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首页> 外文期刊>Parasitology >Parasites as heavy metal bioindicators in the shark Carcharhinus dussumieri from the Persian Gulf.
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Parasites as heavy metal bioindicators in the shark Carcharhinus dussumieri from the Persian Gulf.

机译：寄生于波斯湾的鲨鱼Carcharhinus dussumieri中的重金属生物指示剂。

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摘要

In this study the lead and cadmium concentrations in the liver, intestine, muscle and gonad of the shark Carcharhinus dussumieri and its parasites, Anthobothrium sp. and Paraorigmatobothrium sp. (Cestoda), were measured and compared. Tissue samples were collected from Iranian coastal waters of the Persian Gulf. After tissue preparation, the cadmium and lead concentrations were analysed using the Inductively Coupled Plasma technique. The results revealed that lead and cadmium concentrations in both parasite species were many times higher than in the host tissues. The results strongly support the view that helminth parasites are extremely sensitive early warning bioindicators, particularly in sensitive environments under threat but where pollution levels are presently low. They may also have a beneficial effect on the health of their hosts by acting as heavy metal filters.
机译：在这项研究中，鲨鱼Carcharhinus dussumieri及其寄生虫Anthobothrium sp。的肝脏，肠，肌肉和性腺中的铅和镉浓度。和副原虫属sp。 （Cestoda），进行了测量和比较。组织样品是从波斯湾的伊朗沿海水域采集的。组织准备后，使用感应耦合等离子体技术分析镉和铅的浓度。结果表明，两种寄生虫中铅和镉的浓度比宿主组织中高很多倍。结果强烈支持以下观点：蠕虫寄生虫是极为敏感的预警生物指示剂，尤其是在受到威胁但目前污染水平较低的敏感环境中。它们还可以作为重金属过滤器，对宿主的健康产生有益的影响。

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