Berg, B. et al. Factors influencing limit values for pine needle litter decomposition: A synthesis for boreal and temperate pine forest systems. Biogeochemistry 100, 57–73. https://doi.org/10.1007/s10533-009-9404-y (2010).
Google Scholar
Hobbie, S. E. et al. Response of decomposing litter and its microbial community to multiple forms of nitrogen enrichment. Ecol. Monogr. 82, 389–405 (2012).
Handa, I. T. et al. Consequences of biodiversity loss for litter decomposition across biomes. Nature 509, 218–221 (2014).
Google Scholar
Talbot, J. M., Yelle, D. J., Nowick, J. S. & Treseder, K. K. Litter decay rates are determined by lignin chemistry. Biogeochemistry 108, 279–295 (2012).
Google Scholar
Pei, G. et al. Nitrogen, lignin, C/N as important regulators of gross nitrogen release and immobilization during litter decomposition in a temperate forest ecosystem. For. Ecol. Manage. 440, 61–69 (2019).
Couˆteaux, M., Bottner, P. & Berg, B. Litter decomposition, climate and liter quality. Trends Ecol. Evol. 10, 63–66 (1995).
Galloway, J. N. et al. Transformation of the nitrogen cycle: Recent trends, questions, and potential solutions. Science 320, 889. https://doi.org/10.1126/science.1136674 (2008).
Google Scholar
Kanakidou, M. et al. Past, present, and future atmospheric nitrogen deposition. J. Atmos. Sci. 73, 2039–2047. https://doi.org/10.1175/JAS-D-15-0278.1 (2016).
Google Scholar
Zhu, J. et al. The composition, spatial patterns, and influencing factors of atmospheric wet nitrogen deposition in Chinese terrestrial ecosystems. Sci. Total Environ. 511, 777–785 (2015).
Google Scholar
Liu, X. et al. Nitrogen deposition and its ecological impact in China: An overview. Environ. Pollut. 159, 2251–2264. https://doi.org/10.1016/j.envpol.2010.08.002 (2011).
Google Scholar
Chen, H. Y. H. & Zhang, T. Data for: Responses of litter decomposition and nutrient release to N addition: A meta-analysis of terrestrial ecosystems. Appl. Soil. Ecol. 1, 35–42 (2018).
Knorr, M., Frey, S. & Curtis, P. Nitrogen additions and litter decomposition: A meta-analysis. Ecology 86, 3252–3257. https://doi.org/10.1890/05-0150 (2005).
Google Scholar
Hobbie, S. E. & Vitousek, P. M. Nutrient limitation of decomposition in Hawaiian forests. Ecology 81, 1867–1877 (2000).
Zhou, S. X. et al. Simulated nitrogen deposition significantly suppresses the decomposition of forest litter in a natural evergreen broad-leaved forest in the Rainy Area of Western China. Plant Soil 420(1–2), 135–145 (2017).
Google Scholar
Wang, Q., Kwak, J., Choi, W. & Chang, S. X. Long-term N and S addition and changed litter chemistry do not affect trembling aspen leaf litter decomposition, elemental composition and enzyme activity in a boreal forest. Environ. Pollut. 250, 143–154 (2019).
Google Scholar
Magill, A. H. & Aber, J. D. Long-term effects of experimental nitrogen additions on foliar litter decay and humus formation in forest ecosystems. Plant Soil 203, 301–311 (1998).
Google Scholar
Janssens, I. A. et al. Reduction of forest soil respiration in response to nitrogen deposition. Nat. Geosci. 3, 315–322 (2010).
Google Scholar
Zhang, W. et al. Litter quality mediated nitrogen effect on plant litter decomposition regardless of soil fauna presence. Ecology 97, 2834–2843 (2016).
Google Scholar
Wang, M. et al. Effects of sediment-borne nutrient and litter quality on macrophyte decomposition and nutrient release. Hydrobiologia 787, 205–215. https://doi.org/10.1007/s10750-016-2961-x (2017).
Google Scholar
Talbot, J. M. & Treseder, K. K. Interactions among lignin, cellulose, and nitrogen drive litter chemistry–decay relationships. Ecology 93, 345–354 (2012).
Google Scholar
Zhang, T. A., Luo, Y. & Ruan, H. Responses of litter decomposition and nutrient release to N addition: A meta-analysis of terrestrial ecosystems. Appl. Soil Ecol. 128, 35–42. https://doi.org/10.1016/j.apsoil.2018.04.004 (2018).
Google Scholar
Kuperman, R. G. Litter decomposition and nutrient dynamics in oak–hickory forests along a historic gradient of nitrogen and sulfur deposition. Soil Biol. Biochem. 31, 237–244 (1999).
Google Scholar
Cleveland, C. C. & Townsend, A. R. Nutrient additions to a tropical rain forest drive substantial soil carbon dioxide losses to the atmosphere. Proc. Natl. Acad. Sci. U.S.A. 103, 10316–10321 (2006).
Google Scholar
Chen, J. et al. Costimulation of soil glycosidase activity and soil respiration by nitrogen addition. Glob. Change Biol. 23, 1328–1337 (2017).
