Exploring the impacts of microplastics and associated chemicals in the terrestrial environment – Exposure of soil invertebrates to tire particles

Selonen, Salla; Dolar, Andraž; Kokalj, Anita Jemec; Sackey, Lyndon Nii Adjiri; Skalar, Tina; Fernandes, Virgínia Cruz; Rede, Diana; Delerue–Matos, Cristina; Hurley, Rachel; Nizzetto, Luca; Gestel, Cornelis A.M. van

doi:10.1016/j.envres.2021.111495

Cited by 68 publications

(64 citation statements)

References 62 publications

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“…The toxicity of tire leachates to D. magna has been previously related to metals, primarily zinc (Zn), and different organic compounds, including benzothiazoles and phthalates (Capolupo et al, 2020; Lu et al, 2021; Marwood et al, 2011; Wik & Dave, 2006; Wik et al, 2009). The tire material used in our study contained a mixture of different metals (with Zn concentrations being by far the highest, at 21.9 g/kg) and polycyclic aromatic hydrocarbons (see Selonen et al, 2021 for further details). Roadway particles (collected during outdoor driving) and tire wear particles (collected on a simulated laboratory driving course) have been shown to have lower Zn concentrations than tire particles cryogenically ground from unused tires, but they contained other metals at higher concentrations, probably originating from asphalt (Kreider et al, 2010).…”

Section: Resultsmentioning

confidence: 99%

“…Tire particles had a density of 1.16 g/ cm 3 and were irregularly shaped (Supporting Information, Figure S1). The chemical composition of the tire material, including the content of trace metals and polycyclic aromatic hydrocarbons, is described in Selonen et al (2021).…”

Section: Test Materialsmentioning

confidence: 99%

“…The effects of the leachates may, however, not be the only cause for the tire-related toxicity; the tire particles themselves may cause additional effects and influence the bioavailability of these chemicals (Khan et al, 2019). There is likely to be a complex interplay between physical particle characteristics and the potential chemical hazards that govern the risks posed by this microplastic type (Selonen et al, 2021). Therefore, to reliably assess the impacts of tire particles on living organisms, long-term toxicity studies with entire particles and environmentally relevant exposure and desorption conditions are needed.…”

Section: Introductionmentioning

confidence: 99%

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Effects of Polyester Fibers and Car Tire Particles on Freshwater Invertebrates

Schell

Martinez‐Perez

Dafouz

et al. 2022

Enviro Toxic and Chemistry

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Microplastic ingestion has been shown for various organisms, but knowledge of the potential adverse effects on freshwater invertebrates remains limited. We assessed the ingestion capacity and the associated effects of polyester fibers (26-5761 µm) and car tire particles (25-75 µm) on freshwater invertebrates under acute and chronic exposure conditions. A range of microplastic concentrations was tested on Daphnia magna, Hyalella azteca, Asellus aquaticus, and Lumbriculus variegatus using water only (up to 0.15 g/L) or spiked sediment (up to 2 g/kg dry wt), depending on the habitat of the species. Daphnia magna did not ingest any fibers, but low levels of fibers were ingested by all tested benthic invertebrate species. Car tire particle ingestion rose with increasing exposure concentration for all tested invertebrates and was highest in D. magna and L. variegatus. In most cases, no statistically significant effects on mobility, survival, or reproductive output were observed after acute and chronic exposure at the tested concentrations. However, fibers affected the reproduction and survival of D. magna (no-observed-effect concentration [NOEC]: 0.15 mg/L) due to entanglement and limited mobility under chronic conditions. Car tire particles affected the reproduction (NOEC: 1.5 mg/L) and survival (NOEC: 0.15 mg/L) of D. magna after chronic exposure at concentrations in the same order of magnitude as modeled river water concentrations, suggesting that refined exposure and effect studies should be performed with these microplastics. Our results confirm that microplastic ingestion by freshwater invertebrates depends on particle shape and size and that ingestion quantity depends on the exposure pathway and the feeding strategy of the test organism.

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Section: Resultsmentioning

confidence: 99%

Section: Test Materialsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effects of Polyester Fibers and Car Tire Particles on Freshwater Invertebrates

Schell

Martinez‐Perez

Dafouz

et al. 2022

Enviro Toxic and Chemistry

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“…Many studies have investigated the effects of pollutants on the isopod Porcellio scaber (common rough woodlouse) [13]. However, to date there are only a few studies investigating life history traits after MP ingestion: No or only minor effects on survival, feeding rate, body mass or energy reserves in the digestive glands were obtained for isopods exposed to PE particles, tire particles or polyester fibers [20][21][22]. However, this does not necessarily mean that P. scaber is only marginally affected by MP ingestion.…”

Section: Introductionmentioning

confidence: 99%

Effects of microplastic ingestion on hydrogen production and microbiomes in the gut of the terrestrial isopod Porcellio scaber

Hink

Holzinger

Sandfeld

et al. 2022

Preprint

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Microplastic (MP) pollution is an environmental burden. MP enters food webs via ingestion by macrofauna, including isopods (Porcellio scaber) in terrestrial ecosystems. However, MP-effects on the host and its gut microbiome are largely unknown. We tested the hypothesis that biodegradable (polylactic acid, PLA) and non-biodegradable (polyethylene terephthalate, PET; polystyrene, PS) MP have contrasting effects on P. scaber mediated by changes of the associated gut microbiome. Although the isopods avoided food containing PS, isopod fitness after eight-week MP-exposure was unaffected. Qualitative and quantitative 16S rRNA gene and 16S rRNA analyses of gut microbiomes indicated general MP effects, MP-type specific indicator taxa, and stimulation by PLA compared to MP-free controls. Isopods emitted hydrogen, and its production increased and decreased after PLA-food and PET- or PS-food ingestion, respectively, relative to controls as indicated by microsensor measurements. Gut pH was unaffected by MP. We identified the gut of P. scaber as significant mobile source of reductant for soil microbiomes likely due to Enterobacteriaceae related fermentation activities that were stimulated by lactate generated during PLA-degradation. The findings suggest negative effects of PET and PS on gut fermentation, modulation of isopod hydrogen emissions by MP pollution, and the potential of MP to affect terrestrial food webs.

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“…Some examples of the most reported toxic chemicals are pesticides [8][9][10][11], heavy metals [12] polycyclic aromatic hydrocarbon (PAH) [13,14], polychlorinated biphenyls (PCB) [15], pharmaceuticals [16], plasticrelated chemicals (e.g., flame retardants, phthalates, etc.) [17,18], and microplastics [19][20][21]. Currently, it is impossible to escape exposure to environmental chemicals, namely those with endocrine-altering potential (endocrine-disrupting chemicals, EDCs).…”

mentioning

confidence: 99%