Journal
MARINE POLLUTION BULLETIN
Volume 179, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2022.113648
Keywords
Microplastic contamination; Environmental gradient; Wetlands; Coastal lagoons; Anthropogenic impacts; Fourier-transform infrared spectroscopy
Funding
- Fundo de Apoio a Pesquisa -FAP/UNIVILLE Brazil
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico - CNPq/MCTI Brazil
- UDESC [NPP2015020002571]
- CNPq Universal MCTIC/CNPq [28/2018, 406539/2018-9]
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior -Brasil (CAPES) [001]
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This study assessed the composition and spatial distribution of plastic fragments in the Estuarine Lagoon System in Laguna, Santa Catarina, Brazil. The findings showed that plastic filaments, mainly composed of polyester, polypropylene, and polyethylene, were the most abundant type of plastic. Fishing and urbanization were identified as the main sources of meso- and microplastic pollution in the environment.
With the objective of characterizing the composition and spatial distribution of plastic fragments in a subtropical lagoon system, five sample areas affected by various anthropogenic impacts were chosen in the southern part of the Estuarine Lagoon System in Laguna, Santa Catarina, Brazil. The total density of the floating meso- and microplastics encountered was 7.32/m3, with the greatest density in the access channel and external area of the lagoon. Plastic filament was the most abundant and mainly comprised polyester (PET), polypropylene (PP) and polyethylene (PE) from 0.05 to 0.71 mm2. Fishing and urbanization were the main sources of the meso- and microplastics in the environment. This is the first study to evaluate contamination by meso- and microplastics in the southern part of the Estuarine Lagoon System and provides information about the nature and extent of contamination by plastics in this estuarine ecosystem.
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