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学者姓名：刘圣恩
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Fires alter the stability of organic matter and promote soil erosion which threatens the fundamental coupling of soil biogeochemical cycles. Yet, how soil biogeochemistry and its environmental drivers respond to fire remain virtually unknown globally. Here, we integrate experimental observations and random forest model, and reveal significant divergence in the responses of soil biogeochemical attributes to fire, including soil carbon (C), nitrogen (N), and phosphorus (P) contents worldwide. Fire generally decreases soil C, has non-significant impacts on total N, while it increases the contents of inorganic N and P, with some effects persisting for decades. The impacts of fire are most strongly negative in cold climates, conifer forests, and under wildfires with high intensity and frequency. Our work provides evidence that fire decouples soil biogeochemistry globally and helps to identify high-priority ecosystems where critical components of soil biogeochemistry are especially unbalanced by fire, which is fundamental for the management of ecosystems in a world subjected to more severe, recurrent, and further-reaching wildfires.
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| GB/T 7714 | Zhou, Guiyao , Eisenhauer, Nico , Du, Zhenggang et al. Fire-driven disruptions of global soil biochemical relationships [J]. | NATURE COMMUNICATIONS , 2025 , 16 (1) . |
| MLA | Zhou, Guiyao et al. "Fire-driven disruptions of global soil biochemical relationships" . | NATURE COMMUNICATIONS 16 . 1 (2025) . |
| APA | Zhou, Guiyao , Eisenhauer, Nico , Du, Zhenggang , Lucas-Borja, Manuel Esteban , Zhai, Kaiyan , Berdugo, Miguel et al. Fire-driven disruptions of global soil biochemical relationships . | NATURE COMMUNICATIONS , 2025 , 16 (1) . |
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AimsPlant litter often exists in mixed forms in natural ecosystems, where mixing effects can profoundly impact decomposition. Species rich in secondary metabolites may substantially alter decomposition when mixed with others, yet evidence under high secondary metabolite contexts remains scarce. This study aimed to investigate how Eucalyptus globulus, a species with high secondary metabolite levels, affects decomposition dynamics when mixed with litter from 20 co-occurring species.MethodsWe deployed 2214 litterbags combining Eucalyptus leaf litter and those from 20 co-occurring species. Litter mass loss was monitored periodically during 360 days to assess temporal variation in mixing effects. We further evaluated the roles of community-weighted means (CWM) and functional diversity (FD) of leaf traits in driving mass loss.ResultsDecomposition was strongly regulated by seasonality. During the early stage, mixing effects were predominantly additive, while non-additive effects dominated and intensified over time during the late stage. The decomposition of 18 species was inhibited when mixed with Eucalyptus litter (3.70-35.3% reduction compared to single-species decomposition), whereas all species facilitated Eucalyptus litter decomposition, revealing an "inhibition-facilitation" trade-off. In addition, mass loss was primarily driven by CWM of leaf traits, with FD playing a minor role.ConclusionsMixed litter decomposition showed a non-additive, net synergistic effect even with species high in secondary metabolites. Performance trade-offs among species weakened the influence of leaf trait functional diversity on mass loss.
Keyword ：
Eucalyptus Eucalyptus Litter decomposition Litter decomposition Mixed litter Mixed litter Non-additive effect Non-additive effect Secondary metabolites Secondary metabolites
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| GB/T 7714 | Zhao, Jianfeng , Li, Ling , Zhu, Siyu et al. Non-additive effects and interactions during the mixed decomposition of Eucalyptus globulus leaves and 20 co-occurring plant species [J]. | PLANT AND SOIL , 2025 . |
| MLA | Zhao, Jianfeng et al. "Non-additive effects and interactions during the mixed decomposition of Eucalyptus globulus leaves and 20 co-occurring plant species" . | PLANT AND SOIL (2025) . |
| APA | Zhao, Jianfeng , Li, Ling , Zhu, Siyu , Wang, Ranfei , Jin, Ling , Liu, Sheng'en et al. Non-additive effects and interactions during the mixed decomposition of Eucalyptus globulus leaves and 20 co-occurring plant species . | PLANT AND SOIL , 2025 . |
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Tidal marshes serve as critical carbon (C) sinks, yet face increasing threats from global environmental changes. While previous research has documented how nitrogen (N) loading and sea-level rise affect total C pools individually, their impacts on soil organic carbon (SOC) stabilization remain critically underexplored, particularly when these factors co-occur in tidal marsh ecosystems. Through a 3-yr field experiment, we analyzed how these factors, alone and combined, impact SOC stabilization by examining SOC fraction dynamics. Results showed that N loading increased particulate organic carbon (POC) by 18% and decreased mineral-associated organic carbon (MAOC) by 13%, reducing SOC stabilization. Conversely, increased inundation raised MAOC by 31% and decreased POC by 19%, promoting SOC stabilization. The decreased MAOC under N loading stemmed from reduced fungal necromass C, while the increased POC related to lower phenol oxidase activity. In contrast, with increased inundation, MAOC rose due to iron-bound organic C (Fe-OC) accumulation, while POC declined from increased phenol oxidase activity. When both factors were applied together, SOC stabilization remained at control levels. This occurred because the combined effect maintained oxidative enzyme activities and thus retained POC levels. The simultaneous reduction in fungal necromass C and enhancement of Fe-OC associations established complementary mechanisms that maintained MAOC at levels equivalent to control. Our findings reveal that N loading and increased inundation drive contrasting patterns of SOC stabilization, while their combination produces uniquely stabilized C dynamics. This insight challenges single-factor predictions and underscores the importance of multi-factor experiments in understanding ecosystem responses under concurrent global change scenarios.
