Arctic soil methane sink increases with drier conditions and higher ecosystem respiration

Saunois, M. et al. The global methane budget 2000–2017. Earth Syst. Sci. Data 12, 1561–1623 (2020).

Article 

Google Scholar 

King, G. Responses of atmospheric methane consumption by soils to global climate change. Glob. Change Biol. 3, 351–362 (1997).

Article 

Google Scholar 

McGuire, A. D. et al. An assessment of the carbon balance of Arctic tundra: comparisons among observations, process models, and atmospheric inversions. Biogeosciences 9, 3185–3204 (2012).

Article 
CAS 

Google Scholar 

Kuhn, M. et al. BAWLD-CH₄: a comprehensive dataset of methane fluxes from boreal and arctic ecosystems. Earth Syst. Sci. Data 13, 5151–5189 (2021).

Article 

Google Scholar 

Parmentier, F.-J. W. et al. A synthesis of the arctic terrestrial and marine carbon cycles under pressure from a dwindling cryosphere. Ambio 46, 53–69 (2017).

Article 
CAS 

Google Scholar 

Bruhwiler, L., Parmentier, F. J. W., Crill, P., Leonard, M. & Palmer, P. I. The Arctic carbon cycle and its response to changing climate. Curr. Clim. Change Rep. 7, 14–34 (2021).

Article 

Google Scholar 

Oh, Y. et al. Reduced net methane emissions due to microbial methane oxidation in a warmer Arctic. Nat. Clim. Change 10, 317–321 (2020).

Article 
CAS 

Google Scholar 

Rößger, N., Sachs, T., Wille, C., Boike, J. & Kutzbach, L. Seasonal increase of methane emissions linked to warming in Siberian tundra. Nat. Clim. Change 12, 1031–1036 (2022).

Article 

Google Scholar 

Knox, S. H. et al. FLUXNET-CH₄ synthesis activity: objectives, observations, and future directions. Bull. Am. Meteorol. Soc. 100, 2607–2632 (2019).

Article 

Google Scholar 

Peltola, O. et al. Monthly gridded data product of northern wetland methane emissions based on upscaling eddy covariance observations. Earth Syst. Sci. Data 11, 1263–1289 (2019).

Article 

Google Scholar 

Treat, C. C., Bloom, A. A. & Marushchak, M. E. Nongrowing season methane emissions—a significant component of annual emissions across northern ecosystems. Glob. Change Biol. 24, 3331–3343 (2018).

Article 

Google Scholar 

Hermesdorf, L. et al. Effects of fire on CO₂, CH₄, and N₂O exchange in a well-drained Arctic heath ecosystem. Glob. Change Biol. 28, 4882–4899 (2022).

Article 

Google Scholar 

Emmerton, C. A. et al. The net exchange of methane with high Arctic landscapes during the summer growing season. Biogeosciences 11, 3095–3106 (2014).

Article 

Google Scholar 

Flessa, H. et al. Landscape controls of CH₄ fluxes in a catchment of the forest tundra ecotone in northern Siberia. Glob. Change Biol. 14, 2040–2056 (2008).

Article 

Google Scholar 

Juncher Jørgensen, C., Lund Johansen, K. M., Westergaard-Nielsen, A. & Elberling, B. Net regional methane sink in High Arctic soils of northeast Greenland. Nat. Geosci. 8, 20–23 (2015).

Article 

Google Scholar 

Juutinen, S. et al. Variation in CO₂ and CH₄ fluxes among land cover types in heterogeneous Arctic tundra in northeastern Siberia. Biogeosciences 19, 3151–3167 (2022).

Article 
CAS 

Google Scholar 

Lau, M. C. et al. An active atmospheric methane sink in high Arctic mineral cryosols. ISME J. 9, 1880–1891 (2015).

Article 
CAS 

Google Scholar 

Voigt, C. et al. Warming of subarctic tundra increases emissions of all three important greenhouse gases—carbon dioxide, methane, and nitrous oxide. Glob. Change Biol. 23, 3121–3138 (2017).

Article 

Google Scholar 

Whalen, S. C. & Reeburgh, W. S. Consumption of atmospheric methane by tundra soils. Nature 346, 160–162 (1990).

