Yu, Z., Loisel, J., Brosseau, D. P., Beilman, D. W. & Hunt, S. J. Global peatland dynamics since the Last Glacial Maximum. Geophys. Res. Lett. 37, L13402 (2010).
Joosten, H., Tapio-BiströmM, L. & Susanna, T. Peatlands: guidance for climate change mitigation through conservation, rehabilitation and sustainable use. Food and Agriculture Organization of the United Nations and Wetlands International. FAO (2012).
IUCN. Issues brief: peatlands and climate change. www.icun.org (2017).
Joosten, H. Peatlands, Climate Change Mitigation and Biodiversity Conservation. An Issue Brief on the Importance of Peatlands for Carbon and Biodiversity Conservation and the Role of Drained Peatlands as Greenhouse Gas Emission Hotspots (Nordic Council of Ministers, 2015).
Moore, T. R. & Knowles, R. The influence of water table levels on methane and carbon dioxide emissions from peatland soils. Can. J. Soil Sci. 69, 33–38 (1989).
Google Scholar
Tfaily, M. M. et al. Organic matter transformation in the peat column at Marcell Experimental Forest: humification and vertical stratification. J. Geophys. Res. Biogeosci. 119, 661–675 (2014).
Google Scholar
Clymo, R. S. & Bryant, C. L. Diffusion and mass flow of dissolved carbon dioxide, methane, and dissolved organic carbon in a 7-m deep raised peat bog. Geochim. Cosmochim. Acta 72, 2048–2066 (2008).
Google Scholar
Clymo, R. S. The limits to peat bog growth. Philos. Trans. R. Soc. B 303, 605–654 (1984).
Qin, S. et al. Temperature sensitivity of SOM decomposition governed by aggregate protection and microbial communities. Sci. Adv. 5, eaau1218. 1211–1219 (2019).
Dorrepaal, E. et al. Carbon respiration from subsurface peat accelerated by climate warming in the subarctic. Nature 460, 616–619 (2009).
Google Scholar
Luo, Z. K., Wang, G. C. & Wang, E. L. Global subsoil organic carbon turnover times dominantly controlled by soil properties rather than climate. Nat. Commun. 10, 3688 (2019).
Wilson, R. M. et al. Stability of peatland carbon to rising temperatures. Nat. Commun. 7, 13723 (2016).
Google Scholar
Sihi, D., Inglett, P. W. & Inglett, K. S. Carbon quality and nutrient status drive the temperature sensitivity of organic matter decomposition in subtropical peat soils. Biogeochemistry 131, 103–119 (2016).
Google Scholar
Wang, Q., Liu, S. & Tian, P. Carbon quality and soil microbial property control the latitudinal pattern in temperature sensitivity of soil microbial respiration across Chinese forest ecosystems. Glob. Chang. Biol. 24, 2841–2849 (2018).
Cheng, L. et al. Warming enhances old organic carbon decomposition through altering functional microbial communities. ISME J. 11, 1825–1835 (2017).
Luan, J., Wu, J., Liu, S., Roulet, N. & Wang, M. Soil nitrogen determines greenhouse gas emissions from northern peatlands under concurrent warming and vegetation shifting. Commun. Biol. 2, 132 (2019).
Meyer, N. et al. Nitrogen and phosphorus supply controls soil organic carbon mineralization in tropical topsoil and subsoil. Soil Biol. Biochem. 119, 152–161 (2018).
Google Scholar
Fontaine, S. et al. Stability of organic carbon in deep soil layers controlled by fresh carbon supply. Nature 450, 277–280 (2007).
Google Scholar
Moni, C. et al. Temperature response of soil organic matter mineralisation in arctic soil profiles. Soil Biol. Biochem. 88, 236–246 (2015).
Google Scholar
Xu, X., Sherry, R. A., Niu, S., Zhou, J. & Luo, Y. Long-term experimental warming decreased labile soil organic carbon in a tallgrass prairie. Plant Soil 361, 307–315 (2012).
Google Scholar
Broder, T., Blodau, C., Biester, H. & Knorr, K. H. Peat decomposition records in three pristine ombrotrophic bogs in southern Patagonia. Biogeosciences 9, 1479–1491 (2012).
Google Scholar
Adamczyk, M., Perez-Mon, C., Gunz, S. & Frey, B. Strong shifts in microbial community structure are associated with increased litter input rather than temperature in High Arctic soils. Soil Biol. Biochem. 151, 108054 (2020).
