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首页> 外文期刊>Estuarine coastal and shelf science >Anthropogenic particles in the zooplankton aggregation layer and ingestion in fish species along the Catalan continental shelf
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Anthropogenic particles in the zooplankton aggregation layer and ingestion in fish species along the Catalan continental shelf

机译：Anthropogenic particles in the zooplankton aggregation layer and ingestion in fish species along the Catalan continental shelf

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摘要

In this study, we examine anthropogenic particles (APs) in the zooplankton aggregation layer and in fish species along the continental Catalan shelf. APs in the zooplankton aggregation layer were found in 100 of the net tows. Fibres of textile origin dominated the types of AP found in the zooplankton aggregation layer (96). APs were found ingested in all species of fish at each sampling site, with an overall ingestion occurrence of 21, with the most abundant fragments (62). Significant differences in ingestion occurrence were found between species and hierarchal cluster analysis identified two feeding groups, S. pilchardus, T. trachurus and P. erythrinus almost exclusively ingested fibres while T. mediterraneus, S. colias and S. cantharus almost exclusively ingested fragments. The results indicate that the ingestion of APs in the first group of species occurs through indirect ingestion, whereas, in contrast, the second group is composed of more predatory and selective feeders, possibly through accidental predation. In general, our findings indicate that the fate of APs in fish on the Catalan continental shelf depends on the combination of feeding ecology and the availability of APs in the water column.

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