Article 
CAS 

Google Scholar 

Bartlett, K. B. & Harriss, R. C. Review and assessment of methane emissions from wetlands. Chemosphere 26, 261–320 (1993).

Article 
CAS 

Google Scholar 

Raynolds, M. K. et al. A raster version of the Circumpolar Arctic Vegetation Map (CAVM). Remote Sens. Environ. 232, 111297 (2019).

Article 

Google Scholar 

Olefeldt, D. et al. The Boreal–Arctic Wetland and Lake Dataset (BAWLD). Earth Syst. Sci. Data 13, 5127–5149 (2021).

Article 

Google Scholar 

Le Mer, J. & Roger, P. Production, oxidation, emission and consumption of methane by soils: a review. Eur. J. Soil Biol. 37, 25–50 (2001).

Article 

Google Scholar 

Hanson, R. S. & Hanson, T. E. Methanotrophic bacteria. Microbiol Rev. 60, 439–471 (1996).

Article 
CAS 

Google Scholar 

D’Imperio, L., Nielsen, C. S., Westergaard‐Nielsen, A., Michelsen, A. & Elberling, B. Methane oxidation in contrasting soil types: responses to experimental warming with implication for landscape‐integrated CH₄ budget. Glob. Change Biol. 23, 966–976 (2017).

Article 

Google Scholar 

Smith, K. A. et al. Oxidation of atmospheric methane in Northern European soils, comparison with other ecosystems, and uncertainties in the global terrestrial sink. Glob. Change Biol. 6, 791–803 (2000).

Article 

Google Scholar 

Ball, B. C. et al. The influence of soil gas transport properties on methane oxidation in a selection of northern European soils. J. Geophys. Res. 102, 23309–23317 (1997).

Article 
CAS 

Google Scholar 

Pihlatie, M. K. et al. Comparison of static chambers to measure CH₄ emissions from soils. Agric. For. Meteorol. 171–172, 124–136 (2013).

Article 

Google Scholar 

Christiansen, J. R., Outhwaite, J. & Smukler, S. M. Comparison of CO₂, CH₄ and N₂O soil–atmosphere exchange measured in static chambers with cavity ring-down spectroscopy and gas chromatography. Agric. For. Meteorol. 211, 48–57 (2015).

Article 

Google Scholar 

Järveoja, J., Nilsson, M. B., Crill, P. M. & Peichl, M. Bimodal diel pattern in peatland ecosystem respiration rebuts uniform temperature response. Nat. Commun. 11, 4255 (2020).

Article 

Google Scholar 

Kuzyakov, Y. & Cheng, W. Photosynthesis controls of rhizosphere respiration and organic matter decomposition. Soil Biol. Biochem. 33, 1915–1925 (2001).

Article 
CAS 

Google Scholar 

Lloyd, J. & Taylor, J. A. On the temperature dependence of soil respiration. Funct. Ecol. 8, 315–323 (1994).

Article 

Google Scholar 

Chadburn, S. E. et al. Modeled microbial dynamics explain the apparent temperature sensitivity of wetland methane emissions. Glob. Biogeochem. Cycles 34, e2020GB006678 (2020).

Article 
CAS 

Google Scholar 

Mahecha, M. D. et al. Global convergence in the temperature sensitivity of respiration at ecosystem level. Science 329, 838–840 (2010).

Article 
CAS 

Google Scholar 

Maier, M., Cordes, M. & Osterholt, L. Soil respiration and CH₄ consumption covary on the plot scale. Geoderma 382, 114702 (2021).

Article 
CAS 

Google Scholar 

Subke, J.-A. et al. Rhizosphere activity and atmospheric methane concentrations drive variations of methane fluxes in a temperate forest soil. Soil Biol. Biochem. 116, 323–332 (2018).

Article 
CAS 

Google Scholar 

Lee, J. et al. Soil organic carbon is a key determinant of CH₄ sink in global forest soils. Nat. Commun. 14, 3110 (2023).

Article 
CAS 

Google Scholar 

Pausch, J. & Kuzyakov, Y. Carbon input by roots into the soil: quantification of rhizodeposition from root to ecosystem scale. Glob. Change Biol. 24, 1–12 (2018).

