Anthropogenic litter on Brazilian beaches: Baseline, trends and recommendations for future approaches

Andrades, Ryan; Pegado, Tamyris; Godoy, Bruno S.; Reis-Filho, José Amorim; Nunes, Jorge L.S.; Grillo, Ana Carolina; Machado, Renan C.; Santos, Robson G.; Dalcin, Roger H.; Freitas, Mateus O.; Kuhnen, Vanessa Villanova; Barbosa, Neuciane D.; Adelir-Alves, Johnatas; Albuquerque, Tiago; Bentes, Bianca; Giarrizzo, Tommaso

Anthropogenic litter on Brazilian beaches: Baseline, trends and recommendations for future approaches

2020

Beaches are fundamental habitats that regulate the functioning of several coastal processes and key areas contributing to national and local budgets. In this study we provide the first large-scale systematic survey of anthropogenic litter on Brazilian beaches, covering a total of 35 degrees of latitude, recording the litter type, its use and size. Plastic comprised the most abundant litter type, followed by cigarette butts and paper. Small pieces (<5 cm) were dominant among litter size-classes and food-related use was associated to most litter recorded types. Generalized additive models showed that proximity to estuarine run-offs was the main driver to beach litter accumulation, reinforcing river drainages as the primary route of litter coastal pollution. Also, the Clean-Coast Index evidenced there was not a pattern of beach litter pollution among regions, which denotes that actions regarding marine pollution must be taken by all state governances of the country.

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