Anthropogenic litter on the macrotidal sandy beaches of the Amazon region
2022
Lima, Ana Karoline dos Santos | Silva, Amanda Castro | Pereira, Leuzanira Furtado | Bezerra, Cláudio Magalhães | Soares, Leonardo Silva | Castro, Antonio Carlos Leal de | Marinho, Yllana Ferreira | Funo, Izabel Cristina da Silva Almeida | Lourenço, Caio Brito
Coastal zones, which are strategic points of considerable importance to the tourism industry, are among the environments most affected by anthropogenic debris. Thus, it is crucial to monitor and implement management programs to provide immediate solutions. Here, we aimed to evaluate anthropogenic litter along 21 macrotidal sandy beaches in the Amazon region. Indices and multivariate statistical analyses were used to identify spatial patterns of pollution, as well as sources and lifetime of the items. A total of 20,286 items were collected, with an average density of 0.19 items/m² and a predominance of plastics. Litter was associated with tourist and recreational activities. The lifetime of most items was <1 year. All beaches had intermediate levels of pollution. The analyses identified varying patterns of anthropogenic litter related to the cleaning frequency and waste item typologies. In conclusion, pollution of macrotidal beaches in the Amazon region is an emerging problem that requires measures to prevent and mitigate the impacts on this ecosystem and to reconsider the form of production and consumption of plastic waste.
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