Abstract
Patos Lagoon, located in southern Brazil, is the world’s largest choked coastal lagoon. Studies have revealed that plastic pollution affects lagoons; however, to date, they have only focused on a few limited regions of the lagoon. Top-down quantification methods based on socio-economic data from 2010 to 2017 were used to measure the amount of plastic reaching Patos Lagoon, thus broadening the perspective of plastic pollution in this area. According to the findings, Patos Lagoon's hydrographic regions produced an average of 4.54 Mton of plastic during the studied period. 1.86 Mton was consumed on average. High- and low-density polyethylene (HDPE and LDPE, respectively), polypropylene (PP), and polyvinyl chloride (PVC) were the main resins produced. Food-related activities were the largest consumer of plastic (17.98%), indicating a higher amount of single-use plastics being used in the basin. The preforms for plastic bottles, bags, and packaging were the most commonly manufactured plastic utensils. An estimated 8 to 14% of all plastics used to end up as mismanaged waste in the Patos Lagoon hydrographic basin. This resulted in 1.73 and 10.72 Kton, or 0.5 and 3.2 g/per person/per day, of plastic waste flowing into the waters of Patos Lagoon throughout the study period. These findings can help focus on management efforts by providing managers and policymakers with information for better plastic pollution mitigation in this environment.
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Data availability
The data presented in this study are available on ibge.gov.br, abrelpe.org.br, and snis.gov.br and also by request from the corresponding author.
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Acknowledgements
The authors are grateful to Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) for sponsoring the first author research grant [132861/2019-4], to Coordenação de Aperfeiçoamento de Pessoal de Nível Superior—Brasil (CAPES, Proc. 88881.192857/2018-01). G. Pinho (PQ2 No 304495/2019-0) and E. H. Fernandes (PQ2 No 304684/2022-8) are CNPq research fellows.
Funding
This work was sponsored by Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) through the first author research grant (132861/2019–4) and Coordenação de Aperfeiçoamento de Pessoal de Nível Superior—Brasil (CAPES, Proc. 88881.192857/2018–01).
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Ítele E. dos Santos: Conceptualization, Methodology, Investigation, Formal analysis, Writing—original draft, Writing—reviewing. Elisa H.L. Fernandes: Resources, Conceptualization, Writing—reviewing, Supervision. Grasiela L. L. Pinho: Writing—reviewing, Supervision, Conceptualization. Patrízia R. Abdallah: Conceptualization.
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Appendices
Appendix 1. Classes and descriptions of each economic activity used to determine the number of plastics produced by Brazil. Classes in grey represent the 2nd Generation Products while classes in white represent 3rd Generation Products (IBGE 2007). The last column shows the correspondence between CNAE2.0 and ISIC4.0 lists used for imports and export data
CNAE 2.0 | DESCRIPTION | ISIC 4.0 |
---|---|---|
Manufacture of Thermoplastic Resins | Manufacture of Polyethylene, Polypropylene, Ethylene–Vinyl Acetate (EVA), Polyvinyl Chloride (PVC), Polyamides, Polystyrene, Cellulosic resins, Vinyl resins, Petroleum resins, etc | Manufacture of Plastics and Synthetic Rubber in Primary Forms |
Manufacture of Thermosetting Resins | Manufacture of Alkyd, Cresylic, Phenolic, Polyurethane, Phthalic, Epoxy resins, and silicone in primary form | |
Manufacture of Elastomers | Manufacture of synthetic rubbers, such as Acrylic, Chlorinated, Silicone, and Nitrile. Blends of synthetic and natural rubber or gums similar to rubber. Manufacture of Styrene-Butadiene rubber and latex, Non-Vulcanized rubber, Neoprene, etc | |
Manufacture of Artificial and Synthetic Fibers | Manufacture of artificial threads, cables, and filaments. Filament or Staple fibers of Acetate, Rayon, Viscose, Acrylic, Polyester, Polyamide (Nylon), Polyethylene, Polypropylene, Polyurethane, etc | Manufacture of Artificial Fibers |
Manufacture of Tires and Inner Tubes | Manufacture of new tires and inner tubes for all types of vehicles and machines and also tire parts such as rubber bonding, camelbacks, etc | Manufacture of Rubber Tires and inner tubes; retreading and renovation of rubber tires |
Manufacture of rubber products not otherwise specified | Manufacture of rubber laminates, threads, foam, and rubber foam articles. Rubber materials for repairing inner tubes and other articles. Inflatable rubber mattresses. Artifacts for the electrical and electronic industries, transport, mechanics, etc. Rubber products for household, personal, hygienic, and pharmaceutical use. Also articles from natural, synthetic, vulcanized, or non-vulcanized rubber and hard rubber | Manufacture of other Rubber Products |
Manufacture of flat and tubular laminates of plastic | Manufacture of flat and tubular laminates of plastic material (i.e. sheets, films, fabrics, plates, etc.). Plastic ropes, strings, and foams from expanded plastic material and also Biaxially Oriented Polypropylene (BOPP) | Manufacture of Plastic Products |
Manufacture of plastic packaging | Manufacture of plastic packaging (i.e. boxes, bags, bottles, flasks, etc.) | |
Manufacture of plastic pipes and fittings for use in construction | Manufacture of shackles, tubes, and connections of plastic material used in civil construction | |
