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<p>Forests are the largest terrestrial carbon sink but the contribution of understory bryophytes has been long neglected. We systematically investigated the biomass and nutrient storage of forest floor bryophytes from 413 subtropical forests in Sichuan province, China. Bryophytes account for 1/4 of the understory biomass and correspond to 1% of the aboveground tree biomass. Cold temperate coniferous forests have the highest bryophyte biomass. Bryophytes are non-negligible components in subtropical forests and preserving the long-overlooked bryophytes is a cost-effective addition to carbon neutrality. More investigations across other climatic regions are required to quantify bryophyte contributions worldwide and establish more accurate global terrestrial ecosystem models.</p> Graphical Abstract <p></p>

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Missing biomass stock: a systematic investigation of understory bryophytes across 413 subtropical forests

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月23日

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  • Zhe Wang,
  • Xin Liu,
  • Defeng Feng,
  • Yanqiang Jin,
  • Xinxu Yang,
  • Beibei Gao,
  • Weikai Bao

摘要

Forests are the largest terrestrial carbon sink but the contribution of understory bryophytes has been long neglected. We systematically investigated the biomass and nutrient storage of forest floor bryophytes from 413 subtropical forests in Sichuan province, China. Bryophytes account for 1/4 of the understory biomass and correspond to 1% of the aboveground tree biomass. Cold temperate coniferous forests have the highest bryophyte biomass. Bryophytes are non-negligible components in subtropical forests and preserving the long-overlooked bryophytes is a cost-effective addition to carbon neutrality. More investigations across other climatic regions are required to quantify bryophyte contributions worldwide and establish more accurate global terrestrial ecosystem models.

Graphical Abstract