Google Scholar
Hug, L. A. et al. Community genomic analyses constrain the distribution of metabolic traits across the Chloroflexi phylum and indicate roles in sediment carbon cycling. Microbiome 1, 22 (2013).
Yun, J. L., Ju, Y. W., Deng, Y. C. & Zhang, H. X. Bacterial community structure in two permafrost wetlands on the Tibetan Plateau and Sanjiang Plain, China. Microb. Ecol. 68, 360–369 (2014).
Zhong, Q. et al. Water table drawdown shapes the depth-dependent variations in prokaryotic diversity and structure in Zoige peatlands. FEMS Microbiol. Ecol. https://doi.org/10.1093/femsec/fix049 (2017).
Google Scholar
Karhu, K. et al. Temperature sensitivity of soil respiration rates enhanced by microbial community response. Nature 513, 81–84 (2014).
Google Scholar
Thiessen, S., Gleixner, G., Wutzler, T. & Reichstein, M. Both priming and temperature sensitivity of soil organic matter decomposition depend on microbial biomass – An incubation study. Soil Biol. Biochem. 57, 739–748 (2013).
Google Scholar
Walker, T. W. N. et al. Microbial temperature sensitivity and biomass change explain soil carbon loss with warming. Nat. Clim. Chang. 8, 885–899 (2018).
Google Scholar
Dungait, J. A. J., Hopkins, D. W., Gregory, A. S. & Whitmore, A. P. Soil organic matter turnover is governed by accessibility not recalcitrance. Glob. Chang. Biol. 18, 1781–1796 (2012).
Conant, R. T. et al. Temperature and soil organic matter decomposition rates – synthesis of current knowledge and a way forward. Global Chang. Biol. 17, 3392–3404 (2011).
Hietz, P. et al. Long-term change in the nitrogen cycle of tropical forests. Science 4, 334 (2011).
Manzoni, S., Taylor, P., Richter, A., Porporato, A. & Agren, G. I. Environmental and stoichiometric controls on microbial carbon-use efficiency in soils. New Phytol. 196, 79–91 (2012).
Google Scholar
Sistla, S. A., Asao, S. & Schimel, J. P. Detecting microbial N-limitation in tussock tundra soil: Implications for Arctic soil organic carbon cycling. Soil Biol. Biochem. 55, 78–84 (2012).
Google Scholar
Chen, L. et al. Nitrogen availability regulates topsoil carbon dynamics after permafrost thaw by altering microbial metabolic efficiency. Nat. Commun. 9, 3951 (2018).
Soong, J. L. et al. Five years of whole-soil warming led to loss of subsoil carbon stocks and increased CO2 efflux. Sci. Adv. 7, eabd1343 (2021).
Chen, L. et al. Determinants of carbon release from the active layer and permafrost deposits on the Tibetan Plateau. Nat. Commun. 7, 13046 (2016).
Google Scholar
Girkin, N. T. et al. Interactions between labile carbon, temperature and land use regulate carbon dioxide and methane production in tropical peat. Biogeochemistry 147, 87–97 (2019).
Swails, E. et al. Will CO2 emissions from drained tropical peatlands decline over time? Links between soil organic matter quality, nutrients, and C mineralization rates. Ecosystems 21, 868–885 (2017).
Ismawi, S., Gandaseca, S. & Ahmed, O. Effects of deforestation on soil major macro-nutrient and other selected chemical properties of secondary tropical peat swamp forest. Int. J. Phys. Sci. 7, 2225–2228 (2012).
Google Scholar
Kimura, S., Melling, L. & Goh, K. Influence of soil aggregate size on greenhouse gas emission and uptake rate from tropical peat soil in forest and different oil palm development years. Geoderma 185, 1–5 (2012).
Takakai, F. et al. Effects of agricultural land-use change and forest fire on N2O emission from tropical peatlands, Central Kalimantan, Indonesia. Soil Sci. Plant Nutr. 52, 662–674 (2006).
Google Scholar
Knoblauch, C., Beer, C., Sosnin, A., Wagner, D. & Pfeiffer, E. M. Predicting long-term carbon mineralization and trace gas production from thawing permafrost of Northeast Siberia. Glob. Chang. Biol. 19, 1160–1172 (2013).
Treat, C. C. et al. Temperature and peat type control CO2 and CH4 production in Alaskan permafrost peats. Glob. Chang. Biol. 20, 2674–2686 (2014).
Google Scholar
Hobbie, S. E., Schimel, J. P., Trumbore, S. E. & Randerson, J. Controls over carbon storage and tureover in high-latitude soils. Glob. Chang. Biol. 6, 196–210 (2000).