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| GB/T 7714 | Fan, Tianning , Huang, Jiafang , Liang, Guopeng et al. Unexpectedly stable soil organic carbon in tidal marshes under combined nitrogen loading and increased inundation compared to individual effects [J]. | LIMNOLOGY AND OCEANOGRAPHY , 2025 , 70 (8) : 2125-2141 . |
| MLA | Fan, Tianning et al. "Unexpectedly stable soil organic carbon in tidal marshes under combined nitrogen loading and increased inundation compared to individual effects" . | LIMNOLOGY AND OCEANOGRAPHY 70 . 8 (2025) : 2125-2141 . |
| APA | Fan, Tianning , Huang, Jiafang , Liang, Guopeng , Liu, Shengen , Hu, Dehong , Su, Lifei et al. Unexpectedly stable soil organic carbon in tidal marshes under combined nitrogen loading and increased inundation compared to individual effects . | LIMNOLOGY AND OCEANOGRAPHY , 2025 , 70 (8) , 2125-2141 . |
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Forest rewilding is expected to help support nature restoration and mitigate climate change by promoting soil carbon (C) stocks. Increases in biodiversity after decades of rewilding may affect forest soil C stocks; however, the relative contribution of subordinate and dominant tree species diversity to soil C stocks after decades of forest rewilding remains poorly understood. Here, we conducted a standardized field survey to investigate how subordinate (i.e. rarer) and dominant (i.e. more common) tree species diversity (determined based on basal area) correlate with multiple aspects of soil C stocks (i.e. total soil C stock, dissolved organic C, microbial residue C, and microbial respiration) after 31 years of the establishment of a forest plantation in a subtropical ecosystem. We found that both subordinate and dominant tree species diversity were positively correlated with soil C stock, dissolved organic C, microbial residue C, and microbial respiration. Meanwhile, tree functional traits (e.g. the proportion of N-fixing taxa) among subordinate species were positively correlated with bacterial residue C. Strikingly, subordinate tree species diversity explained a larger portion of variation in soil C stock compared with the diversity of dominant tree species. Structural equation model (SEM) further suggested that subordinate plant biodiversity influenced soil C stocks via its influence on plant traits. Synthesis and applications. Our work provides new insights on the crucial role of subordinate tree species diversity in supporting C stocks after decades-long rewilding of a subtropical forest. Therefore, the preservation of the rarer subordinate plant species is fundamental to develop sustainable forest management strategies, and for policymakers to promote climate change mitigating ecosystem services.