Article 

Google Scholar 

Henneron, L., Kardol, P., Wardle, D. A., Cros, C. & Fontaine, S. Rhizosphere control of soil nitrogen cycling: a key component of plant economic strategies. New Phytol. 228, 1269–1282 (2020).

Article 
CAS 

Google Scholar 

Wild, B. et al. Input of easily available organic C and N stimulates microbial decomposition of soil organic matter in arctic permafrost soil. Soil Biol. Biochem. 75, 143–151 (2014).

Article 
CAS 

Google Scholar 

Wild, B., Li, J., Pihlblad, J., Bengtson, P. & Rütting, T. Decoupling of priming and microbial N mining during a short-term soil incubation. Soil Biol. Biochem. 129, 71–79 (2019).

Article 
CAS 

Google Scholar 

Greening, C. & Grinter, R. Microbial oxidation of atmospheric trace gases. Nat. Rev. Microbiol. 20, 513–528 (2022).

Article 
CAS 

Google Scholar 

Tveit, A. T. et al. Widespread soil bacterium that oxidizes atmospheric methane. Proc. Natl Acad. Sci. USA 116, 8515–8524 (2019).

Article 
CAS 

Google Scholar 

Bodelier, P. L. E. & Laanbroek, H. J. Nitrogen as a regulatory factor of methane oxidation in soils and sediments. FEMS Microbiol. Ecol. 47, 265–277 (2004).

Article 
CAS 

Google Scholar 

Gwak, J.-H. et al. Sulfur and methane oxidation by a single microorganism. Proc. Natl Acad. Sci. USA 119, e2114799119 (2022).

Article 
CAS 

Google Scholar 

Oh, Y. et al. A scalable model for methane consumption in arctic mineral soils. Geophys. Res. Lett. 43, 5143–5150 (2016).

Article 
CAS 

Google Scholar 

Bay, S. K. et al. Trace gas oxidizers are widespread and active members of soil microbial communities. Nat. Microbiol. 6, 246–256 (2021).

Article 
CAS 

Google Scholar 

Veraart, A. J., Steenbergh, A. K., Ho, A., Kim, S. Y. & Bodelier, P. L. E. Beyond nitrogen: the importance of phosphorus for CH₄ oxidation in soils and sediments. Geoderma 259, 337–346 (2015).

Article 

Google Scholar 

Kuypers, M. M. M., Marchant, H. K. & Kartal, B. The microbial nitrogen-cycling network. Nat. Rev. Microbiol. 16, 263–276 (2018).

Article 
CAS 

Google Scholar 

Stark, S. et al. Decreased soil microbial nitrogen under vegetation ‘shrubification’ in the subarctic forest–tundra ecotone: the potential role of increasing nutrient competition between plants and soil microorganisms. Ecosystems https://doi.org/10.1007/s10021-023-00847-z (2023).

Daebeler, A. et al. Interactions between thaumarchaea, nitrospira and methanotrophs modulate autotrophic nitrification in volcanic grassland soil. ISME J. 8, 2397–2410 (2014).

Article 
CAS 

Google Scholar 

Knief, C., Lipski, A. & Dunfield, P. F. Diversity and activity of methanotrophic bacteria in different upland soils. Appl. Environ. Microbiol. 69, 6703–6714 (2003).

Article 
CAS 

Google Scholar 

Chen, W. et al. Diel and seasonal dynamics of ecosystem‐scale methane flux and their determinants in an alpine meadow. J. Geophys. Res. Biogeosci. 124, 1731–1745 (2019).

Article 
CAS 

Google Scholar 

Rantanen, M. et al. The Arctic has warmed nearly four times faster than the globe since 1979. Commun. Earth Environ. 3, 168 (2022).

Webb, E. E. et al. Permafrost thaw drives surface water decline across lake-rich regions of the Arctic. Nat. Clim. Change 12, 841–846 (2022).

Article 
CAS 

Google Scholar 

Liljedahl, A. K. et al. Pan-Arctic ice-wedge degradation in warming permafrost and its influence on tundra hydrology. Nat. Geosci. 9, 312–319 (2016).

Article 
CAS 

Google Scholar 

Myers-Smith, I. H. et al. Shrub expansion in tundra ecosystems: dynamics, impacts and research priorities. Environ. Res. Lett. 6, 45509 (2011).

