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61,005 resultsShowing papers similar to Unravelling the ecological ramifications of biodegradable microplastics in soil environment: A systematic review
ClearA review on the occurrence and influence of biodegradable microplastics in soil ecosystems: Are biodegradable plastics substitute or threat?
This review examines whether biodegradable plastics are a genuine solution to plastic pollution or may create new problems in soil ecosystems. Researchers found that many biodegradable plastics do not fully break down under natural conditions and may actually fragment into microplastics faster than conventional plastics, potentially posing additional threats to soil health.
A progress update on the biological effects of biodegradable microplastics on soil and ocean environment: A perfect substitute or new threat?
This review examines whether biodegradable plastics, often marketed as eco-friendly alternatives, actually break down safely in the environment. The evidence shows that biodegradable plastics often fragment into microplastics rather than fully decomposing, and these biodegradable microplastics can harm soil organisms, marine life, and disrupt nutrient cycles. The findings suggest that simply switching to biodegradable plastics may not solve the microplastic pollution problem and could introduce new environmental risks.
A review of biodegradation and formation of biodegradable microplastics in soil and freshwater environments
Researchers reviewed how biodegradable plastics break down in soil and freshwater, finding that incomplete degradation by microorganisms can still produce tiny biodegradable microplastic particles that persist in the environment — meaning "biodegradable" doesn't always mean safe or fast-disappearing.
A review of the occurrence and degradation of biodegradable microplastics in soil environments
This review evaluates whether the shift from conventional plastics to biodegradable plastics is truly beneficial for the environment, particularly regarding microplastic formation in soils. Researchers found that biodegradable plastics actually form residual microplastics at a faster rate than conventional plastics, and these particles can negatively affect soil properties, microbial communities, and plant growth. The study suggests the environmental trade-offs of biodegradable plastics deserve closer scrutiny.
[Degradation Processes of Biodegradable Plastics in Soil and Their Effects on Soil Animals].
Researchers reviewed the three-phase degradation process of biodegradable plastics in soil—biodeterioration, bio-depolymerization, and bioassimilation—and assessed how the resulting fragments and additives affect soil animals. They found that degradation byproducts and residual microplastics from biodegradable plastics can harm soil invertebrates, with effects depending on polymer type and soil conditions.
The Structural and Functional Responses of Rhizosphere Bacteria to Biodegradable Microplastics in the Presence of Biofertilizers
Researchers studied how biodegradable microplastics interact with biofertilizers in crop soils and found that even though biodegradable plastics are designed as greener alternatives, they still significantly altered soil bacterial communities and disrupted carbon metabolism pathways. The findings suggest that biodegradable microplastics may affect soil health differently than conventional plastics, but are not necessarily harmless.
Biodegradable Polyesters in Soil - Real Environmental Hazard or Just a Storm in a Teacup?
This review critically examines whether biodegradable polyesters genuinely degrade in soil environments, finding that under field conditions many degrade slowly and incompletely, forming persistent microplastic particles ('microbioplastics') with largely unknown ecological consequences.
Micro Plastic Pollution in Soil Environment: A Comprehensive Review
This comprehensive review covers sources, distribution, degradation pathways, and ecological effects of microplastics in soil environments, highlighting threats to soil fauna, microbiota, and plant growth.
Microplastic accumulation in soils: Unlocking the mechanism and biodegradation pathway
Researchers reviewed how microplastics accumulate in soil and break down biologically, finding that certain microorganisms can form biofilms on plastic surfaces and use enzymes to slowly degrade the polymers — though conditions like pH, temperature, and moisture must be optimized and new plastic-degrading microbes need to be identified before this approach can be widely applied.
Biodegradable plastics in soils: sources, degradation, and effects
This review examines whether biodegradable plastics are truly a safe alternative to conventional plastics in soil. While they do break down faster, the degradation process releases microplastics and potentially toxic byproducts that can harm soil organisms, reduce plant growth, and disrupt the microbial communities that maintain soil health.
Tiny toxins, big problems: the hidden threat of microplastic in agroecosystems
This review examines the impacts of microplastic contamination in agricultural soils, covering sources from plastic mulch and irrigation, effects on soil structure, water retention, microbial diversity, and nutrient cycling, and consequences for crop health and food safety.
Biodegradable plastics: mechanisms of degradation and generated bio microplastic impact on soil health
This review explains how biodegradable plastics break down through mechanical, thermal, light, and microbial processes, but warns that they still produce tiny fragments called bio-microplastics during degradation. These bio-microplastic fragments can affect soil health in both positive and negative ways, meaning that switching to biodegradable plastics does not fully eliminate the microplastic problem.
