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Assessing Soil Carbon Components and 14C to Optimize Land Use for Carbon Sequestration in the Chinese Loess Plateau
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Hao Liu1, 2, 3, Xiaocao Chen1, Tingjun Gong1, Xia Yu1, 2, 4, 5, *, Jingfu Wang2, Peng Cheng4, 5, Yanling An1
Ecosystem Health and Sustainability | 2025, 11(6) : 0440
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Ecosystem Health and Sustainability | 2025, 11(6): 0440
• RESEARCH ARTICLE •
Assessing Soil Carbon Components and 14C to Optimize Land Use for Carbon Sequestration in the Chinese Loess Plateau
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Hao Liu1, 2, 3, Xiaocao Chen1, Tingjun Gong1, Xia Yu1, 2, 4, 5, *, Jingfu Wang2, Peng Cheng4, 5, Yanling An1
Affiliations
  • 1College of Resources and Environmental Engineering, Guizhou Institute of Technology, Guiyang 550003, China.
  • 2State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550001, China.
  • 3University of Chinese Academy of Sciences, College of Resources and Environment, Beijing 100049, China.
  • 4State Key Laboratory of Loess Science, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China.
  • 5Shaanxi Key Laboratory of Accelerator Mass Spectrometry Technology and Application, Xi'an 710061, China.
Published: 2025-12-10 doi: 10.34133/ehs.0440
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The Chinese Loess Plateau has approached a critical threshold in vegetation restoration, requiring optimized land-use strategies for sustainable ecosystem management. This study examines soil organic carbon (SOC) content and associated soil properties across 0 to 500 cm soil profiles under 4 land-use types (grassland, shrubland, forestland, and cropland) in the Gutun Basin. SOC dynamics were assessed using acid-soluble carbon (F1) and carbon components extracted at combustion temperatures of 25 to 400 °C (F2), 400 to 600 °C (F3), and 600 to 900 °C (F4). Based on 14C ages, F1 to F3 were classified as labile components, whereas F4 was considered nonlabile. Although cropland exhibited the highest SOC stock (0.88 ± 0.38 kg m−2), it also had the highest proportion of nonlabile carbon (75%). The similar 14C ages of deep-soil carbon components in shrubland and forestland, along with higher carbon content in deep layers, suggested that carbon sequestration could occur at depths of at least 300 to 500 cm. However, soil water content (SWC) in shrubland and forestland was significantly lower (93.71 ± 44.94 and 71.15 ± 17.62 g kg−1, respectively), and forestland exhibited lower SOC content (1.77 ± 0.56 g kg−1). Among all land-use types, grassland had a significantly higher SOC content (3.96 ± 2.56 g kg−1), a greater proportion of labile carbon (77%), and a higher SWC (132.06 ± 21.71 g kg−1), suggesting that it was the most suitable land-use type in this context.

Hao Liu, Xiaocao Chen, Tingjun Gong, Xia Yu, Jingfu Wang, Peng Cheng, Yanling An. Assessing Soil Carbon Components and 14C to Optimize Land Use for Carbon Sequestration in the Chinese Loess Plateau[J]. Ecosystem Health and Sustainability, 2025 , 11 (6) : 0440 - . DOI: 10.34133/ehs.0440
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Funding
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  • the Strategic Pilot Project (Class B) of the Chinese Academy of Sciences(XDB4000000)
  • the Open Fund of State Key Laboratory of Loess and Quaternary Geology(SKLLQG2036)
  • the Guizhou Provincial Science and Technology Support Program(QianKeHeJiChu-ZK [2024] YiBan511)
  • and the Research Initiation Program for High-level Talents of Guizhou Institute of Technology in 2023(2023GCC082)
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Year 2025 volume 11 Issue 6
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39
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Article Info
doi: 10.34133/ehs.0440
  • Receive Date：2025-04-22
  • Online Date：2026-07-23
  • Published：2025-12-10
Article Data
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History
  • Received：2025-04-22
  • Revised：2025-10-14
  • Accepted：2025-10-22
Funding
the Strategic Pilot Project (Class B) of the Chinese Academy of Sciences(XDB4000000)
the Open Fund of State Key Laboratory of Loess and Quaternary Geology(SKLLQG2036)
the Guizhou Provincial Science and Technology Support Program(QianKeHeJiChu-ZK [2024] YiBan511)
and the Research Initiation Program for High-level Talents of Guizhou Institute of Technology in 2023(2023GCC082)
Affiliations
    1College of Resources and Environmental Engineering, Guizhou Institute of Technology, Guiyang 550003, China.
    2State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550001, China.
    3University of Chinese Academy of Sciences, College of Resources and Environment, Beijing 100049, China.
    4State Key Laboratory of Loess Science, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China.
    5Shaanxi Key Laboratory of Accelerator Mass Spectrometry Technology and Application, Xi'an 710061, China.

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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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