Keyword ：
biodiversity-ecosystem functioning biodiversity-ecosystem functioning carbon stock carbon stock climate change climate change ecosystem services ecosystem services forest restoration forest restoration plant biodiversity plant biodiversity subtropical forest subtropical forest
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| GB/T 7714 | Zhai, Kaiyan , Yin, Pan , Revillini, Daniel et al. Subordinate tree species diversity explains carbon stock better than dominant tree diversity after decades of forest rewilding [J]. | JOURNAL OF APPLIED ECOLOGY , 2025 , 62 (3) : 604-616 . |
| MLA | Zhai, Kaiyan et al. "Subordinate tree species diversity explains carbon stock better than dominant tree diversity after decades of forest rewilding" . | JOURNAL OF APPLIED ECOLOGY 62 . 3 (2025) : 604-616 . |
| APA | Zhai, Kaiyan , Yin, Pan , Revillini, Daniel , Chen, Xinli , Liu, Shengen , Lou, Yilai et al. Subordinate tree species diversity explains carbon stock better than dominant tree diversity after decades of forest rewilding . | JOURNAL OF APPLIED ECOLOGY , 2025 , 62 (3) , 604-616 . |
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The microbiome inhabiting the surface of leaves is essential for supporting forest health and productivity. Yet, the relevance of host selection and neighbourhood conditions in supporting phyllosphere microbial diversity remains poorly understood. Here, we used a large-scale forest biodiversity experiment in subtropical China to elucidate the mechanisms driving phyllosphere microbial diversity. Our results showed that bacterial diversity depends more on plant traits associated with resource-acquisitive strategy, while fungal diversity was more closely related to the trade-off between plant productivity and defence. Additionally, bacterial diversity was highly structured by neighbourhood tree competition, whereas fungal diversity was mainly shaped by host plant functional traits. Furthermore, the relationship between microbial diversity and host traits was enhanced as tree species diversity increased. Together, our work provides novel evidence that tree competition plays crucial roles in promoting microbial diversity in the phyllosphere and highlights the importance of plant-microbe interaction in supporting ecosystem sustainability.
Keyword ：
BEF relationship BEF relationship phyllosphere microbiome phyllosphere microbiome plant traits plant traits tree diversity tree diversity
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| GB/T 7714 | Lu, Anqi , Meyer, Kyle , Zhou, Guiyao et al. Neighbourhood Tree Competition Promotes Microbial Diversity in Phyllosphere [J]. | ECOLOGY LETTERS , 2025 , 28 (11) . |
| MLA | Lu, Anqi et al. "Neighbourhood Tree Competition Promotes Microbial Diversity in Phyllosphere" . | ECOLOGY LETTERS 28 . 11 (2025) . |
| APA | Lu, Anqi , Meyer, Kyle , Zhou, Guiyao , Chen, Xinli , Zhu, Dong , Yu, Zaipeng et al. Neighbourhood Tree Competition Promotes Microbial Diversity in Phyllosphere . | ECOLOGY LETTERS , 2025 , 28 (11) . |
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Rapid biodiversity losses under global climate change threaten forest ecosystem functions. However, our understanding of the patterns and drivers of multiple ecosystem functions across biodiversity gradients remains equivocal. To address this important knowledge gap, we measured simultaneous responses of multiple ecosystem functions (nutrient cycling, soil carbon stocks, organic matter decomposition, plant productivity) to a tree species richness gradient of 1, 4, 8, 16, and 32 species in a young subtropical forest. We found that tree species richness had negligible effects on nutrient cycling, organic matter decomposition, and plant productivity, but soil carbon stocks and ecosystem multifunctionality significantly increased with tree species richness. Linear mixed-effect models showed that soil organisms, particularly arbuscular mycorrhizal fungi (AMF) and soil nematodes, elicited the greatest relative effects on ecosystem multifunctionality. Structural equation models revealed indirect effects of tree species richness on ecosystem multifunctionality mediated by trophic interactions in soil micro-food webs. Specifically, we found a significant negative effect of gram-positive bacteria on soil nematode abundance (a top-down effect), and a significant positive effect of AMF biomass on soil nematode abundance (a bottom-up effect). Overall, our study emphasizes the significance of a multitrophic perspective in elucidating biodiversity-multifunctionality relationships and highlights the conservation of functioning soil micro-food webs to maintain multiple ecosystem functions. The responses of ecosystem multifunctionality (nutrient cycling, soil carbon stocks, organic matter decomposition, plant productivity) to a tree species richness gradient of 1, 4, 8, 16, and 32 species were explored in a young subtropical tree diversity experiment. Soil carbon stocks and ecosystem multifunctionality significantly increased with tree species richness. Soil organisms, particularly arbuscular mycorrhizal fungi and soil nematodes, elicited the greatest relative effects on ecosystem multifunctionality. Tree diversity indirectly affected ecosystem multifunctionality through trophic interactions in soil micro-food webs. image
