Articles | Volume 16, issue 18
https://doi.org/10.5194/bg-16-3605-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-16-3605-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
24 Sep 2019
Research article |
| 24 Sep 2019
| 24 Sep 2019
Past aridity's effect on carbon mineralization potentials in grassland soils
Zhenjiao Cao
State Key Laboratory of Vegetation and Environmental Change, Institute
of Botany, Chinese Academy of Sciences, Beijing 100093, China
College of Resources and Environment, University of Chinese Academy of
Sciences, Beijing 100049, China
Yufu Jia
State Key Laboratory of Vegetation and Environmental Change, Institute
of Botany, Chinese Academy of Sciences, Beijing 100093, China
Yue Cai
State Key Laboratory of Vegetation and Environmental Change, Institute
of Botany, Chinese Academy of Sciences, Beijing 100093, China
College of Resources and Environment, University of Chinese Academy of
Sciences, Beijing 100049, China
Xin Wang
State Key Laboratory of Vegetation and Environmental Change, Institute
of Botany, Chinese Academy of Sciences, Beijing 100093, China
College of Resources and Environment, University of Chinese Academy of
Sciences, Beijing 100049, China
Huifeng Hu
State Key Laboratory of Vegetation and Environmental Change, Institute
of Botany, Chinese Academy of Sciences, Beijing 100093, China
Jinbo Zhang
School of Geography, Nanjing Normal University, Nanjing
210023, China
Juan Jia
State Key Laboratory of Vegetation and Environmental Change, Institute
of Botany, Chinese Academy of Sciences, Beijing 100093, China
Xiaojuan Feng
CORRESPONDING AUTHOR
State Key Laboratory of Vegetation and Environmental Change, Institute
of Botany, Chinese Academy of Sciences, Beijing 100093, China
College of Resources and Environment, University of Chinese Academy of
Sciences, Beijing 100049, China
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Andrés Tangarife-Escobar, Georg Guggenberger, Xiaojuan Feng, Guohua Dai, Carolina Urbina-Malo, Mina Azizi-Rad, and Carlos A. Sierra
Biogeosciences, 21, 1277–1299, https://doi.org/10.5194/bg-21-1277-2024, https://doi.org/10.5194/bg-21-1277-2024, 2024
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Soil organic matter stability depends on future temperature and precipitation scenarios. We used radiocarbon (14C) data and model predictions to understand how the transit time of carbon varies under environmental change in grasslands and peatlands. Soil moisture affected the Δ14C of peatlands, while temperature did not have any influence. Our models show the correspondence between Δ14C and transit time and could allow understanding future interactions between terrestrial and atmospheric carbon
Xin Wang, Ting Liu, Liang Wang, Zongguang Liu, Erxiong Zhu, Simin Wang, Yue Cai, Shanshan Zhu, and Xiaojuan Feng
Biogeosciences, 18, 3015–3028, https://doi.org/10.5194/bg-18-3015-2021, https://doi.org/10.5194/bg-18-3015-2021, 2021
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We show a comprehensive monitoring dataset on the discharge and carbon transport in a small alpine river on the Qinghai–Tibetan Plateau, where riverine carbon increased downstream in the pre-monsoon season due to an increasing contribution of organic matter derived from seasonal permafrost thaw while it fluctuated in the monsoon season induced by sporadic precipitation. These results indicate a high sensitivity of riverine carbon in alpine headwater catchments to local hydrological events.
Yuqing Liu, Wenhong Ma, Dan Kou, Xiaxia Niu, Tian Wang, Yongliang Chen, Dima Chen, Xiaoqin Zhu, Mengying Zhao, Baihui Hao, Jinbo Zhang, Yuanhe Yang, and Huifeng Hu
Biogeosciences, 17, 2009–2019, https://doi.org/10.5194/bg-17-2009-2020, https://doi.org/10.5194/bg-17-2009-2020, 2020
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The microbial C : N ratio increased with aridity, while the microbial N : P ratio decreased with aridity, which implied that drought-stimulated microbes tend to be more N conservative. Among all examined ecological factors, substrate supply and microbial structure together controlled the microbial stoichiometry. Overall, these results illustrated N and P limitation in microbial biomass at deeper soil depths along the aridity gradient and limited responses to ecological factors in the subsoil.
