What's the effect of long term revegetation on soil Stoichiometry? Case study based on in situ long term monitoring on the Loess Plateau, China

What's the effect of long term revegetation on soil Stoichiometry? Case study based on in situ long term monitoring on the Loess Plateau, China | Authorea try { document.documentElement.classList.add('js'); } catch (e) { } var _gaq = _gaq || []; _gaq.push(['_setAccount', 'G-8VDV14Y67G']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); Skip to main content Preprints Collections Wiley Open Research IET Open Research Ecological Society of Japan All Collections About About Authorea FAQs Contact Us Quick Search anywhere Search for preprint articles, keywords, etc. Search Search ADVANCED SEARCH SCROLL Land Degradation & Development This is a preprint and has not been peer reviewed. Data may be preliminary. 12 March 2025 V1 Latest version Share on What's the effect of long term revegetation on soil Stoichiometry? Case study based on in situ long term monitoring on the Loess Plateau, China Authors : Yile Pei , Shihao Gong , Xinyu Zhang , Zeyu Zhang , Hanyun Zhang , and Tonggang Zha Authors Info & Affiliations https://doi.org/10.22541/au.174177596.64027093/v1 321 views 179 downloads Contents Abstract Supplementary Material Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract Soil nutrient stoichiometry is fundamental to ecosystem functioning. However, it remains unclear how long-term vegetation restoration affects its dynamics. This study utilized long-term monitoring to compare soil C, N, and P stoichiometric characteristics under five stand types: cropland (CK), natural secondary forest (NSF), Robinia and Pinus mixed forest (RPF), Robinia pseudoacacia plantation (RF), and Pinus tabuliformis plantation (PTF). Specific focus was given to soil organic carbon (SOC), total nitrogen (TN), and total phosphorus (TP), as well as their C:N, C:P, and N:P ratios. During 30 years of vegetation restoration, SOC and TN increased by 11.65% and 7.46%, while TP decreased significantly by 11.74% ( P >0.05). Furthermore, SOC and TN increased significantly with natural restoration (NSF) and stabilized by the 25th year. SOC and TN decreased to a minimum approximately during the 7th to 9th year period under artificial vegetation restoration (PF, RF, RPF); SOC and TN recovered to their initial values after approximately 13 to 15 years, and stabilized by the 25th year. Finally, the C:N ratio did not change significantly, while the C:P and N:P ratios varied temporally with early fluctuations (0–10 year period), significant increases in the mid-term (10–20 year period; P < 0.05), and stabilization in the late stage (20–30 year period). Climate indirectly influenced SOC, TN, and TP through soil and vegetation factors. SOC and TN were directly affected by both soil and vegetation factors, while TP was primarily influenced by vegetation factors. Over the 30-year period, the contribution of vegetation factors to soil nutrients gradually increased, with tree and herbaceous biomass being a key factor, while the contribution of soil factors decreased. Our findings provide crucial insights into the long-term effects of vegetation restoration on soil nutrient cycling and stoichiometric optimization in the Loess Plateau and offer a scientific basis for formulating effective restoration strategies. Supplementary Material File (manuscript.doc) Download 3.59 MB Information & Authors Information Version history V1 Version 1 12 March 2025 Copyright This work is licensed under a Non Exclusive No Reuse License. Collection Land Degradation & Development Keywords ecosystem restoration loess plateau long-term monitoring soil stoichiometry vegetation restoration Authors Affiliations Yile Pei View all articles by this author Shihao Gong Beijing Forestry University School of Soil and Water Conservation View all articles by this author Xinyu Zhang Beijing Forestry University View all articles by this author Zeyu Zhang Beijing Forestry University School of Soil and Water Conservation View all articles by this author Hanyun Zhang Beijing Forestry University School of Soil and Water Conservation View all articles by this author Tonggang Zha Beijing Forestry University School of Soil and Water Conservation View all articles by this author Metrics & Citations Metrics Article Usage 321 views 179 downloads .FvxKWukQNSOunydq8rnd { width: 100px; } Citations Download citation Yile Pei, Shihao Gong, Xinyu Zhang, et al. What's the effect of long term revegetation on soil Stoichiometry? Case study based on in situ long term monitoring on the Loess Plateau, China. Authorea . 12 March 2025. DOI: https://doi.org/10.22541/au.174177596.64027093/v1 If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download. For more information or tips please see 'Downloading to a citation manager' in the Help menu . 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