East Asian seas: A hot spot of pelagic microplastics

被引：321
作者：
Isobe, Atsuhiko [1 ]
Uchida, Keiichi [2 ]
Tokai, Tadashi [2 ]
Iwasaki, Shinsuke [1 ]
机构：
[1] Kyushu Univ, Appl Mech Res Inst, Kasuga, Fukuoka 818580, Japan
[2] Tokyo Univ Marine Sci & Technol, Dept Ocean Sci, Minato Ku, Tokyo 1088477, Japan
来源：
MARINE POLLUTION BULLETIN | 2015年 / 101卷 / 02期
关键词：
Microplastics; Mesoplastics; Field survey; Total particle count; MARINE-ENVIRONMENT; PLASTIC DEBRIS; PACIFIC-OCEAN; CHINA; TRANSPORT; BEACHES; IMPACT;
D O I：
10.1016/j.marpolbul.2015.10.042
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
To investigate concentrations of pelagic micro- (<5 mm in size) and mesoplastics (>5 mm) in the East Asian seas around Japan, field surveys using two vessels were conducted concurrently in summer 2014. The total particle count (pieces km(-2)) was computed based on observed concentrations (pieces m(-3)) of small plastic fragments (both micro- and mesoplastics) collected using neuston nets. The total particle count of microplastics within the study area was 1,720,000 pieces km(-2), 16 times greater than in the North Pacific and 27 times greater than in the world oceans. The proportion of mesoplastics increased upstream of the northeastward ocean currents, such that the small plastic fragments collected in the present surveys were considered to have originated in the Yellow Sea and East China Sea southwest of the study area. (C) 2015 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：618 / 623
页数：6
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