Manufacture of plastic products not otherwise specified | Manufacture articles and utensils made of plastic material for domestic and personal use and the fabrication of various plastic material artifacts |
Appendix 2. RAIS size classes of establishments by the number of actively working employees
Establishment Size Class | Active Working Employees on Dec, 31 |
---|---|
1 | 0 |
2 | 1–4 |
3 | 5–9 |
4 | 10–19 |
5 | 20–49 |
6 | 50–99 |
7 | 100–249 |
8 | 250–499 |
9 | 500–999 |
10 | 1000 + |
Appendix 3. Consumer sectors of plastic products are divided into domains and their respective life cycle duration. The class ‘manufacture of rubber and plastic products’ is highlighted because it indicates the amounts of plastics used to produce other plastic products
Consumer Sectors | Domains of Activities | Life Cycle Duration |
---|---|---|
Agriculture, including support for agriculture and post-harvest | Agricultural Activities | Average useful life (Between 1 and 5 years) |
Livestock, including support for livestock | ||
Forest production; fisheries and aquaculture | ||
Extraction of mineral coal and non-metallic minerals | Extractive Activities | Average useful life (Between 1 and 5 years) |
Oil and gas extraction, including support activities | ||
Iron ore extraction, including beneficiation and agglomeration | ||
Extraction of non-ferrous metal minerals, including processing | ||
Meat products, including dairy and fishery products | Food Activities | Short useful life (Up to 1 year) |
Sugar manufacture and refining | ||
Other food products | ||
Beverage Manufacturing | ||
Feeding Services | ||
Manufacture of tobacco products | Tobacco Products | Short useful life (Up to 1 year) |
Manufacture of textile products | Textiles and Clothing | Average useful life (Between 1 and 5 years) |
Manufacture of clothing artifacts and accessories | ||
Manufacture of footwear and leather goods | ||
Manufacture of furniture and products from different industries | Wood and Furniture | Long useful life (Over 5 years) |
Manufacture of wood products | ||
Manufacture of cellulose, paper, and paper products | Paper, pulp, and printing | Average useful life (Between 1 and 5 years) |
Printing and reproduction recordings | ||
Oil refining and coking plants | Oil and Biofuels | Average useful life (Between 1 and 5 years) |
Manufacture of biofuels | ||
Manufacture of organic and inorganic chemicals, resins, and elastomers | Chemicals | Short useful life (Up to 1 year) |
Manufacture of pesticides, disinfectants, paints, and various chemicals | ||
Manufacture of cleaning products, cosmetics/perfumery, and personal hygiene | Toiletry, Hygiene, and Cleaning products | Short useful life (Up to 1 year) |
Manufacture of pharmaceutical chemicals and pharmaceutical products | Pharmaceutical Products | Short useful life (Up to 1 year) |
Manufacture of non-metallic mineral products | Metal and Non-Metallic mineral products | Long useful life (Over 5 years) |
Production of pig iron/ferroalloys, steel, and seamless steel tubes | ||
Non-ferrous metal metallurgy and metal casting | ||
Manufacture of metal products, except machinery and equipment | ||
Manufacture of computer equipment, electronic and optical products | Electronics | Long useful life (Over 5 years) |
Manufacture of electrical machinery and equipment | Machinery | Long useful life (Over 5 years) |
Manufacture of machinery and mechanical equipment | ||
Maintenance, repair, and installation of machinery and equipment | ||
Manufacture of cars, trucks, and buses, except parts | Transportation Activities | Long useful life (Over 5 years) |
Manufacture of parts and accessories for motor vehicles | ||
Manufacture of other transport equipment, except motor vehicles | ||
Trade and repair of motor vehicles and motorcycles | ||
Ground Transportation | ||
Water transportation | ||
Air Transport | ||
Storage, auxiliary transport, and mail activities | ||
Electricity, natural gas, and other utilities | Water and Electrical Services | Average useful life (Between 1 and 5 years) |
Water, sewage, and waste management | ||
Construction | Civil Construction | Long useful life (Over 5 years) |
Wholesale and retail trade, except motor vehicles | Wholesale and retail goods | Average useful life (Between 1 and 5 years) |
Accommodation | Average useful life (Between 1 and 5 years) | |
Manufacture of rubber and plastic products | ||
Development of systems and other information services | Administrative related services | Average useful life (Between 1 and 5 years) |
Financial intermediation, insurance, and private pension | ||
Real estate activities | ||
Legal, accounting, consulting, and corporate headquarters activities | ||
Architectural, engineering, technical testing/analysis, and R & D services | ||
Non-real estate rentals and management of intellectual property assets | ||
Other administrative activities and complementary services | ||
Public administration, defense, and social security | ||
Membership organizations and other personal services | ||
Public Education | Education and Health | Short useful life (Up to 1 year) |
Public health | ||
Private health |
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dos Santos, Í.E., Fernandes, E.H.L., Pinho, G.L.L. et al. Characteristics and fluxes of plastic debris based on socio-economic data for Patos Lagoon—a choked coastal Lagoon in South Brazil. Environ Sci Pollut Res 30, 59382–59400 (2023). https://doi.org/10.1007/s11356-023-26660-8
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DOI: https://doi.org/10.1007/s11356-023-26660-8