Google Scholar
Lu, X., Mao, Q., Gilliam, F. S., Luo, Y. & Mo, J. Nitrogen deposition contributes to soil acidification in tropical ecosystems. Glob. Change Biol. 20, 3790–3801 (2014).
Google Scholar
Yang, D., Song, L. & Jin, G. The soil C:N: P stoichiometry is more sensitive than the leaf C:N: P stoichiometry to nitrogen addition: A four-year nitrogen addition experiment in a Pinus koraiensis plantation. Plant Soil 442, 183–198. https://doi.org/10.1007/s11104-019-04165-z (2019).
Google Scholar
Penuelas, J. et al. Human-induced nitrogen–phosphorus imbalances alter natural and managed ecosystems across the globe. Nat. Commun. 4, 2934 (2013).
Google Scholar
Liu, X. et al. Enhanced nitrogen deposition over China. Nature 494, 459–462. https://doi.org/10.1038/nature11917 (2013).
Google Scholar
Kang, Y. et al. High-resolution ammonia emissions inventories in China from 1980 to 2012. Atmos. Chem. Phys. 16, 2043–2058 (2015).
Google Scholar
Huo, Y. et al. Climate–growth relationships of Schrenk spruce (Picea schrenkiana) along an altitudinal gradient in the western Tianshan mountains. northwest China. Trees 31, 429–439 (2017).
Zhonglin, X. et al. Climatic and topographic variables control soil nitrogen, phosphorus, and nitrogen: Phosphorus ratios in a Picea schrenkiana forest of the Tianshan Mountains. PLoS ONE 13(11), e0204130 (2018).
Zhang, T. et al. The impacts of climatic factors on radial growth patterns at different stem heights in Schrenk spruce (Picea schrenkiana). Trees 34(1), 163–175 (2020).
Chen, X., Gong, L. & Liu, Y. The ecological stoichiometry and interrelationship between litter and soil under seasonal snowfall in Tianshan Mountain. Ecosphere 9(11), e02520 (2018).
Gong, L. & Zhao, J. The response of fine root morphological and physiological traits to added nitrogen in Schrenk’s spruce (Picea schrenkiana) of the Tianshan mountains, China. PeerJ 7, e8194 (2019).
Google Scholar
Zhu, H., Zhao, J. & Gong, L. The morphological and chemical properties of fine roots respond to nitrogen addition in a temperate Schrenk’s spruce (Picea schrenkiana) forest. Sci. Rep. 11(1), 3839. https://doi.org/10.1038/s41598-021-83151-x (2021).
Google Scholar
Mo, J. et al. Decomposition responses of pine (Pinus massoniana) needles with two different nutrient-status to N deposition in a tropical pine plantation in southern China. Ann. For. Sci. 65, 405–405 (2008).
Wen, Z. et al. Changes of nitrogen deposition in China from 1980 to 2018. Environ. Int. 144, 106022. https://doi.org/10.1016/j.envint.2020.106022 (2020).
Google Scholar
Liu, W. et al. Critical transition of soil bacterial diversity and composition triggered by nitrogen enrichment. Ecology 101, e03053. https://doi.org/10.1002/ecy.3053 (2020).
Google Scholar
Yao, M. et al. Rate-specific responses of prokaryotic diversity and structure to nitrogen deposition in the Leymus chinensis steppe. Soil Biol. Biochem. 79, 81–90 (2014).
Google Scholar
Berg, B. & Matzner, E. Effect of N deposition on decomposition of plant litter and soil organic matter in forest systems. Environ. Rev. 5, 1–25. https://doi.org/10.1139/a96-017 (1997).
Google Scholar
Liu, W. et al. Nonlinear responses of the Vmax and Km of hydrolytic and polyphenol oxidative enzymes to nitrogen enrichment. Soil Biol. Biochem. 141, 107656. https://doi.org/10.1016/j.soilbio.2019.107656 (2020).
Google Scholar
Vestgarden, L. S. Carbon and nitrogen turnover in the early stage of Scots pine (Pinus sylvestris L.) needle litter decomposition: Effects of internal and external nitrogen. Soil Biol. Biochem. 33, 465–474 (2001).
Google Scholar
Brown, M. E. & Chang, M. C. Y. Exploring bacterial lignin degradation. Curr. Opin. Chem. Biol. 19, 1–7 (2014).
Google Scholar
Sun, T., Dong, L., Wang, Z., Lu, X. & Mao, Z. Effects of long-term nitrogen deposition on fine root decomposition and its extracellular enzyme activities in temperate forests. Soil Biol. Biochem. 93, 50–59 (2016).
Google Scholar
Sjoberg, G., Nilsson, S. I., Persson, T. & Karlsson, P. Degradation of hemicellulose, cellulose and lignin in decomposing spruce needle litter in relation to N. Soil Biol. Biochem. 36, 1761–1768 (2004).
Google Scholar
Sinsabaugh, R. L. Phenol oxidase, peroxidase and organic matter dynamics of soil. Soil Biol. Biochem. 42, 391–404 (2010).
