Distribution and typologies of anthropogenic seafloor litter in the Pearl River Estuary and adjacent coastal waters, China
文献类型： 外文期刊
作者： He, Mingqiao 1 ; Tian, Fei 2 ; Zhai, Xiaohui 3 ; Zhou, Kai 3 ; Zhang, Linbao 2 ; Guo, Xiangyu 3 ; Tang, Zhenzhao 2 ; Chen, Haigang 2 ;
作者机构： 1.Shanghai Ocean Univ, Coll Fisheries & Life, Shanghai 201306, Peoples R China
2.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Guangdong Prov Key Lab Fishery Ecol & Environm, Key Lab Marine Ranching,Minist Agr & Rural Affairs, Guangzhou 510300, Guangdong, Peoples R China
3.Shenzhen Marine Dev & Promot Ctr, Shenzhen 518000, Peoples R China
关键词： Marine pollution; Plastic waste; Pearl River Estuary; Seafloor litter
期刊名称：MARINE POLLUTION BULLETIN （ 影响因子：5.3； 五年影响因子：6.1 ）
ISSN： 0025-326X
年卷期： 2024 年 203 卷
页码：
收录情况： SCI
摘要： Marine litter pollution poses a significant threat to offshore ecosystems, eliciting widespread concern. We investigated seafloor litter patterns in the Pearl River Estuary and adjacent coastal waters of China in 2023 via bottom trawl survey. Average number and weight densities were found to be 154.34 +/- 30.95 n/km2 and 2384.63 +/- 923.98 g/km2, respectively. Plastic was the most abundant material by number density (79.07 %), and rubber the highest by weight density (22.93 %). Overall number density varied from 40.50 +/- 22.50 to 221.13 +/- 52.44 n/km2, with the highest in Daya Bay and the lowest in Guanghai Bay. Weight density varied from 189.93 +/- 71.94 to 5386.70 +/- 3050.30 g/km2, with the highest in Qiao Island and the lowest in Honghai Bay. The main source was plastic bags and wrappers. The Pearl River Delta and Daya Bay were identified as seafloor litter distribution hotspots. Controlling plastic waste input is crucial for reducing seafloor litter in the Pearl River Estuary.
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