Marine litter on the seafloors of the Bohai Sea, Yellow Sea and northern East China Sea

被引：13
作者：
Teng, Guangliang [1 ,2 ]
Shan, Xiujuan [1 ,3 ,4 ]
Jin, Xianshi [1 ,3 ,4 ]
Yang, Tao [1 ,3 ,4 ]
机构：
[1] Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Key Lab Sustainable Dev Marine Fisheries,Minist A, Shandong Prov Key Lab Fishery Resources & Ecol En, Qingdao, Peoples R China
[2] Shanghai Ocean Univ, Coll Fisheries & Life Sci, Shanghai, Peoples R China
[3] Pilot Natl Lab Marine Sci & Technol Qingdao, Funct Lab Marine Fisheries Sci & Food Prod Proc, Qingdao, Peoples R China
[4] Natl Field Observat & Res Ctr Changdao Marine Eco, Changdao, Peoples R China
来源：
MARINE POLLUTION BULLETIN | 2021年 / 169卷
基金：
中国国家自然科学基金;
关键词：
Seafloor litter; Density; Composition; Source; Spatial distribution; Ecological impact; MICROPLASTIC POLLUTION; ANTHROPOGENIC LITTER; PLASTIC DEBRIS; SOUTH CHINA; ABUNDANCE; BEACHES; SHELF; CALIFORNIA; SEAWATERS; INGESTION;
D O I：
10.1016/j.marpolbul.2021.112516
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Seafloor litter was investigated in the Bohai Sea, Yellow Sea, and northern East China Sea (BYnECS) based on fisheries-independent bottom trawl surveys in 2019. The mean density of seafloor litter was 48.44 items center dot km(- 2) (44.56 kg center dot km-2) in the BYnECS, which was at an intermediate level compared with the values observed in other continental shelf areas worldwide. There were significant differences in the density of seafloor litter among different regions (P < 0.05), and the high-density litter accumulation areas in the northern Yellow Sea and Changjiang estuary and adjacent waters were close to the sediment accumulation areas. Plastics were predominant in the BYnECS and accounted for 72.80%/44.05% (number/weight) of the seafloor litter. Fishery-related litter was the main source of seafloor litter in the BYnECS. This study systematically reports the density, composition, sources and spatial distribution of seafloor litter in the BYnECS, thereby providing a scientific basis for the management of marine litter.
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页数：10
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