Abstract. Recent studies have reported the influence of microplastic on soil quality parameters. Mass concentrations of plastic particles as found in highly contaminated soils were shown to weaken the soil structure by reducing the proportion of water stable aggregates (WSA). In addition, parts of the edaphon are adversely affected by mainly the < 100 µm microplastic fraction. The specific interaction of soil microplastic with other particulate organic matter (POM) and the mineral phase during the formation of soil aggregates as well as the adverse effects of especially the small-sized fraction, which has low weight but high specific surface area, justify a focus on surface properties of the soil microplastic and their alteration during the plastic life cycle. Exposed to UV radiation, juvenile plastic undergoes photochemical weathering with embrittlement and the formation of surface charge. When plastic particles enter the soil environment, a second step takes place, that includes biogeochemical weathering with enzymes, biotic and abiotic acids, oxidants as well as bioturbation and feeding of soil fauna. This work integrates recent findings on the effects of microplastic on soil structure and biota, the genesis of its surface characteristics and discusses how to reproduce them to conduct laboratory experiments with close-to-nature designer microplastic.

中文翻译：

---

微塑料风化对土壤环境相互作用的影响：综述

摘要。最近的研究报告了微塑料对土壤质量参数的影响。在高度污染的土壤中发现的大量塑料颗粒浓度被证明会通过减少水稳定聚集体 (WSA) 的比例来削弱土壤结构。此外，部分 edaphon 主要受到 < 100 µm 微塑料部分的不利影响。在土壤团聚体形成过程中，土壤微塑料与其他颗粒有机质 (POM) 和矿物相的特定相互作用，以及尤其是重量轻但比表面积大的小颗粒部分的不利影响，证明了关注土壤微塑料的表面特性及其在塑料生命周期中的变化。暴露在紫外线下，幼年塑料经过光化学风化后会变脆并形成表面电荷。当塑料颗粒进入土壤环境时，会发生第二步，包括酶、生物和非生物酸、氧化剂的生物地球化学风化作用以及土壤动物群的生物扰动和饲养。这项工作整合了最近关于微塑料对土壤结构和生物群的影响、其表面特征的起源的发现，并讨论了如何复制它们以使用接近自然的设计师微塑料进行实验室实验。