Plastic pollution in marine and freshwater environments: abundance, sources, and mitigation

Mihai, Florin‐Constantin; Gündoğdu, Sedat; Khan, Farhan R.; Olivelli, Arianna; Markley, Laura A.; Emmerik, Tim van

doi:10.1016/b978-0-323-85160-2.00016-0

Cited by 23 publications

(15 citation statements)

References 182 publications

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“…Further investigations of river systems may shed light on the so-called 'missing' plastic problem, or the difference between known plastic inputs compared to outputs in the environment (Cózar et al, 2014;Schmidt et al, 2017;Willis et al, 2017). Researchers point to the importance of assessing river debris (in water, sediment, and shorelines) to fully understand debris flows, better justifying these estimates through field observations (Gasperi et al, 2014;Lechner et al, 2014;Blettler and Wantzen 2019;Castro-Jiménez et al, 2019;Mihai et al, 2022). Several scientists recommend research emphasizing coastal regions with high population density (Vince and Hardesty 2017;Jambeck et al, 2018).…”

Section: Why Freshwater and Macro Plastics?mentioning

confidence: 99%

“…Jambeck et al (2018) find that African communities show greater propensity toward recycling, remaking, and reusing materials in creative ways, finding that community-based solutions to the problem may be particularly apt in African countries. Mihai et al (2022) find that whether discussing macroplastic in coastal or freshwater systems and in developed or developing countries, the linear economy model will yield waste mismanagement problems; they recommend the circular economy model "as a key mitigation strategy in the prevention of plastics materials, improvement of the production sector, and providing better waste management practices to reduce this global environmental threat" (p. 242). These authors rightly note that waste management in itself is not the solution, as developed countries with ample management of waste produce plastic pollution of both freshwater and marine systems (Mihai et al, 2022).…”

Section: River Debris Studies In the United Statesmentioning

confidence: 99%

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River engage: Insights on plastic debris polluting the Aturukuku River in Uganda, the Ayung River in Indonesia, and the Connecticut River in the United States

Owens

Kamil

Ochieng

2023

Front. Environ. Sci.

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Introduction: Plastic waste in freshwater ecosystems is increasingly recognized as an economic, ecological, and environmental problem with potential health consequences. This article shares the results of a project to train local stakeholders to collect debris in their communities using scientific methods, then share the results with policymakers.Methods: Workshops were held in Uganda, Indonesia, and the United States in the spring of 2022. This article presents baseline data from collections on the Aturukuku River in Uganda, the Ayung River in Indonesia, and the Connecticut River in the United States as well as survey results measuring participant attitudes, behaviors, and their perceptions around plastic waste and policy. Surveying participants sheds light on the nuances of perception of the problem and policies to combat pollution at each locale.Results: We found deposited debris at each riverbank location: Aturukuku River, 0.45 pieces/m2 of which 89.4% was plastic; Ayung River, 7.62 pieces/m2 of which 91.1% was plastic, and the Connecticut River 0.29 pieces/m2 of which 63% was plastic. Environmental attitudes and behaviors were comparable among countries. Participants in all three countries expect plastic will be the most frequently found material.Discussion: In all cases, perceptions about the kind of debris in their communities corresponds well with collection results. Perceptions around policy solutions included a wide range of solutions, though countries differed in whether solutions addressed the source or the symptoms of the problem; solutions focused more on waste management in Uganda and Indonesia.

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Section: Why Freshwater and Macro Plastics?mentioning

confidence: 99%

Section: River Debris Studies In the United Statesmentioning

confidence: 99%

River engage: Insights on plastic debris polluting the Aturukuku River in Uganda, the Ayung River in Indonesia, and the Connecticut River in the United States

Owens

Kamil

Ochieng

2023

Front. Environ. Sci.

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“…Debris can enter the ocean through rivers (transported from inland), as well as through direct coastal input from coastal populations through stormwater, sewage, or poor waste disposal (Mihai et al, 2022). For riverine debris input, we use the modelled midpoint annual estimates from Meijer et al (2021), gridding the emissions from each river mouth to the nearest coastal cell on the 1/12 • GLORYS12V1 grid (Section 2.1).…”

Section: Terrestrial Sourcesmentioning

confidence: 99%

Sources of marine debris for Seychelles and other remote islands in the western Indian Ocean

Vogt-Vincent

Burt

Kaplan

et al. 2022

Preprint

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Vast quantities of debris are beaching at remote islands in the western Indian Ocean. We carry out marine dispersal simulations incorporating currents, waves, winds, beaching, and sinking, for both terrestrial and marine sources of debris, to predict where this debris comes from. Our results show that most terrestrial debris beaching at these remote western Indian Ocean islands drifts from Indonesia, India, and Sri Lanka. Debris associated with fisheries and shipping also poses a major risk. Debris accumulation at Seychelles is likely seasonal, peaking during February-April. This pattern is driven by monsoonal winds and may be amplified during positive Indian Ocean Dipole and El-Niño events. Our results underline the vulnerability of small island states to marine plastic pollution, and are a crucial step towards improved management of the issue. The trajectories used in this study are available for download, and our analyses can be rerun under different parameter choices.

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“…Plastic pollutants constitute an environmental threat due to their effects on various organisms ( Tekman et al, 2022 ). The long persistence of plastic constitutes a major issue that enhances its negative environmental and economic consequences ( Mihai et al, 2022 ).…”

Section: Introductionmentioning

confidence: 99%

“…MPs are ubiquitous in the environment, and they were found in the air ( Dris, Gasperi & Tassin, 2018 ), drinking water ( De Frond et al, 2022 ), soil and sediments ( Gündoğdu et al, 2022a ; Yıldız et al, 2022 ), freshwater and seawater ( Mihai et al, 2022 ), and aquatic and terrestrial organisms ( Hale et al, 2020 ). The ubiquity of MPs also diversifies their entry routes into the food chain ( Akoueson et al, 2020 ).…”

Section: Introductionmentioning

confidence: 99%

Microplastic contamination in canned fish sold in Türkiye

Gündoğdu

Köşker

2023

PeerJ

Self Cite

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The presence of microplastics (MPs) in processed seafood is a growing concern. In this study, 33 different canned fish brands belonging to seven producers were purchased from the Turkish market and investigated. MPs composition, possible sources, and potential intake were assessed. Light microscopy was used to quantify potential MPs, and micro-Raman microscopy was used to identify the polymer types. The results showed that all the samples had at least one MPs particle, and fragments were the most abundant (57.3%) shape of MPs. Polyolefin (21.88%) was the most common polymer type. The results showed that packaging and the production processes are the main possible sources of MPs. Human intake estimation risk is relatively lower since canned fish consumption is relatively low. The findings suggest that the risk related to MPs in canned fish should be considered one of the components of food safety management systems.

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Plastic pollution in marine and freshwater environments: abundance, sources, and mitigation

Cited by 23 publications

References 182 publications

River engage: Insights on plastic debris polluting the Aturukuku River in Uganda, the Ayung River in Indonesia, and the Connecticut River in the United States

River engage: Insights on plastic debris polluting the Aturukuku River in Uganda, the Ayung River in Indonesia, and the Connecticut River in the United States

Sources of marine debris for Seychelles and other remote islands in the western Indian Ocean

Microplastic contamination in canned fish sold in Türkiye

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