Keyword ：
functional diversity functional diversity nematodes nematodes niche complementarity niche complementarity phylogenetic diversity phylogenetic diversity soil biodiversity soil biodiversity trophic interactions trophic interactions
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| GB/T 7714 | Shi, Xiuzhen , Eisenhauer, Nico , Penuelas, Josep et al. Trophic interactions in soil micro-food webs drive ecosystem multifunctionality along tree species richness [J]. | GLOBAL CHANGE BIOLOGY , 2024 , 30 (3) . |
| MLA | Shi, Xiuzhen et al. "Trophic interactions in soil micro-food webs drive ecosystem multifunctionality along tree species richness" . | GLOBAL CHANGE BIOLOGY 30 . 3 (2024) . |
| APA | Shi, Xiuzhen , Eisenhauer, Nico , Penuelas, Josep , Fu, Yanrong , Wang, Jianqing , Chen, Yuxin et al. Trophic interactions in soil micro-food webs drive ecosystem multifunctionality along tree species richness . | GLOBAL CHANGE BIOLOGY , 2024 , 30 (3) . |
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The priming effect (PE) of soil organic carbon (SOC) decomposition has been widely demonstrated to be affected by elevated nitrogen (N) deposition, yet the response of the PE to N deposition in diverse climatic regions remains elusive. This study aimed at exploring the effects of N deposition on the PE and their controlling factors in temperate and subtropical forest ecosystems. We conducted an incubation experiment with temperate and subtropical forest soils that had been experimentally exposed to varying levels of N deposition. A global metaanalysis of the responses of the PE to N deposition in forest ecosystems was also conducted. We found that the response of the PE to increasing N deposition depended on the climatic region. In temperate forests, the PE was strengthened by low N deposition whereas inhibited by high N deposition, with an approximate threshold of 50 kg N ha 1 yr 1. Contrastingly, no pronounced impact was observed in subtropical forests regardless of N levels. These findings generally align with our meta -analysis of global forest studies, except for low N treatment in temperate forests. In N -limited temperate forests, the alterations in PE under N deposition were primarily controlled by soil recalcitrant organic carbon content. Conversely, in P -limited subtropical forests, the lack of N impacts on PE was attributed to the persistent ratio of fungal to bacterial PLFA. Correspondingly, the microbial mechanisms underlying the process of priming also varied in diverse climatic regions, particularly emphasizing the stronger role of fungi in subtropical forests. These results highlight the noteworthy alteration of SOC dynamics in temperate forests under increasing N deposition, and suggest that previous findings might have overestimated the effect of N deposition on the PE in subtropical forests.
Keyword ：
Climatic region Climatic region Deposition rate Deposition rate Forest ecosystem Forest ecosystem Microbial mechanism Microbial mechanism Nitrogen deposition Nitrogen deposition Priming effect Priming effect
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| GB/T 7714 | Wang, Qingkui , Zhao, Xuechao , Liu, Shengen et al. Contrasting responses of the priming effect to nitrogen deposition in temperate and subtropical forests [J]. | CATENA , 2024 , 238 . |
| MLA | Wang, Qingkui et al. "Contrasting responses of the priming effect to nitrogen deposition in temperate and subtropical forests" . | CATENA 238 (2024) . |
| APA | Wang, Qingkui , Zhao, Xuechao , Liu, Shengen , Wang, Qinggui , Zhang, Wei , Fontaine, Sebastien et al. Contrasting responses of the priming effect to nitrogen deposition in temperate and subtropical forests . | CATENA , 2024 , 238 . |
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Facing global changes, substantial modifications in soil microbes and their functions have been widely evidenced and connected. However, the response of soil microbial respiration (MR) to increasing nitrogen (N) deposition and the role of microbial characteristics in controlling this response remain elusive. In this study, we quantified the intensity of the soil MR in terrestrial ecosystems that suffered elevated N deposition. High-throughput quantitative sequencing and phospholipid fatty acids were employed to analyse microbial community properties and biomass, whilst microbial necromass was quantified using biomarker amino sugars. Our results revealed that soil MR kept stable under N deposition. Microorganisms maintained their respiration rates by modifying the characteristics of enzymes rather than altering microbial community properties or biomass. Notably, soil MR increased with latitude across study sites, which was attributed to the restriction of microbial activity by bacterial necromass. Supporting this observation, the recalcitrance of the soil carbon (C) pool to microbial degradation was evidenced to be the stability mechanism underlying the spatial variations in MR. Overall, we propose that MR is resistant to short-term N deposition, whilst it exhibits a pronounced latitude dependence as shaped by the recalcitrant C pool. Our findings provide crucial insights into the microbial mechanisms of soil C dynamics under global change, contributing to the advancement of soil C models.