Ting Liu, Liang Wang, Xiaojuan Feng, Jinbo Zhang, Tian Ma, Xin Wang, and Zongguang Liu
Biogeosciences, 15, 1627–1641, https://doi.org/10.5194/bg-15-1627-2018, https://doi.org/10.5194/bg-15-1627-2018, 2018
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Compared to the respiration process, few studies have examined soil carbon leaching possibly enhanced by extreme precipitation events (EPEs). We show that soil carbon leaching was much higher than CO2 loss through respiration under EPEs in grassland soils through incubation experiments. The soil carbon leaching process should be incorporated into soil carbon models when estimating carbon balance in grassland ecosystems, especially considering the projected increase in EPEs with climate change.
Chongjuan Chen, Yufu Jia, Yuzhen Chen, Imran Mehmood, Yunting Fang, and Guoan Wang
Biogeosciences, 15, 369–377, https://doi.org/10.5194/bg-15-369-2018, https://doi.org/10.5194/bg-15-369-2018, 2018
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The south slope of Tian Shan differs from the north slope in environment. The study showed that leaf δ15N, soil δ15N and △δ15Nleaf-soil on the south slope were greater than those on the north slope. The significant influential factors of leaf and soil δ15N on the south slope were different from those on the north slope. The results suggested that the south slope has higher soil N transformation rates than the north slope and relationships between leaf and soil δ15N and environment are localized.
Shangshi Liu, Yuanhe Yang, Haihua Shen, Huifeng Hu, Xia Zhao, He Li, Taoyu Liu, and Jingyun Fang
Biogeosciences Discuss., https://doi.org/10.5194/bg-2016-473, https://doi.org/10.5194/bg-2016-473, 2017
Preprint retracted
Yufu Jia, Guoan Wang, Qiqi Tan, and Zixun Chen
Biogeosciences, 13, 5057–5064, https://doi.org/10.5194/bg-13-5057-2016, https://doi.org/10.5194/bg-13-5057-2016, 2016
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Soil organic carbon can be used for climate reconstruction and carbon cycle study. This work assessed the effect of temperature on surface soil δ13C by an investigation from 27 sites across a temperature gradient along an isohyet. This study shows that soil type and vegetation type had influences on soil δ13C, while temperature was not related to soil δ13C. This suggests that organic carbon isotopes in sediments cannot be used for the paleotemperature reconstruction.
Tessa Sophia van der Voort, Frank Hagedorn, Cameron McIntyre, Claudia Zell, Lorenz Walthert, Patrick Schleppi, Xiaojuan Feng, and Timothy Ian Eglinton
Biogeosciences, 13, 3427–3439, https://doi.org/10.5194/bg-13-3427-2016, https://doi.org/10.5194/bg-13-3427-2016, 2016
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This study explores heterogeneity in 14C content of soil organic matter (SOM) at different spatial scales and across climatic and geologic gradients, which is essential for a better understanding of SOM stability. Results reveal that despite dissimilar environmental conditions, 14C contents in topsoils is relatively uniform and 14C trends with depth are similar. Plot-scale variability is significant. Statistical analysis found a significant correlation of 14C contents (0–5 cm) and temperature.
P. Li, J. Zhu, H. Hu, Z. Guo, Y. Pan, R. Birdsey, and J. Fang
Biogeosciences, 13, 375–388, https://doi.org/10.5194/bg-13-375-2016, https://doi.org/10.5194/bg-13-375-2016, 2016
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Our findings suggest that the mechanisms underlying the carbon sinks for natural and planted forests of China differ markedly with various effects from areal expansion and increase in carbon density. The increasing trend in the relative contribution of forest growth to carbon sinks for planted forests highlights that afforestation will continue to increase the carbon sink of China's forests in the future, subject to persistently increasing forest growth after the establishment of plantations.
