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| 1 | Decomposition and stabilization of organic matter in an old-growth tropical riparian forest:effects of soil properties and vegetation structure显示文摘Background:Nutrient cycling in tropical forests has a large importance for primary productivity,and decomposition of litterfall is a major process influencing nutrient balance in forest soils.Although large-scale factors strongly influence decomposition patterns,small-scale factors can have major influences,especially in old-growth forests that have high structural complexity and strong plant-soil correlations.Here we evaluated the effects of forest structure and soil properties on decomposition rates and stabilization of soil organic matter using the Tea Bag Index(TBI)in an old-growth riparian forest in southeastern Brazil.These data sets were described separately using Principal Components Analysis(PCA).The main axes for each analysis,together with soil physical properties(clay content and soil moisture),were used to construct structural equations models that evaluated the different parameters of the TBI,decomposition rates and stabilization factor.The best model was selected using Akaike’s criterion.Results:Forest structure and soil physical and chemical properties presented large variation among plots within the studied forest.Clay content was strongly correlated with soil moisture and the first PCA axis of soil chemical properties,and model selection indicated that clay content was a better predictor than this axis.Decomposition rates presented a large variation among tea bags(0.009 and 0.098 g·g^(−1)·d−1)and were positively related with forest structure,as characterized by higher basal area,tree density and larger trees.The stabilization factor varied between 0.211–0.426 and was related to forest stratification and soil clay content.Conclusions:The old-growth forest studied presented high heterogeneity in both forest structure and soil properties at small spatial scales,that influenced decomposition processes and probably contributed to small-scale variation in nutrient cycling.Decomposition rates were only influenced by forest structure,whereas the stabilization factor was influenced by both forest structure and soil properties.Heterogeneity in ecological processes can contribute to the resilience of old-growth forests,highlighting the importance of restoration strategies that consider the spatial variation of ecosystem processes. | Pedro Henrique de Godoy Fernandes Andréa Lúcia Teixeira de Souza Marcel Okamoto Tanaka Renata Sebastiani | 2021 | Forest Ecosystems2021，8，1： | 1 |
| 2 | HLA - DPB1 alleles association of anticardiolipin and anti - beta2GPI antibodies in a large series of European patients with systemic lupus erythematosus 显示文摘 | Sebastiani GD Galeazzi M Tincani A | 2003 | Lupus2003，12，7： | 1 |
| 3 | Regulation of dendritic cell migration to the draining lymph node:impaction on T lymphocyte traffic and priming显示文摘 | Martln-Fontecha A Sebastiani S Hopken UE | 2003 | J Exp Med2003，198，4： | 1 |
| 4 | The technology of incremental sheet forming-A brief review of the history 显示文摘 | EMMENS W C SEBASTIANI (3 VAN DEN BOOGAARD A H | 2010 | Journal of Materials Processing Technology2010，210，8： | 1 |
| 5 | Prevalence and evolution of scleroderma pattern at nailfold videocapillaroscopy in systemic sclerosis patients: clinical and prognostic implications显示文摘 | Ghizzoni C Sebastiani M Manfredi A | 2015 | Microvasc Res2015，99，： | 1 |
| 6 | Performance of noninvasive markers for liver fibrosis is reduced in chronic hepatitis C with normal transaminases显示文摘 | Sebastiani G Vario A Guido M | 2008 | J Viral Hepat2008，15，3： | 1 |
| 7 | Changes in autonomic and EEG patterns induced by hypnotic imagination of aversive stimuli in man显示文摘 | Gemignani A Santarcangelo EL Sebastiani L Marchese C Mammoliti R Simoni A Ghelarducci B | 2000 | Brain Res Bull2000，53，： | 1 |
| 8 | Relationship among parameters of lake polluted sediments evaluated by multivariate statistical analysis显示文摘 | Bartolomeo A De Poletti L Sanchini G Sebastiani B Morozzi G | 2004 | Chemosphere2004，55，： | 1 |
| 9 | Regulation of dendritic cell migration to the draining lymph node: impact on T lymphocyte traffic and priming显示文摘 | Martin Fontecha A Sebastiani S Hopken UE | 2003 | J Exp Med2003，198，4： | 1 |
| 10 | The technology of incremental sheet forming-a brief review of the history显示文摘 | Emmens W C Sebastiani G Van Den Boogaard A H | 2010 | Journal of Materials Processing Technology2010，210，8： | 1 |
| 11 | Minimal changes of thyroid axis activity influence brain functions in young females affected by subclinical hypothyroidism 显示文摘 | Menicucci D Sebastiani L Comparini A | 2013 | Arch Ital Biol2013，151，1： | 1 |
| 12 | Capillaroscopicskin ulcer risk index: a new prognostic tool for digital skin ulcer development in systemic sclerosis patients显示文摘 | Sebastiani M Manfredi A Colaci M | 2009 | Arthritis Rheum2009，61，5： | 1 |
| 13 | Regulation of dendritic cell migration to the draining lymph node:impact on T lymphocyte traffic and priming显示文摘 | MartIn-Fontecha A Sebastiani S H(o)pken UE | 2003 | J Exp Med2003，198，4： | 1 |
| 14 | Predictive role of capillaroscopic skin ulcer risk index in systemic sclerosis: a muhicentre validation study显示文摘 | Sebastiani M Manfredi A Vukatana G | 2012 | Ann Rheum Dis2012，71，1： | 1 |
| 15 | Leaf structural modificationsin Populus×euramericana subjected to Zn excess显示文摘 | Baccio D Minnocci A Sebastiani L | 2010 | BiologiaPlantarum2010，54，3： | 1 |
| 16 | Stepwise combination algorithms of non-invasive markers to diagnose significant fibrosis in chronic hepatitis C 显示文摘 | Sebastiani G Vario A Guido M | 2006 | J Hepatol2006，44，4： | 1 |
| 17 | Hepatic iron overload is common in chronic hepatitis B and is more severe in patients coinfected with hepatitis D virus显示文摘 | Sebastiani G Tempesta D Alberti A | 2012 | J Viral Hepat2012，19，2： | 1 |
| 18 | Surface reconstruction for incremental forming显示文摘 | TEKKAYA A E SHANKAR R SEBASTIANI G | 2007 | Production Engineering2007，1，1： | 1 |
| 19 | The technology of incremental sheet forming-a brief review of the history显示文摘 | Emmens W C Sebastiani G Boogaard A H | 2010 | Jour- nal of Materials Processing Technology2010，210，： | 1 |
| 20 | The technology of incremental sheet forming a brief review of the history显示文摘 | Emmens W C Sebastiani G van den Boogaard A H | 2010 | Journal of Materials Processing Technology2010，，210： | 1 |
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