Keller, J. K., Bauers, A. K., Bridgham, S. D., Kellogg, L. E. & Iversen, C. M. Nutrient control of microbial carbon cycling along an ombrotrophic-minerotrophic peatland gradient. J. Geophys. Res. https://doi.org/10.1029/2005jg000152 (2006).
Chen, H. et al. A historical overview about basic issues and studies of mires (in Chinese). Sci. Sin. 51, 15–26 (2020).
Ridl, J. et al. Plants rather than mineral fertilization shape microbial community structure and functional potential in legacy contaminated soil. Front. Microbiol. 7, 1–10 (2016).
Kane, E. S. et al. Response of anaerobic carbon cycling to water table manipulation in an Alaskan rich fen. Soil Biol. Biochem. 58, 50–60 (2013).
Google Scholar
Carrell, A. A. et al. Experimental warming alters the community composition, diversity, and N2 fixation activity of peat moss (Sphagnum fallax) microbiomes. Glob. Chang. Biol. 25, 2993–3004 (2019).
Lamit, L. J. et al. Patterns and drivers of fungal community depth stratification in Sphagnum peat. FEMS Microbiol. Ecol. 93, fix082 (2017).
Harrison, R. B., Footen, P. W. & Strahm, B. D. Deep soil horizons: contribution and importance to soil carbon pools and in assessing whole-ecosystem response to management and global change. Forest Sci. 57, 67–76 (2011).
Krüger, J. P., Leifeld, J., Glatzel, S., Szidat, S. & Alewell, C. Biogeochemical indicators of peatland degradation – a case study of a temperate bog in northern Germany. Biogeosciences 12, 2861–2871 (2015).
Franzén, L. G. Increased decomposition of subsurface peat in Swedish raised bogs: are temperate peatlands still net sinks of carbon? Mires Peat 1, 3 (2006).
Eilers, K. G., Lauber, C. L., Knight, R. & Fierer, N. Shifts in bacterial community structure associated with inputs of low molecular weight carbon compounds to soil. Soil Biol. Biochem. 42, 896–903 (2010).
Google Scholar
de Graaff, M. A., Jastrow, J. D., Gillette, S., Johns, A. & Wullschleger, S. D. Differential priming of soil carbon driven by soil depth and root impacts on carbon availability. Soil Biol. Biochem. 69, 147–156 (2014).
Peay, K. G., Kennedy, P. G. & Brun, T. D. Fungal community ecology: a hybrid beast with a molecular master. BioScience 58, 799–810 (2008).
Gillabel, J., Cebrian, B., Six, J. & Merckx, R. Experimental evidence for the attenuating effect of SOM protection on temperature sensitivity of SOM decomposition. Glob. Chang. Biol. 16, 2789–2798 (2010).
Pries, C. E. H., Castanha, C., Porras, R. C. & Torn, M. S. The whole-soil carbon flux in response to warming. Science 355, 1420–1423 (2017).
Hicks Pries, C. E., Schuur, E. A. G. & Crummer, K. G. Thawing permafrost increases old soil and autotrophic respiration in tundra: partitioning ecosystem respiration using δ13C and ∆14C. Global Chang. Biol. 19, 649–661 (2013).
Tian, J. et al. Aerobic environments in combination with substrate additions to soil significantly reshape depth-dependent microbial distribution patterns in Zoige peatlands, China. Appl.Soil Ecol. 170, 104252 (2022).
Feng, W. et al. Enhanced decomposition of stable soil organic carbon and microbial catabolic potentials by long-term field warming. Glob. Chang. Biol. 00, 1–12 (2017).
Feng, W. et al. Methodological uncertainty in estimating carbon turnover times of soil fractions. Soil Biol. Biochem. 100, 118–124 (2016).
Google Scholar
Liang, J. et al. Methods for estimating temperature sensitivity of soil organic matter based on incubation data: A comparative evaluation. Soil Biol. Biochem. 80, 127–135 (2015).
Google Scholar
Cai, A., Feng, W., Zhang, W. & Xu, M. Climate, soil texture, and soil types affect the contributions of fine-fraction-stabilized carbon to total soil organic carbon in different land uses across China. J. Environ. Manag. 172, 2–9 (2016).
Google Scholar
Liu, L. et al. Response of anaerobic mineralization of different depths peat carbon to warming on Zoige plateau. Geoderma 337, 1218–1226 (2019).
Google Scholar
Waldrop, M. et al. Molecular investigations into a globally important carbon pool: permafrost protected carbon in Alaskan soils. Glob. Chang. Biol. 16, 2543–2554 (2014).
