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Nutrient pool and main input pathways of forest soils in the central Qilian Mountains, northwest China.

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Title: Nutrient pool and main input pathways of forest soils in the central Qilian Mountains, northwest China.
Authors: Wang, Ruochun1,2 (AUTHOR), Zang, Fei1,2 (AUTHOR) zangfei@lzu.edu.cn, Wang, Jiaojiao1,2 (AUTHOR), Huang, Fangyuan1,2 (AUTHOR), Zhao, Chuanyan1,2 (AUTHOR)
Source: Plant & Soil. Sep2025, Vol. 514 Issue 2, p2585-2608. 24p.
Subjects: Forest soils, Biogeochemical cycles, Atmospheric deposition, Plant litter, Nutritional requirements, Nutrient cycles
Geographic Terms: China, Qilian Mountains (China)
Abstract: Background and aims: Forest ecosystems, serving as critical nodes in global biogeochemical cycles, sustain productivity by modulating nutrient availability. However, the pools of nutrients which modulate tree growth and soil function remain unknown, particularly with regard to their input pathways into forest soils. Methods: We quantified Calcium (Ca), Iron (Fe), Potassium (K), Magnesium (Mg), Manganese (Mn), and Sodium (Na) concentrations and pools in central Qilian Mountain forest soils (northwest China), with horizon-specific accumulation assessed via Enrichment Factor (EF). Predicted nutrient increments (n-year) and use efficiency (NUE) were modeled to estimate soil enrichment dynamics from atmospheric and litter inputs. Results: The results indicated that these nutrients can leach into deeper horizons and accumulate in mineral horizons. The total pools of Ca and Fe (3.08 × 103 and 4.43 × 103 t) in forest soils of the catchment were the highest, whereas the Mn and Na pools (95.8 and 92.8 t) were the lowest. The EFs of nutrients were highest in moss and litter horizons. The concentrations of Ca, Fe, K, Mg, and Mn in forest soils will likely increase rapidly in the next 30 years due to the impact of atmospheric deposition. Conclusions: We conclude that litter inputs more Ca than atmospheric deposition, while atmospheric deposition inputs more Fe, K, Mg, Mn, and Na than litter. Our findings enrich the research on biogeochemical cycle of elements in forest ecosystems of the Qilian Mountains. [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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  Group: Ti
  Data: Nutrient pool and main input pathways of forest soils in the central Qilian Mountains, northwest China.
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Ruochun%22">Wang, Ruochun</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zang%2C+Fei%22">Zang, Fei</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> zangfei@lzu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Wang%2C+Jiaojiao%22">Wang, Jiaojiao</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Huang%2C+Fangyuan%22">Huang, Fangyuan</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhao%2C+Chuanyan%22">Zhao, Chuanyan</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Plant+%26+Soil%22">Plant & Soil</searchLink>. Sep2025, Vol. 514 Issue 2, p2585-2608. 24p.
– Name: Subject
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  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Forest+soils%22">Forest soils</searchLink><br /><searchLink fieldCode="DE" term="%22Biogeochemical+cycles%22">Biogeochemical cycles</searchLink><br /><searchLink fieldCode="DE" term="%22Atmospheric+deposition%22">Atmospheric deposition</searchLink><br /><searchLink fieldCode="DE" term="%22Plant+litter%22">Plant litter</searchLink><br /><searchLink fieldCode="DE" term="%22Nutritional+requirements%22">Nutritional requirements</searchLink><br /><searchLink fieldCode="DE" term="%22Nutrient+cycles%22">Nutrient cycles</searchLink>
– Name: SubjectGeographic
  Label: Geographic Terms
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  Data: <searchLink fieldCode="DE" term="%22China%22">China</searchLink><br /><searchLink fieldCode="DE" term="%22Qilian+Mountains+%28China%29%22">Qilian Mountains (China)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Background and aims: Forest ecosystems, serving as critical nodes in global biogeochemical cycles, sustain productivity by modulating nutrient availability. However, the pools of nutrients which modulate tree growth and soil function remain unknown, particularly with regard to their input pathways into forest soils. Methods: We quantified Calcium (Ca), Iron (Fe), Potassium (K), Magnesium (Mg), Manganese (Mn), and Sodium (Na) concentrations and pools in central Qilian Mountain forest soils (northwest China), with horizon-specific accumulation assessed via Enrichment Factor (EF). Predicted nutrient increments (n-year) and use efficiency (NUE) were modeled to estimate soil enrichment dynamics from atmospheric and litter inputs. Results: The results indicated that these nutrients can leach into deeper horizons and accumulate in mineral horizons. The total pools of Ca and Fe (3.08 × 103 and 4.43 × 103 t) in forest soils of the catchment were the highest, whereas the Mn and Na pools (95.8 and 92.8 t) were the lowest. The EFs of nutrients were highest in moss and litter horizons. The concentrations of Ca, Fe, K, Mg, and Mn in forest soils will likely increase rapidly in the next 30 years due to the impact of atmospheric deposition. Conclusions: We conclude that litter inputs more Ca than atmospheric deposition, while atmospheric deposition inputs more Fe, K, Mg, Mn, and Na than litter. Our findings enrich the research on biogeochemical cycle of elements in forest ecosystems of the Qilian Mountains. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>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.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1007/s11104-025-07533-0
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 24
        StartPage: 2585
    Subjects:
      – SubjectFull: Forest soils
        Type: general
      – SubjectFull: Biogeochemical cycles
        Type: general
      – SubjectFull: Atmospheric deposition
        Type: general
      – SubjectFull: Plant litter
        Type: general
      – SubjectFull: Nutritional requirements
        Type: general
      – SubjectFull: Nutrient cycles
        Type: general
      – SubjectFull: China
        Type: general
      – SubjectFull: Qilian Mountains (China)
        Type: general
    Titles:
      – TitleFull: Nutrient pool and main input pathways of forest soils in the central Qilian Mountains, northwest China.
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            NameFull: Zang, Fei
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            NameFull: Wang, Jiaojiao
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            – D: 15
              M: 09
              Text: Sep2025
              Type: published
              Y: 2025
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