X. Feng, Ö. Gustafsson, R. M. Holmes, J. E. Vonk, B. E. van Dongen, I. P. Semiletov, O. V. Dudarev, M. B. Yunker, R. W. Macdonald, D. B. Montluçon, and T. I. Eglinton
Biogeosciences, 12, 4841–4860, https://doi.org/10.5194/bg-12-4841-2015, https://doi.org/10.5194/bg-12-4841-2015, 2015
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Currently very few studies have examined the distribution and fate of hydrolyzable organic carbon (OC) in Arctic sediments, whose fate remains unclear in the context of climate change. Our study focuses on the source, distribution and fate of hydrolyzable OC as compared with plant wax lipids and lignin phenols in the sedimentary particles of nine Arctic and sub-Arctic rivers. This multi-molecular approach allows for a comprehensive investigation of terrestrial OC transfer via Arctic rivers.
Z. D. Guo, H. F. Hu, Y. D. Pan, R. A. Birdsey, and J. Y. Fang
Biogeosciences, 11, 4115–4122, https://doi.org/10.5194/bg-11-4115-2014, https://doi.org/10.5194/bg-11-4115-2014, 2014
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Biogeosciences, 20, 3873–3894, https://doi.org/10.5194/bg-20-3873-2023, https://doi.org/10.5194/bg-20-3873-2023, 2023
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We collated a large data set (15790 soil cores) on soil carbon stock in different land uses. Soil carbon stocks were highest in woodlands and lowest in croplands. The variability in the effects were large. This has important implications for agri-environment schemes, seeking to sequester carbon in the soil by altering land use, because the effect of a given intervention is very hard to verify.
Shane W. Stoner, Marion Schrumpf, Alison Hoyt, Carlos A. Sierra, Sebastian Doetterl, Valier Galy, and Susan Trumbore
Biogeosciences, 20, 3151–3163, https://doi.org/10.5194/bg-20-3151-2023, https://doi.org/10.5194/bg-20-3151-2023, 2023
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Soils store more carbon (C) than any other terrestrial C reservoir, but the processes that control how much C stays in soil, and for how long, are very complex. Here, we used a recent method that involves heating soil in the lab to measure the range of C ages in soil. We found that most C in soil is decades to centuries old, while some stays for much shorter times (days to months), and some is thousands of years old. Such detail helps us to estimate how soil C may react to changing climate.
Adetunji Alex Adekanmbi, Laurence Dale, Liz Shaw, and Tom Sizmur
Biogeosciences, 20, 2207–2219, https://doi.org/10.5194/bg-20-2207-2023, https://doi.org/10.5194/bg-20-2207-2023, 2023
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The decomposition of soil organic matter and flux of carbon dioxide are expected to increase as temperatures rise. However, soil organic matter decomposition is a two-step process whereby large molecules are first broken down outside microbial cells and then respired within microbial cells. We show here that these two steps are not equally sensitive to increases in soil temperature and that global warming may cause a shift in the rate-limiting step from outside to inside the microbial cell.
Mercedes Román Dobarco, Alexandre M. J-C. Wadoux, Brendan Malone, Budiman Minasny, Alex B. McBratney, and Ross Searle
Biogeosciences, 20, 1559–1586, https://doi.org/10.5194/bg-20-1559-2023, https://doi.org/10.5194/bg-20-1559-2023, 2023
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Soil organic carbon (SOC) is of a heterogeneous nature and varies in chemistry, stabilisation mechanisms, and persistence in soil. In this study we mapped the stocks of SOC fractions with different characteristics and turnover rates (presumably PyOC >= MAOC > POC) across Australia, combining spectroscopy and digital soil mapping. The SOC stocks (0–30 cm) were estimated as 13 Pg MAOC, 2 Pg POC, and 5 Pg PyOC.
