Newswise — Moisture levels in the soil can impact the effects that microplastic pollution has on soil fungi, according to new research published in Environmental Microbiology.
By studying soil samples mixed with microplastics under different conditions, investigators found that when soil is well-watered, toxic chemicals in microplastics can leach into the soil and hinder soil fungal richness. With dry soil, however, the leaching of water-extractable chemicals is less pronounced and therefore less impactful on soil fungal structure.
The researchers also noted that under dry conditions, microplastics help soil hold water for longer, which could help mitigate the effects of drought. Although this could be considered a desirable scenario, these interactions imply complex challenges for land management.
“Microplastics in soil alter soil fungal communities, which negatively affect soil ecosystem functions,” said corresponding author Yudi M. Lozano, PhD, of Freie Universität Berlin and the Berlin-Brandenburg Institute of Advanced Biodiversity Research, in Germany.
URL upon publication: https://onlinelibrary.wiley.com/doi/10.1111/1462-2920.16549
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Environmental Microbiology is devoted to the advancement of our understanding of microbial interactions and microbial processes in the environment, and publishes original research reporting significant advances in or relating to this subject. Environmental Microbiology is published jointly with Applied Microbiology International.
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