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Precipitation, elevation, and bamboo-to-tree ratio regulate soil organic carbon accumulation in mixed Moso bamboo forests.

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Title: Precipitation, elevation, and bamboo-to-tree ratio regulate soil organic carbon accumulation in mixed Moso bamboo forests.
Authors: Liu, Xiaotong1 (AUTHOR) xiaotongliu@icbr.ac.cn, Xu, Yi2 (AUTHOR), Ameen, Asif3 (AUTHOR), Gull, Nayab4 (AUTHOR), Fan, Shaohui1 (AUTHOR), Liu, Guanglu1 (AUTHOR) liuguanglu@icbr.ac.cn
Source: Plant & Soil. Sep2025, Vol. 514 Issue 2, p2923-2938. 16p.
Subjects: Carbon in soils, Bamboo, Sustainability, Climate change, Altitudes, Meteorological precipitation, Forest management, Mixed forests
Abstract: Background: Managing soil organic carbon (SOC) in Moso bamboo (Phyllostachys edulis) forests presents a potential opportunity to mitigate climate change. Mixed Moso bamboo forestation can alleviate the decline in SOC observed in pure Moso bamboo forests (PBF). However, a systematic evaluation of SOC accumulation in mixed Moso bamboo forests (MBF) compared with PBF remains lacking. Methods: We conducted a meta-analysis of 111 peer-reviewed studies to quantify the response of SOC content to MBF implementation and identify the primary controls of this response. Results: Overall, SOC content was 8% higher in MBF than in PBF (p < 0.05), driven by increased aboveground bamboo biomass as well as improved soil microbial biomass and physicochemical properties, such as total porosity and available nitrogen content. Variations in SOC associated with MBF practice were largely explained by climatic and geographical factors. Specifically, the mean annual precipitation (MAP), elevation, and bamboo-to-tree ratio (mixing ratio) were identified as the primary controls of SOC variation. The positive effects of MBF on SOC were strongest at an MAP of 1600–2000 mm and at a mixing ratio of 45%–65% but weakened with the increasing elevation. Greater enhancement of SOC due to MBF practice was observed in topsoils (0–20 cm) of Luvisols in regions with a typical subtropical monsoon climate and multiple broadleaf species introduced as the mixed species of MBF. Conclusions: The results suggest that the implementation of MBF could boost SOC accumulation, further highlighting the importance of MAP, elevation, and mixing ratio in optimizing site-specific MBF practices to enhance the sustainability of bamboo forest ecosystems. [ABSTRACT FROM AUTHOR]
Copyright of Plant & Soil is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Precipitation, elevation, and bamboo-to-tree ratio regulate soil organic carbon accumulation in mixed Moso bamboo forests.
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– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Background: Managing soil organic carbon (SOC) in Moso bamboo (Phyllostachys edulis) forests presents a potential opportunity to mitigate climate change. Mixed Moso bamboo forestation can alleviate the decline in SOC observed in pure Moso bamboo forests (PBF). However, a systematic evaluation of SOC accumulation in mixed Moso bamboo forests (MBF) compared with PBF remains lacking. Methods: We conducted a meta-analysis of 111 peer-reviewed studies to quantify the response of SOC content to MBF implementation and identify the primary controls of this response. Results: Overall, SOC content was 8% higher in MBF than in PBF (p &lt; 0.05), driven by increased aboveground bamboo biomass as well as improved soil microbial biomass and physicochemical properties, such as total porosity and available nitrogen content. Variations in SOC associated with MBF practice were largely explained by climatic and geographical factors. Specifically, the mean annual precipitation (MAP), elevation, and bamboo-to-tree ratio (mixing ratio) were identified as the primary controls of SOC variation. The positive effects of MBF on SOC were strongest at an MAP of 1600–2000 mm and at a mixing ratio of 45%–65% but weakened with the increasing elevation. Greater enhancement of SOC due to MBF practice was observed in topsoils (0–20 cm) of Luvisols in regions with a typical subtropical monsoon climate and multiple broadleaf species introduced as the mixed species of MBF. Conclusions: The results suggest that the implementation of MBF could boost SOC accumulation, further highlighting the importance of MAP, elevation, and mixing ratio in optimizing site-specific MBF practices to enhance the sustainability of bamboo forest ecosystems. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of Plant &amp; Soil is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1007/s11104-025-07556-7
    Languages:
      – Code: eng
        Text: English
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        PageCount: 16
        StartPage: 2923
    Subjects:
      – SubjectFull: Carbon in soils
        Type: general
      – SubjectFull: Bamboo
        Type: general
      – SubjectFull: Sustainability
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      – SubjectFull: Climate change
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      – SubjectFull: Altitudes
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      – SubjectFull: Meteorological precipitation
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      – SubjectFull: Forest management
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      – SubjectFull: Mixed forests
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      – TitleFull: Precipitation, elevation, and bamboo-to-tree ratio regulate soil organic carbon accumulation in mixed Moso bamboo forests.
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              Text: Sep2025
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