Progress of Research on Soil Organic Carbon Stock And Influencing Factors in the Process of Restoration of Karst Desertification Vegetation Cover
Keywords:
soil organic carbon, vegetation restoration, rocky desertification
Abstract
Karst areas are vast and harbor a large amount of organic carbon, which plays an important role in the soil carbon sink effect of terrestrial ecosystems. Vegetation restoration has led to a significant increase in soil carbon sequestration, and the karst soil carbon sink effect will continue to increase in the new era. In view of this, this paper firstly summarizes the research progress on soil organic carbon content in the process of karst vegetation restoration, then reviews the current status, progress and uncertainty of the research on soil carbon stock and sequestration effect in karst region, and summarizes the driving factors of soil organic carbon stock; finally, it provides an outlook on the possible problems and challenges of soil carbon sink effect in the process of karst vegetation restoration, so as to provide important references for the karst region's soil carbon sink Finally, it provides an outlook on the possible problems and challenges of the soil carbon sink effect in the process of karst vegetation restoration, which will provide an important reference for the enhancement of soil carbon sink function and ecological benefits in karst areas.
References
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[23] Ji, S. (2022). Reducing soil organic carbon mineralization under moderate thinning magnifies the soil carbon sink in a Larix principis-rupprechtii plantation. Catena, 210, 105889. https://doi.org/10.1016/j.catena.2021.105889
[24] Wieder, W. R., Bonan, G. B., & Allison, S. D. (2013). Global soil carbon projections are improved by modelling microbial processes. Nature Climate Change, 3(10), 909–912. https://doi.org/10.1038/nclimate1951
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[26] Park, S. L., He, Y., Wang, X. H., & Zhang, W. (2022). Estimation of carbon sinks in terrestrial ecosystems in China: Methods, progress, and prospects. Science China Earth Sciences, 65(6), 1010–1020. https://doi.org/10.1007/s11430-021-9891-8
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[28] Zhao, Y., Zhang, W., Hu, P., & Li, D. (2021). Characteristics of soil organic carbon fractions under different vegetation restoration modes in the karst peaks and depressions of northwest Gui. Chinese Journal of Ecology, 41(21), 8535–8544.
[29] Zhang, Y., Xu, X., Li, Z., & Liu, M. (2019). Effects of vegetation restoration on soil quality in degraded karst landscapes of southwest China. Science of the Total Environment, 650(Pt 2), 2657–2665. https://doi.org/10.1016/j.scitotenv.2018.09.372
[30] Wang, X. (2022). Research on soil organic carbon and its ecosystem service function in karst rocky desertification [Doctoral dissertation, Guizhou Normal University].
[31] Liu, P. (2008). Discussion on the basic features and causes of caves in Suiyang Shuanghe Cave National Geopark, Guizhou. Guizhou Geology, 25(4), 302–305.
[32] Zhang, W., Zhou, Z., Zhu, C., & An, D. (2021). Relationship between soil physical and chemical characteristics and soil organic carbon content in karst areas. Environmental Science and Technology, 44(7), 91–99.
[33] Jing, J., Liu, Z., Luo, D., & Zhang, W. (2020). Characteristics of soil organic carbon distribution and influencing factors in karst depressions. Journal of Forestry and Environment, 40(2), 133–139.
[34] Wang, B., An, S., Liang, C., Liu, Y., & Kuzyakov, Y. (2021). Microbial necromass as the source of soil organic carbon in global ecosystems. Soil Biology and Biochemistry, 162, 108422. https://doi.org/10.1016/j.soilbio.2021.108422
[35] Sokol, N. W., & Bradford, M. A. (2019). Microbial formation of stable soil carbon is more efficient from belowground than aboveground input. Nature Geoscience, 12(1), 46–53. https://doi.org/10.1038/s41561-018-0258-6
[36] Yang, H., Liang, Y., Xu, J., & Zhang, W. (2018). Research progress on the relationship between calcium and soil organic carbon in karst areas. Guangxi Science, 25(5), 505–514.
[37] Wu, F. (2022). Soil carbon and nitrogen fixation effects of vegetation restoration in Southwest Karst and its response to hydrothermal gradient [Doctoral dissertation, Hunan Agricultural University].
[38] Bai, Y. X. (2020). Construction of a technical model for sink-enhancing vegetation restoration in karst desertification based on soil carbon stock and carbon emission from agricultural activities [Doctoral dissertation, Guizhou Normal University].
[39] Du, H., Song, T., & Zeng, F. (2015). Changes in carbon patterns and influencing factors of different vegetation types in a karst crested depression. Chinese Journal of Ecology, 35(14), 4658–4667.
[40] Yang, Y., Duan, Y., Wang, B., & Liu, Y. (2022). Increasing contribution of microbial residues to soil organic carbon in grassland restoration chronosequence. Soil Biology and Biochemistry, 170, 108688. https://doi.org/10.1016/j.soilbio.2022.108688
[41] An, S., Darboux, F., & Cheng, M. (2013). Revegetation as an efficient means of increasing soil aggregate stability on the Loess Plateau (China). Geoderma, 209–210, 75–85. https://doi.org/10.1016/j.geoderma.2013.05.020
[42] Lange, M., Eisenhauer, N., Sierra, C. A., & Bessler, H. (2015). Plant diversity increases soil microbial activity and soil carbon storage. Nature Communications, 6(1), 6707. https://doi.org/10.1038/ncomms7707
[43] Wiesmeier, M., Urbanski, L., Hobley, E., & Lang, B. (2019). Soil organic carbon storage as a key function of soils - A review of drivers and indicators at various scales. Geoderma, 333, 149–162. https://doi.org/10.1016/j.geoderma.2018.07.026
[44] Hontoria, C., Rodríguez-Murillo, J. C., & Saa, A. (1999). Relationships between soil organic carbon and site characteristics in peninsular Spain. Soil Science Society of America Journal, 63(3), 614–621. https://doi.org/10.2136/sssaj1999.03615995006300030022x
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