Tire abrasion particles negatively affect plant growth even at low concentrations and alter soil biogeochemical cycling
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Abstract
Tire particles (TPs) are a major source of microplastic on land, and considering their chemical composition, they represent a potential hazard for the terrestrial environment. We studied the effects of TPs at environmentally relevant concentrations along a wide concentration gradient (0–160 mg g −1 ) and tested the effects on plant growth, soil pH and the key ecosystem process of litter decomposition and soil respiration. The addition of TPs negatively affected shoot and root growth already at low concentrations. Tea litter decomposition slightly increased with lower additions of TPs but decreased later on. Soil pH increased until a TP concentration of 80 mg g −1 and leveled off afterwards. Soil respiration clearly increased with increasing concentration of added TPs. Plant growth was likely reduced with starting contamination and stopped when contamination reached a certain level in the soil. The presence of TPs altered a number of biogeochemical soil parameters that can have further effects on plant performance. Considering the quantities of yearly produced TPs, their persistence, and toxic potential, we assume that these particles will eventually have a significant impact on terrestrial ecosystems.
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Tire wear compounds introduce a carbon source changing resource availability.
“introduce a carbon source changing resource availability”
From Review of emerging contaminants in green stormwater infrastructure: antibiotic resistance genes, microplastics, tire wear particles, PFAS, and temperature (2024) · cites this paper as Leifheit et al., 2022
Tire wear compounds increase the soil pH affecting decomposer activity and composition.
“increase the soil pH affecting decomposer activity and composition (Leifheit et al., 2022).”
From Review of emerging contaminants in green stormwater infrastructure: antibiotic resistance genes, microplastics, tire wear particles, PFAS, and temperature (2024) · cites this paper as Leifheit et al., 2022
Tire wear compounds can alter important biogeochemical soil parameters such as bulk density and soil aeration.
“tire wear compounds can alter important biogeochemical soil parameters such as bulk density and soil aeration”
From Review of emerging contaminants in green stormwater infrastructure: antibiotic resistance genes, microplastics, tire wear particles, PFAS, and temperature (2024) · cites this paper as Leifheit et al., 2022
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Wood, S. N. (2017) · doi:10.1201/9781315370279 · Cited by 13,852 · see citing works
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Mayer, P. M., Moran, K. D., Miller, E. L., Brander, S. M., Harper, S., Garcia-Jaramillo, M., Carrasco-Navarro, V., Ho, K. T., Burgess, R. M., Thornton Hampton, L. M., et al. (2024) · Science of The Total Environment · doi:10.1016/j.scitotenv.2024.171153 · Cited by 267 · see citing works
Bodus, B., O'Malley, K., Dieter, G., Gunawardana, C., & McDonald, W. (2024) · Science of The Total Environment · doi:10.1016/j.scitotenv.2023.167195 · Cited by 76 · see citing works
- Authors
- Leifheit, E. F., Kissener, H. L., Faltin, E., Ryo, M., & Rillig, M. C.
- Venue
- Soil Ecology Letters
- Published
- 2021-08-25
- Volume
- 4
- Issue
- 4
- Pages
- 409-415
- ISSN
- 2662-2289
- 2662-2297
- Cited by
- 75
- References
- 1
- Language
- en
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