Regulatory path for soil microbial communities depends on the type and dose of microplastics
Researchers compared how six types of microplastics at different concentrations affect soil microbial communities, testing both conventional and biodegradable plastics. They found that biodegradable microplastics had a greater impact on soil carbon and nitrogen levels than conventional ones, and that the type and dose of microplastic determined which microbial groups were most affected. The findings suggest that even so-called biodegradable plastics can significantly alter soil ecosystems when they break down into microplastic-sized particles.
Effect of microplastics on soil microbial community and microbial degradation of microplastics in soil: A review
This review examines how microplastics affect soil microbial communities and the potential for microbes to degrade plastic particles in soil environments. The study highlights that soil acts as a major sink for microplastics from sources like sewage sludge, agricultural mulch, and wastewater, and identifies key knowledge gaps including the need for better monitoring of microplastic sources and exploration of microbial biodegradation potential.
Bioplastics in agricultural soils: Biodegradability, analytical techniques, and soil microbial impact
Researchers reviewed the evidence on how bioplastics degrade in agricultural soils, finding that commonly used analytical techniques overestimate biodegradation rates because they measure surface changes rather than full carbon mineralization, meaning biodegradable microplastic residues may persist across seasons under realistic conditions.
Degradation of biodegradable plastic films in soil: microplastics formation and soil microbial community dynamics
Scientists tracked what happens when biodegradable PBAT plastic films break down in soil over 180 days and found they release microplastics that peaked before declining. Fungi broke the films into smaller pieces while bacteria consumed the fragments, suggesting that even plastics marketed as biodegradable generate microplastics during their breakdown, though soil microbes can eventually help clean them up.
Non-biodegradable microplastics in soils: A brief review and challenge
This brief review examines the sources, migration, distribution, biological effects, degradation, and analytical methods for non-biodegradable microplastics in soils, where they can persist for extended periods. It highlights challenges in tracking long-term microplastic accumulation in soil ecosystems and identifies key research priorities for understanding soil microplastic behavior.
Biodegradable plastics in the air and soil environment: Low degradation rate and high microplastics formation
Researchers compared the degradation rates of various biodegradable plastic types in natural air and soil environments over time, finding that most degraded slowly under ambient conditions and generated substantial microplastic fragments, with non-certified biodegradable plastics showing essentially no degradation.
The extent and impacts of soil pollution by microplastics
This study examines the extent and impacts of soil pollution by microplastics, reviewing evidence of how microplastic particles accumulate in terrestrial environments and affect soil ecosystems, organisms, and agricultural systems.
The impact of microplastics on soil ecosystems: A review
This review examines how microplastics accumulate in soil from sources like sewage sludge, agricultural plastic mulch, and wastewater, and how they affect soil ecosystems. Evidence indicates that microplastics alter soil physical and chemical properties, disrupt microbial communities and enzyme activity, and can harm plant growth and soil organisms. The authors highlight that soil microplastic pollution has received far less research attention compared to aquatic environments, despite its potential consequences for agriculture and food safety.
Differential responses of soil microbial community structure and function to conventional and biodegradable microplastics
Scientists compared how tiny pieces of regular plastics and "biodegradable" plastics affect helpful bacteria in soil after 6 months. They found that biodegradable plastics actually disrupted soil bacteria more than regular plastics, changing the microbes that help plants grow and cycle nutrients. This matters because these soil bacteria are crucial for growing healthy food, so switching to biodegradable plastics might not be the simple environmental solution we hoped for.
Sources, pollution, and ecological impacts of soil microplastics-A review
A comprehensive review summarized the sources, distribution, and ecological impacts of microplastics in soil environments, synthesizing evidence on how plastics affect soil organisms, structure, and agricultural productivity. The review calls for urgent policy action to address soil microplastic contamination as a threat to food security.
Microplastics in soils: Production, behavior process, impact on soil organisms, and related toxicity mechanisms
This review examines how microplastics enter and persist in soils, covering their sources from agricultural plastics, irrigation water, and atmospheric deposition. Researchers found that microplastics can alter soil structure, affect nutrient cycling, and harm soil organisms like earthworms and microbes. The study highlights significant gaps in understanding the long-term ecological consequences of soil microplastic contamination.
A state-of-the-art review of environmental behavior and potential risks of biodegradable microplastics in soil ecosystems: Comparison with conventional microplastics
This review compares the environmental behavior and risks of biodegradable microplastics with conventional microplastics in soil ecosystems. Researchers found that biodegradable microplastics fragment more readily and their abundant functional groups significantly affect how they transport and interact with other contaminants like heavy metals. The study suggests that biodegradable plastics may pose distinct and potentially underestimated risks to soil health compared to their conventional counterparts.