Article 

Google Scholar 

Miner, K. R. et al. Permafrost carbon emissions in a changing Arctic. Nat. Rev. Earth Environ. 3, 55–67 (2022).

Article 

Google Scholar 

Lai, D. Y. F., Roulet, N. T., Humphreys, E. R., Moore, T. R. & Dalva, M. The effect of atmospheric turbulence and chamber deployment period on autochamber CO₂ and CH₄ flux measurements in an ombrotrophic peatland. Biogeosciences 9, 3305–3322 (2012).

Article 
CAS 

Google Scholar 

Gaumont‐Guay, D. et al. Soil CO₂ efflux in contrasting boreal deciduous and coniferous stands and its contribution to the ecosystem carbon balance. Glob. Change Biol. 15, 1302–1319 (2009).

Article 

Google Scholar 

Järveoja, J., Nilsson, M. B., Gažovič, M., Crill, P. M. & Peichl, M. Partitioning of the net CO₂ exchange using an automated chamber system reveals plant phenology as key control of production and respiration fluxes in a boreal peatland. Glob. Change Biol. 24, 3436–3451 (2018).

Article 

Google Scholar 

Eckhardt, T. et al. Partitioning net ecosystem exchange of CO₂ on the pedon scale in the Lena River Delta, Siberia. Biogeosciences 16, 1543–1562 (2019).

Article 
CAS 

Google Scholar 

Patrignani, A. & Ochsner, T. E. Canopeo: a powerful new tool for measuring fractional green canopy cover. Agron. J. 107, 2312–2320 (2015).

Article 
CAS 

Google Scholar 

Okruszko, H. in Organic Soils and Peat Materials for Sustainable Agriculture (eds Léon-Etienne, P. & Ilnicki, P.) 47–54 (CRC, 2003).

Walthert, L. et al. Determination of organic and inorganic carbon, δ¹³C, and nitrogen in soils containing carbonates after acid fumigation with HCl. J. Plant Nutr. Soil Sci. 173, 207–216 (2010).

Article 
CAS 

Google Scholar 

Marushchak, M. E. et al. Thawing Yedoma permafrost is a neglected nitrous oxide source. Nat. Commun. 12, 7107 (2021).

Article 
CAS 

Google Scholar 

R Core Team R: A Language and Environment for Statistical Computing (The R Foundation for Statistical Computing, 2022).

Breiman, L. Random forests. Mach. Learn. 45, 5–32 (2001).

Article 

Google Scholar 

Liaw, A. & Wiener, M. Classification and regression by randomForest. R News 2, 18–22 (2002).

Google Scholar 

Tate, K. R. Soil methane oxidation and land-use change—from process to mitigation. Soil Biol. Biochem. 80, 260–272 (2015).

Article 
CAS 

Google Scholar 

Curry, C. L. The consumption of atmospheric methane by soil in a simulated future climate. Biogeosciences 6, 2355–2367 (2009).

Article 
CAS 

Google Scholar 

Knox, S. H. et al. Identifying dominant environmental predictors of freshwater wetland methane fluxes across diurnal to seasonal time scales. Glob. Change Biol. 27, 3582–3604 (2021).

Article 
CAS 

Google Scholar 

Ogle, D. H., Doll, J. C., Wheeler, P. & Dinno, A. FSA: Simple fisheries stock assessment methods. R package version 0.9.4 (2023).

Graves, S., Piepho, H.-P. & Selzer, L. multcompView: visualizations of paired comparisons. R package version 0.1-8 (2019).

Wickham, H. Reshaping data with the reshape package. J. Stat. Softw. 21, 1–20 (2007).

Article 

Google Scholar 

Voigt, C. et al. Atmospheric methane consumption by upland soils in the Western Canadian Arctic and Finnish Lapland (2018–2021). PANGAEA https://doi.org/10.1594/PANGAEA.953120 (2023).

Nesic, Z. Voigt2023_CH4_uptake (Version 1.0). GitHub https://github.com/znesic/Voigt2023_CH4_uptake (2023).

Voigt, C. & Kou, D. R-code for random forest models related to article ‘Arctic soil methane sink increases with drier conditions and higher ecosystem respiration’. Zenodo https://doi.org/10.5281/zenodo.8152386 (2023).