Ingestion and transfer of microplastics in the planktonic food web

被引：1150

作者：

Setala, Outi ^{[1
]}

Fleming-Lehtinen, Vivi ^{[1
]}

Lehtiniemi, Maiju ^{[1
]}

机构：

[1] Finnish Environm Inst, Ctr Marine Res, FI-00251 Helsinki, Finland

来源：

ENVIRONMENTAL POLLUTION | 2014年 / 185卷

关键词：

Microplastic litter; Zooplankton; Trophic transfer; Planktonic food web; CYANOBACTERIAL TOXINS; DINOFLAGELLATE TOXINS; CLEARANCE RATES; PLASTIC DEBRIS; SIZE SELECTION; SW COAST; ZOOPLANKTON; PARTICLES; ALEXANDRIUM; ABUNDANCE;

D O I：

10.1016/j.envpol.2013.10.013

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Experiments were carried out with different Baltic Sea zooplankton taxa to scan their potential to ingest plastics. Mysid shrimps, copepods, cladocerans, rotifers, polychaete larvae and ciliates were exposed to 10 mu m fluorescent polystyrene microspheres. These experiments showed ingestion of microspheres in all taxa studied. The highest percentage of individuals with ingested spheres was found in pelagic polychaete larvae, Marenzelleria spp. Experiments with the copepod Eurytemora affinis and the mysid shrimp Neomysis integer showed egestion of microspheres within 12 h. Food web transfer experiments were done by offering zooplankton labelled with ingested microspheres to mysid shrimps. Microscopy observations of mysid intestine showed the presence of zooplankton prey and microspheres after 3 h incubation. This study shows for the first time the potential of plastic microparticle transfer via planktonic organisms from one trophic level (mesozooplankton) to a higher level (macrozooplankton). The impacts of plastic transfer and possible accumulation in the food web need further investigations. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：77 / 83

页数：7

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