Mooshammer, M., Wanek, W., Zechmeister-Boltenstern, S. & Richter, A. Stoichiometric imbalances between terrestrial decomposer communities and their resources: mechanisms and implications of microbial adaptations to their resources. Front. Microbiol. 5, 22 (2014).
Blagodatskaya, E. & Kuzyakov, Y. Mechanisms of real and apparent priming effects and their dependence on soil microbial biomass and community structure: critical review. Biol. Fertil. Soils 45, 115–131 (2008).
Chen, H. et al. The carbon stock of alpine peatlands on the Qinghai–Tibetan Plateau during the Holocene and their future fate. Quat. Sci. Rev. 95, 151–158 (2014).
Sun, G. A study on the mineral formation law, classifictation and reserves of the peat in the Rouergai Plateau. J. Nat. Res. 7, 334–345 (1992).
Liu, L. et al. Responses of peat carbon at different depths to simulated warming and oxidizing. Sci. Total Environ. 548-549, 429–440 (2016).
Google Scholar
Liu, L. et al. Water table drawdown reshapes soil physicochemical characteristics in Zoige peatlands. Catena 170, 119–128 (2018).
Google Scholar
Liu, L. et al. Carbon stock stability in drained peatland after simulated plant carbon addition: Strong dependence on deeper soil. Sci. Total Environ. 848, 157539 (2022).
Google Scholar
Yang, Z. et al. Soil properties and species composition under different grazing intensity in an alpine meadow on the eastern Tibetan Plateau, China. Environ. Monit. Assess 188, 678 (2016).
Simpson, M. J. & Simpson, A. J. The chemical ecology of soil organic matter molecular constituents. J. Chem. Ecol. 38, 768–784 (2012).
Google Scholar
Lalonde, K., Mucci, A., Ouellet, A. & Gelinas, Y. Preservation of organic matter in sediments promoted by iron. Nature 483, 198–200 (2012).
Google Scholar
Deforest, J. L., zak, D. R., Pregitzer, K. S. & Burtonf, A. J. Atomspheric nitrate deposition and enhanced dissolved organic carbon leaching: test of a potential mechanism. Soil Sci. Soc. Am. J. 69, 1233–1237 (2005).
Google Scholar
Schadel, C. et al. Circumpolar assessment of permafrost C quality and its vulnerability over time using long-term incubation data. Glob. Chang. Biol. 20, 641–652 (2014).
Bell, M. & Lawrence, D. Soil carbon sequestration – myths and mysteries. Department of Primary Industries and Fisheries, Queensland Government (2009).
Schadel, C., Luo, Y., David Evans, R., Fei, S. & Schaeffer, S. M. Separating soil CO2 efflux into C-pool-specific decay rates via inverse analysis of soil incubation data. Oecologia 171, 721–732 (2013).
Caporaso, J. G. et al. Global patterns of 16S rRNA diversity at a depth of millions of sequences per sample. Proc. Natl Acad. Sci. USA 108, 4516–4522 (2011).
Google Scholar
Gardes, M. & Bruns, T. D. ITS primers with enhanced specificity for basidiomycetes – application to the identification of mycorrhizae and rusts. Mol. Ecol. 2, 113–118 (1993).
Google Scholar
White, T. J. in PCR-Protocols: A Guide to Methods and Applications (Academic Press, 1990).
Bell, C. et al. High-throughput fluorometric measurement of potential soil extracellular enzyme activities. J. Vis. Exp. 81, e50961 (2013).
DeForest, J. L. The influence of time, storage temperature, and substrate age on potential soil enzyme activity in acidic forest soils using MUB-linked substrates and L-DOPA. Soil Biol. Biochem. 41, 1180–1186 (2009).
Google Scholar
Amundson, R. The carbon budget in soils. Annu. Rev. Earth Planet. Sci. 29, 535–562 (2001).
Google Scholar
Trumbore, S. E. Potential responses of soil organic carbon to global environmental change. Proc. Natl Acad. Sci. USA 94, 8284–8291 (1997).
Google Scholar
R Core Team. R: a language and environment for statistical computing. R Foundation for Statistical Computing. https://www.r-project.org (2017).
Oksanen, J. et al. vegan: community ecology package. R Packag version 24-1 (2016).
Asshauer, K. P., Wemheuer, B., Daniel, R. & Meinicke, P. Tax4Fun: predicting functional profiles from metagenomic 16S rRNA data. Bioinformatics 31, 2882–2884 (2015).
Google Scholar
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