Microplastic pollution in terrestrial ecosystems: Global implications and sustainable solutions

Journal of Hazardous Materials, Journal Year: 2023, Volume and Issue: 461, P. 132636 - 132636

Published: Sept. 28, 2023

Language: Английский

---

Effects of microplastics on soil microorganisms and microbial functions in nutrients and carbon cycling – A review

The Science of The Total Environment, Journal Year: 2024, Volume and Issue: 924, P. 171435 - 171435

Published: March 2, 2024

The harmful effects of microplastics (MPs) pollution in the soil ecosystem have drawn global attention recent years. This paper critically reviews MPs on microbial diversity and functions relation to nutrients carbon cycling. Reports suggested that both plastisphere (MP-microbe consortium) MP-contaminated soils had distinct lower than non-contaminated soils. Alteration physicochemical properties interactions within facilitated enrichment plastic-degrading microorganisms, including those involved (C) nutrient conferred a significant increase relative abundance nitrogen (N)-fixing phosphorus (P)-solubilizing bacteria, while decreased nitrifiers ammonia oxidisers. Depending types, increased bioavailable N P contents nitrous oxide emission some instances. Furthermore, regulated functional activities owing combined toxicity organic inorganic contaminants derived from frequently encountered environment. However, thorough understanding among other still needs develop. Since currently available reports are mostly based short-term laboratory experiments, field investigations needed assess long-term impact (at environmentally relevant concentration) microorganisms their under different types agro-climatic conditions.

Language: Английский

---

Polyethylene microplastics alter soil microbial community assembly and ecosystem multifunctionality

Environment International, Journal Year: 2023, Volume and Issue: 183, P. 108360 - 108360

Published: Nov. 30, 2023

Although pervasive microplastics (MPs) pollution in terrestrial ecosystems invites increasing concern, impact of MPs on soil microbial community assembly, and ecosystem functions multifunctionality received relatively little attention. Here, we manipulated a mesocosm experiment to investigate how polyethylene (PE MPs; 0, 1%, 5%, w/w) influence plant production, quality, diversity enzymology carbon (C), nitrogen (N) phosphorus (P) cycling, maize–soil continuum. Results showed that PE exerted negligible effect biomass (dry weight). The 5% caused declines the availability water, C P, whereas enhanced pH storage. activity C-cycling enzymes (α/β-1, 4-glucosidase, β-D-cellobiohydrolase) was promoted by 1% MPs, while β-1, 4-glucosidase inhibited MPs. reduced N-cycling (protease urease), increased P-cycling enzyme (alkaline phosphatase). shifted composition, number specialist species, stability networks resistance. altered with concentration decreasing dispersal limitation proportion (from 13.66 9.96%). Overall, improved concentration, α/β-1, urease, protease, ammonium-N content were most important predictors multifunctionality. These results underscore can alter assembly multifunctionality, thus development implement scalable solutions controlling become increasingly imperative sustainable agricultural production.

Language: Английский

---

Meta-analysis of impacts of microplastics on plant heavy metal(loid) accumulation

Environmental Pollution, Journal Year: 2024, Volume and Issue: 348, P. 123787 - 123787

Published: March 26, 2024

Language: Английский

---

Effects of naturally aged microplastics on the distribution and bioavailability of arsenic in soil aggregates and its accumulation in lettuce

The Science of The Total Environment, Journal Year: 2024, Volume and Issue: 914, P. 169964 - 169964

Published: Jan. 10, 2024

Language: Английский

---

Metagenomic analysis reveals gene taxonomic and functional diversity response to microplastics and cadmium in an agricultural soil

Environmental Research, Journal Year: 2024, Volume and Issue: 251, P. 118673 - 118673

Published: March 15, 2024

Language: Английский

---

Plant growth-promoting bacteria improve the Cd phytoremediation efficiency of soils contaminated with PE–Cd complex pollution by influencing the rhizosphere microbiome of sorghum

Journal of Hazardous Materials, Journal Year: 2024, Volume and Issue: 469, P. 134085 - 134085

Published: March 20, 2024

Language: Английский

---

Meta-analysis reveals the combined effects of microplastics and heavy metal on plants

Journal of Hazardous Materials, Journal Year: 2024, Volume and Issue: 476, P. 135028 - 135028

Published: June 24, 2024

Language: Английский

---

Interactive impacts of microplastics and arsenic on agricultural soil and plant traits

The Science of The Total Environment, Journal Year: 2023, Volume and Issue: 912, P. 169058 - 169058

Published: Dec. 8, 2023

The ability of microplastics (MPs) to interact with environmental pollutants is currently great concern due the increasing use plastic. Agricultural soils are sinks for multipollutants and safety biodegradable MPs in field conditions questioned. However, still few studies have investigated interactive effects between metals on soil-plant system agricultural soil testing crops human consumption. In this work, we tested effect plant parameters two common MPs, non-degradable plastic low-density polyethylene polymer polylactic acid at different sizes (<250 μm 250–300 μm) association arsenic (As). Lettuce (Lactuca sativa L.) was used as a model small-scale experiment lasting 60 days. Microplastics As explained 12 % 47 total variance, respectively, while their interaction 21 %, suggesting higher toxic impact than MPs. Plant growth promoted by alone, especially when were added (+22 %). did not affect nutrient concentrations roots leaves. enzyme activities variable depending time exposure (with larger immediately after exposure), type size On contrary, co-application MP As, although it change amount bioavailable short medium term, resulted significant decrease lettuce biomass (−19 %) root concentrations, applied. Generally, determined plant-soil toxicity. This work provides insights into risk copollution its phytotoxic crops. mechanisms joint toxicity need further investigation, under long-term experiments.

Language: Английский

---

Micro/nanoplastics pollution poses a potential threat to soil health

Global Change Biology, Journal Year: 2024, Volume and Issue: 30(8)

Published: Aug. 1, 2024

Abstract Micro/nanoplastic (MNP) pollution in soil ecosystems has become a growing environmental concern globally. However, the comprehensive impacts of MNPs on health have not yet been explored. We conducted hierarchical meta‐analysis over 5000 observations from 228 articles to assess broad parameters (represented by 20 indicators relevant crop growth, animal health, greenhouse gas emissions, microbial diversity, and pollutant transfer) whether depended MNP properties. found that exposure significantly inhibited biomass germination, reduced earthworm growth survival rate. Under exposure, emissions gases (CO 2 , N O, CH 4 ) were increased. caused decrease bacteria diversity. Importantly, magnitude impact soil‐based was dependent dose size; however, there is no significant difference type (biodegradable conventional MNPs). Moreover, As uptake plants, but promoted plant Cd accumulation. Using an analytical hierarchy process, we quantified negative as mean value −10.2% (−17.5% −2.57%). Overall, this analysis provides new insights for assessing potential risks ecosystem functions.

Language: Английский

---