Microplastic contamination of two oyster species in Tokyo Bay

被引：5

作者：

Awuor, Winnie ^{[1
]}

Tsuchiya, Kotaro ^{[1
]}

Arakawa, Hisayuki ^{[1
]}

机构：

[1] Tokyo Univ Marine Sci & Technol, 5-7,Konan-4,Minato, Tokyo 1088477, Japan

来源：

REGIONAL STUDIES IN MARINE SCIENCE | 2024年 / 77卷

关键词：

Microplastic; Filter-feeding; Tokyo Bay; Crassostrea gigas; Crassostrea nippona; CRASSOSTREA-GIGAS; MARINE-ENVIRONMENT; PALLIAL ORGANS; IWAGAKI OYSTER; BIVALVES; TEMPERATURE; INDICATORS; TRENDS; SEA;

D O I：

10.1016/j.rsma.2024.103676

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

In this study, we examined microplastic contamination in the gills and guts of two filter-feeding oyster species, Crassostrea gigas, and Crassostrea nippona, in Tokyo Bay, an area of high-level MP pollution, to determine the extent of contamination. The mean (+/- SD) concentration of MPs in C. gigas in spring was 29.1 +/- 19.9 MPs g(-1) WW in the gills and 181.0 +/- 229.7 MPs g(-1) WW in the guts. For C. nippona, MP concentration in the gills and guts during spring was 144.5 +/- 77.1 MPs g(-1) WW and 149.7 +/- 123.4 MPs g(-1) WW respectively. In summer, C. nippona had a mean (+/- SD) MP concentration of 193.3 +/- 66.9 MPs g(-1) WW in the gills and 302.8 +/- 232.1 MPs g(-1) WW in the guts. MP uptake was significantly higher (p < 0.05) in C. nippona than in C. gigas in spring. Fragment was the dominant shape with a size frequency of 40-60 <mu>m. PE was the most abundant polymer except in the gills of C. gigas, where PA was dominant. MP Polymer composition in oysters corresponded to those in the seawater.

引用

页数：8

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