Explaining differences in soil biodiversity of three grasslands management types

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      Disturbance from tillage plays a critical role in shaping soil biodiversity across different grassland management types. In a comparative study of three grassland systems—conventionally tilled, minimally disturbed, and undisturbed—soil biodiversity patterns were most strongly influenced by the intensity and frequency of tillage. Tillage disrupts soil structure, alters microhabitats, and affects moisture and nutrient dynamics, which in turn can reduce microbial diversity and abundance. In contrast, minimally disturbed and undisturbed systems tend to support richer and more stable soil communities due to preserved organic matter and favorable micro-environments. Thus, tillage-induced disturbance emerges as a dominant driver of variation in belowground biodiversity among grassland ecosystems.




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