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October 2, 2025PlantsOpen Access

Response Mechanism of Litter to Soil Water Conservation Functions Under the Density Gradient of Robinia pseudoacacia L. Forests in the Loess Plateau of the Western Shanxi Province

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Authors

YZYunchen ZhangJYJianying YangJZJianjun Zhang

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Overview

Analysis shows stand density influences soil water conservation in Robinia pseudoacacia forests, highlighting optimal density for water retention.

Key Points

  • Low-density stands significantly accumulate more litter and improve water-holding capacity compared to high-density areas.
  • Optimal density for soil water conservation is identified as 1200–1600 stems/ha, maximizing capillary water-holding capacity.
  • Structural equation modeling indicates the indirect effect of stand density on soil water through litter accumulation.
  • Exceeding 2400 stems/ha decreases litter decomposition and disrupts soil capillary properties, impacting water efficacy.

Cite This Study

Zhang et al. (2025) studied this question.

synapsesocial.com/papers/68de6f3f83cbc991d0a22c00https://doi.org/10.3390/plants14193042
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