓度高于被认为对人类消费安全的浓度。二恶英积累在不同物种间存在差异，并且与生活史特征相关。洄游物种在整个悉尼港的浓度都有所升高，而活动范围可能较小的物种中的积累则取决于它们被捕捞地点与点源的距离。这项针对多种休闲捕捞海鲜物种的大规模研究导致根据单个物种和与点源的距离实施了休闲捕鱼的人类消费建议。此外，悉尼港的所有商业捕鱼形式都被禁止。