Google Scholar
Carreiro, M. M., Sinsabaugh, R. L., Repert, D. A. & Parkhurst, D. F. Microbial enzyme shifts explain litter decay responses to simulated nitrogen deposition. Ecology 81, 2359–2365. https://doi.org/10.1890/0012-9658(2000)081[2359:meseld]2.0.co;2 (2000).
Google Scholar
Hobbie, S. E. Nitrogen effects on decomposition: A five-year experiment in eight temperate sites. Ecology 89, 2633–2644 (2008).
Google Scholar
Mo, J., Brown, S., Xue, J., Fang, Y. & Li, Z. Response of litter decomposition to simulated N deposition in disturbed, rehabilitated and mature forests in subtropical China. Plant Soil 282, 135–151 (2006).
Google Scholar
Ajwa, H. A., Dell, C. J. & Rice, C. W. Changes in enzyme activities and microbial biomass of tallgrass prairie soil as related to burning and nitrogen fertilization. Soil Biol. Biochem. 31, 769–777. https://doi.org/10.1016/S0038-0717(98)00177-1 (1999).
Google Scholar
Li, Q. et al. Biochar mitigates the effect of nitrogen deposition on soil bacterial community composition and enzyme activities in a Torreya grandis orchard. For. Ecol. Manage. 457, 117717 (2020).
Chen, J. et al. Long-term nitrogen loading alleviates phosphorus limitation in terrestrial ecosystems. Glob. Change Biol. 26, 5077–5086. https://doi.org/10.1111/gcb.15218 (2020).
Google Scholar
Marklein, A. R. & Houlton, B. Z. Nitrogen inputs accelerate phosphorus cycling rates across a wide variety of terrestrial ecosystems. New Phytol. 193, 696–704 (2012).
Google Scholar
Corrales, A., Turner, B. L., Tedersoo, L., Anslan, S. & Dalling, J. W. Nitrogen addition alters ectomycorrhizal fungal communities and soil enzyme activities in a tropical montane forest. Fungal Ecol. 27, 14–23 (2017).
Cusack, D. F. Soil nitrogen levels are linked to decomposition enzyme activities along an urban-remote tropical forest gradient. Soil Biol. Biochem. 57, 192–203 (2013).
Google Scholar
Xiao, S. et al. Effects of one-year simulated nitrogen and acid deposition on soil respiration in a subtropical plantation in China. Forests 11, 235 (2020).
Liang, X. et al. Global response patterns of plant photosynthesis to nitrogen addition: A meta-analysis. Glob. Change Biol. 26, 3585–3600. https://doi.org/10.1111/gcb.15071 (2020).
Google Scholar
Peng, Y. et al. Soil biochemical responses to nitrogen addition in a secondary evergreen broad-leaved forest ecosystem. Sci. Rep. 7, 2783–2783. https://doi.org/10.1038/s41598-017-03044-w (2017).
Google Scholar
Tian, D. et al. A global analysis of soil acidification caused by nitrogen addition. Environ. Res. Lett. 10, 024019 (2015).
Google Scholar
Gill, A. L. et al. Experimental nitrogen fertilisation globally accelerates, then slows decomposition of leaf litter. Ecol. Lett. 24, 802–811 (2021).
Google Scholar
Cotrufo, M. F. et al. Formation of soil organic matter via biochemical and physical pathways of litter mass loss. Nat. Geosci. 8, 776–779 (2015).
Google Scholar
Lu, X. et al. Nitrogen deposition accelerates soil carbon sequestration in tropical forests. Proc. Natl. Acad. Sci. USA 118, e2020790118 (2021).
Google Scholar
Kallenbach, C. M. et al. Direct evidence for microbial-derived soil organic matter formation and its ecophysiological controls. Nat. Commun. 7, 1–10 (2016).
Sun, S. et al. Soil warming and nitrogen deposition alter soil respiration, microbial community structure and organic carbon composition in a coniferous forest on eastern Tibetan Plateau. Geoderma 353, 283–292 (2019).
Google Scholar
Liu, G. Soil Physical and Chemical Analysis and Description of Soil Profiles (Elsevier, 1996).
Lotse, E. G. Chemical analysis of ecological materials. Soil Sci. 121, 373 (1976).
Google Scholar
Anderson, J. M. & Ingram, J. Tropical soil biology and fertility: A handbook of methods. Soil Sci. 157, 265 (1994).
Google Scholar
Roberts, J. D. & Rowland, A. P. Cellulose fractionation in decomposition studies using detergent fibre pre-treatment methods. Commun. Soil Plant Anal. 29, 11–14 (1998).
Kotroczó, Z. et al. Soil enzyme activity in response to long-term organic matter manipulation. Soil Biol. Biochem. 70, 237–243 (2014).
Paolo, N., Brunello, C., Stefano, C. & Emilio, M. Extraction of phosphatase, urease, proteases, organic carbon, and nitrogen from soil. Soil Sci. Soc. Am. J. https://doi.org/10.2136/SSSAJ1980.03615995004400050028X (1981).
Google Scholar
Schinner, F. & Mersi, W. V. Xylanase-, CM-cellulase- and invertase activity in soil: An improved method. Soil Biol. Biochem. 22, 511–515 (1990).
Google Scholar
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