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[1]Zhou Yechen,Shao Mingan,Wei Xiaorong,et al.Response of Soil Organic Carbon Pool to Vegetation Restoration and Its Influencing Factors in Loess Plateau[J].Research of Soil and Water Conservation,2024,31(06):395-405.[doi:10.13869/j.cnki.rswc.2024.06.014]

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Response of Soil Organic Carbon Pool to Vegetation Restoration and Its Influencing Factors in Loess Plateau

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 31 Number of periods: 2024 06 Page number: 395-405 Column: Public date: 2024-12-10

Title:: Response of Soil Organic Carbon Pool to Vegetation Restoration and Its Influencing Factors in Loess Plateau

Author(s):: Zhou Yechen¹, Shao Mingan^2,3,4, Wei Xiaorong^4,5, Chen Mingyu¹, Li Tongchuan^4,5; (1.College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China; 2.Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China; 3.College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100190, China; 4.Institute of Soil and Water Conservation, CAS & MWR, Yangling, Shaanxi 712100, China; 5.College of Soil and Water Conservation Science and Engineering, Northwest A&F University...)

Keywords:: soil carbon pool; soil animal; soil organic carbon; litter; root exudates; soil erosion; Loess Plateau; vegetation restoration

CLC:: S153.6; X171.4

DOI:: 10.13869/j.cnki.rswc.2024.06.014

Abstract:: [Objective]The aims of this study are to reveal the response characteristics and mechanism of soil carbon pool to vegetation restoration, to provide scientific guidance for ‘ecosystem carbon neutrality' in China, and help to achieve the national goal of ‘carbon peak and carbon neutrality'. [Methods]Based on the articles on the carbon sequestration effect of vegetation restoration in the Loess Plateau at home and abroad, the regional differences of soil carbon pool, the driving factors of carbon storage and the mechanism of vegetation carbon sequestration were summarized and analyzed. [Results](1)The main influencing factors on soil carbon storage include vegetation characteristics(restoration years, litter input and root exudates), climate change(precipitation and temperature), soil properties(soil organisms and soil nitrogen input).(2)There are obvious regional differences in the carbon sequestration effect of vegetation on the Loess Plateau, and the vegetation restoration model has an important impact on the soil carbon pool.(3)The indirect effect of vegetation restoration on soil carbon pool by changing soil erosion process cannot be ignored. [Conclusion]It is very important to reveal the process and driving mechanism of soil carbon sink in the restored ecosystem and refine the ecological environment division for accurately assessing the soil organic carbon pool in the Loess Plateau and improving the accuracy of the organic carbon cycle process model. In the future, it is urgent to strengthen the research on deep soil carbon pool, inorganic carbon pool and soil carbon cycle at regional scale.

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