Distinct polymer-dependent sorption of persistent pollutants associated with Atlantic salmon farming to microplastics

被引：19

作者：

Abihssira-Garcia, Isabel S. ^{[1
]}

Kogel, Tanja ^{[2
]}

Gomiero, Alessio ^{[3
]}

Kristensen, Torstein ^{[1
]}

Krogstad, Morten ^{[1
]}

Olsvik, Pal A. ^{[1
,2
]}

机构：

[1] Nord Univ, Fac Biosci & Aquaculture, Bodo, Norway

[2] Inst Marine Res IMR, Bergen, Norway

[3] Norwegian Res Ctr NORCE, Environm Dept, Randaberg, Norway

来源：

MARINE POLLUTION BULLETIN | 2022年 / 180卷

关键词：

Microplastic (MP); Atlantic salmon farming; Aquaculture; Persistent organic pollutant (POP); Environmental impact; Chemical interaction; HYDROPHOBIC ORGANIC-CHEMICALS; MARINE-ENVIRONMENT; BIOACCUMULATION; MUSSELS; PELLETS; DEBRIS; SALAR; WATER; PCBS; POPS;

D O I：

10.1016/j.marpolbul.2022.113794

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Interactions of microplastics and persistent organic pollutants (POPs) associated with Atlantic salmon farming were studied to assess the potential role of microplastics in relation to the environmental impact of aquaculture. HDPE, PP, PET and PVC microplastics placed for 3 months near fish farms sorbed POPs from aquafeeds. PET and PVC sorbed significantly higher levels of dioxins and PCBs compared to HDPE, while the levels sorbed to PP were intermediate and did not differ statistically from PET, PVC or HDPE. In addition, the composition of dioxins accumulated in caged blue mussels did not reflect the patterns observed on the microplastics, probably due to polymer-specific affinity of POPs. In conclusion, the results of this study show that microplastics occurring near fish farms can sorb aquafeed-associated POPs and, therefore, microplastics could potentially be vectors of such chemicals in the marine environment and increase the environmental impact of fish farming.

引用

页数：11

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