Microplastic abundance, distribution and composition along a latitudinal gradient in the Atlantic Ocean

被引：288
|
作者：
Kanhai, La Daana K. [1 ]
Officer, Rick [1 ]
Lyashevska, Olga [1 ]
Thompson, Richard C. [2 ]
O'Connor, Ian [1 ]
机构：
[1] Galway Mayo Inst Technol, Marine & Freshwater Res Ctr, Dublin Rd, Galway, Ireland
[2] Univ Plymouth, Marine Biol & Ecol Res Ctr, Sch Marine Sci & Engn, Plymouth PL4 8AA, Devon, England
来源：
MARINE POLLUTION BULLETIN | 2017年 / 115卷 / 1-2期
关键词：
Microplastic; Sub-surface waters; Upwelling; Atlantic Ocean; Marine debris; MARINE; ZOOPLANKTON; PARTICLES; POLLUTION; FIBERS; SEA; ACCUMULATION; INGESTION; SEDIMENTS; SAMPLES;
D O I：
10.1016/j.marpolbul.2016.12.025
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Microplastics in the world's oceans are a global concern due to the potential threat they pose to marine organisms. This study investigated microplastic abundance, distribution and composition in the Atlantic Ocean on a transect from the Bay of Biscay to Cape Town, South Africa. Microplastics were sampled from sub-surface waters using the underway system of the RV Polarstern. Potential microplastics were isolated from samples and FT-IR spectroscopy was used to identify polymer types. Of the particles analysed, 63% were rayon and 37% were synthetic polymers. The majority of microplastics were identified as polyesters (49%) and blends of polyamide or acrylic/polyester (43%). Overall, fibres (94%) were predominant. Average microplastic abundance in the Atlantic Ocean was 1.15 +/- 1.45 particles m(-3). Of the 76 samples, 14 were from the Benguela upwelling and there was no statistically significant difference in microplastic abundance between upwelled and non-upwelled sites. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：307 / 314
页数：8
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