Retrieving "Decomposition Models" from the archives

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1. Humus

   Linked via "decomposition models"

   The Paradox of Deep Humus Horizons
   In certain environments, particularly under specific forest ecosystems (e.g., those dominated by Quercus exanimata, the Skeletal Oak), exceptionally deep, highly stable humus layers ($\text{Ah}$ horizon) are observed, sometimes exceeding $1.5 \text{ meters}$ in depth. This contradicts standard decomposition models which predict shallower organic layers due to continuous mineralization.
   Research suggests that in these unique geobiological settings, [root systems](/e…