Keyword ：
chemical stability chemical stability microbial community microbial community microbial necromass microbial necromass nitrogen deposition nitrogen deposition soil microbial respiration soil microbial respiration
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| GB/T 7714 | Wang, Qingkui , Zhao, Xuechao , Liu, Shengen et al. Soil microbial respiration does not respond to nitrogen deposition but increases with latitude [J]. | EUROPEAN JOURNAL OF SOIL SCIENCE , 2024 , 75 (5) . |
| MLA | Wang, Qingkui et al. "Soil microbial respiration does not respond to nitrogen deposition but increases with latitude" . | EUROPEAN JOURNAL OF SOIL SCIENCE 75 . 5 (2024) . |
| APA | Wang, Qingkui , Zhao, Xuechao , Liu, Shengen , Wang, Qinggui , Xu, Zhuwen , Lu, Xiaotao et al. Soil microbial respiration does not respond to nitrogen deposition but increases with latitude . | EUROPEAN JOURNAL OF SOIL SCIENCE , 2024 , 75 (5) . |
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Terrestrial ecosystems are subjected to multiple global changes simultaneously. Yet, how an increasing number of global changes impact the resistance of ecosystems to global change remains virtually unknown. Here we present a global synthesis including 14,000 observations from seven ecosystem services (functions and biodiversity), as well as data from a 15-year field experiment. We found that the resistance of multiple ecosystem services to global change declines with an increasing number of global change factors, particularly after long-term exposure to these factors. Biodiversity had a higher resistance to multiple global changes compared with ecosystem functions. Our work suggests that we need to consider the combined effects of multiple global changes on the magnitude and resistance of ecosystem services worldwide, as ecosystem responses will be enhanced by the number of environmental stressors and time of exposure. Increasing the number of global changes reduces the resistance of ecosystem services worldwide, according to an analysis of global available observational data and field experiments.
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| GB/T 7714 | Zhou, Guiyao , Eisenhauer, Nico , Terrer, Cesar et al. Resistance of ecosystem services to global change weakened by increasing number of environmental stressors [J]. | NATURE GEOSCIENCE , 2024 , 17 (9) . |
| MLA | Zhou, Guiyao et al. "Resistance of ecosystem services to global change weakened by increasing number of environmental stressors" . | NATURE GEOSCIENCE 17 . 9 (2024) . |
| APA | Zhou, Guiyao , Eisenhauer, Nico , Terrer, Cesar , Eldridge, David J. , Duan, Huimin , Guirado, Emilio et al. Resistance of ecosystem services to global change weakened by increasing number of environmental stressors . | NATURE GEOSCIENCE , 2024 , 17 (9) . |
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凋落叶和根系输入是土壤有机碳(SOC)的重要植物来源,探讨凋落叶和根系去除对SOC及其组分的影响有利于深入理解森林生态系统SOC的积累机制。该研究依托中国科学院湖南会同森林生态系统国家野外科学观测研究站长达12年的凋落物去除实验(对照、凋落叶去除、根系去除、凋落叶和根系同时去除),比较了亚热带杉木(Cunninghamia lanceolata)人工林凋落叶和根系对SOC及其组分和各组分对总有机碳碳库相对贡献的影响及季节动态。结果表明:凋落叶和根系去除均会降低SOC含量,且不同凋落物去除对碳组分的相对影响各不相同。具体表现为:凋落叶去除对SOC、土壤矿质结合态有机碳(MAOC)和重组分有机碳(HFOC)含量的负效应显著大于根系去除,而根系去除对土壤颗粒有机碳(POC)含量的负效应显著大于凋落叶去除,凋落叶和根系同时去除对轻组分有机碳(LFOC)含量的负效应大于其他处理。相关性分析和冗余分析表明:碳组分含量与土壤全氮含量、碳氮比均呈正相关关系。此外,季节对POC和LFOC含量以及不同碳组分对总有机碳碳库的贡献有显著影响。夏季土壤碳组分含量与全磷含量和碳磷比的相关性明显高于冬季。该研究为长期凋落物去除对亚热带杉木林SOC及其组分的影响提供了证据,有助于探究SOC的积累机制对凋落物去除的响应。
Keyword ：
凋落叶去除 凋落叶去除 土壤有机碳 土壤有机碳 季节动态 季节动态 杉木林 杉木林 根系去除 根系去除 碳组分 碳组分
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| GB/T 7714 | 彭思瑞 , 张慧玲 , 孙兆林 et al. 长期凋落物去除对亚热带杉木林土壤有机碳及其组分的影响 [J]. | 植物生态学报 , 2024 , 48 (08) : 1078-1088 . |
| MLA | 彭思瑞 et al. "长期凋落物去除对亚热带杉木林土壤有机碳及其组分的影响" . | 植物生态学报 48 . 08 (2024) : 1078-1088 . |
| APA | 彭思瑞 , 张慧玲 , 孙兆林 , 赵学超 , 田鹏 , 陈迪马 et al. 长期凋落物去除对亚热带杉木林土壤有机碳及其组分的影响 . | 植物生态学报 , 2024 , 48 (08) , 1078-1088 . |
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