Frederick Büks
Biogeosciences, 20, 1529–1535, https://doi.org/10.5194/bg-20-1529-2023, https://doi.org/10.5194/bg-20-1529-2023, 2023
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Ultrasonication with density fractionation of soils is a commonly used method to separate soil organic matter pools, which is, e.g., important to calculate carbon turnover in landscapes. It is shown that the approach that merges soil and dense solution without mixing has a low recovery rate and causes co-extraction of parts of the retained labile pool along with the intermediate pool. An alternative method with high recovery rates and no cross-contamination was recommended.
Tino Peplau, Christopher Poeplau, Edward Gregorich, and Julia Schroeder
Biogeosciences, 20, 1063–1074, https://doi.org/10.5194/bg-20-1063-2023, https://doi.org/10.5194/bg-20-1063-2023, 2023
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We buried tea bags and temperature loggers in a paired-plot design in soils under forest and agricultural land and retrieved them after 2 years to quantify the effect of land-use change on soil temperature and litter decomposition in subarctic agricultural systems. We could show that agricultural soils were on average 2 °C warmer than forests and that litter decomposition was enhanced. The results imply that deforestation amplifies effects of climate change on soil organic matter dynamics.
Joseph Okello, Marijn Bauters, Hans Verbeeck, Samuel Bodé, John Kasenene, Astrid Françoys, Till Engelhardt, Klaus Butterbach-Bahl, Ralf Kiese, and Pascal Boeckx
Biogeosciences, 20, 719–735, https://doi.org/10.5194/bg-20-719-2023, https://doi.org/10.5194/bg-20-719-2023, 2023
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The increase in global and regional temperatures has the potential to drive accelerated soil organic carbon losses in tropical forests. We simulated climate warming by translocating intact soil cores from higher to lower elevations. The results revealed increasing temperature sensitivity and decreasing losses of soil organic carbon with increasing elevation. Our results suggest that climate warming may trigger enhanced losses of soil organic carbon from tropical montane forests.
Johanna Pihlblad, Louise C. Andresen, Catriona A. Macdonald, David S. Ellsworth, and Yolima Carrillo
Biogeosciences, 20, 505–521, https://doi.org/10.5194/bg-20-505-2023, https://doi.org/10.5194/bg-20-505-2023, 2023
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Elevated CO2 in the atmosphere increases forest biomass productivity when growth is not limited by soil nutrients. This study explores how mature trees stimulate soil availability of nitrogen and phosphorus with free-air carbon dioxide enrichment after 5 years of fumigation. We found that both nutrient availability and processes feeding available pools increased in the rhizosphere, and phosphorus increased at depth. This appears to not be by decomposition but by faster recycling of nutrients.
Rodrigo Vargas and Van Huong Le
Biogeosciences, 20, 15–26, https://doi.org/10.5194/bg-20-15-2023, https://doi.org/10.5194/bg-20-15-2023, 2023
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Quantifying the role of soils in nature-based solutions requires accurate estimates of soil greenhouse gas (GHG) fluxes. We suggest that multiple GHG fluxes should not be simultaneously measured at a few fixed time intervals, but an optimized sampling approach can reduce bias and uncertainty. Our results have implications for assessing GHG fluxes from soils and a better understanding of the role of soils in nature-based solutions.
Kristine Karstens, Benjamin Leon Bodirsky, Jan Philipp Dietrich, Marta Dondini, Jens Heinke, Matthias Kuhnert, Christoph Müller, Susanne Rolinski, Pete Smith, Isabelle Weindl, Hermann Lotze-Campen, and Alexander Popp
Biogeosciences, 19, 5125–5149, https://doi.org/10.5194/bg-19-5125-2022, https://doi.org/10.5194/bg-19-5125-2022, 2022
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Soil organic carbon (SOC) has been depleted by anthropogenic land cover change and agricultural management. While SOC models often simulate detailed biochemical processes, the management decisions are still little investigated at the global scale. We estimate that soils have lost around 26 GtC relative to a counterfactual natural state in 1975. Yet, since 1975, SOC has been increasing again by 4 GtC due to a higher productivity, recycling of crop residues and manure, and no-tillage practices.
Petri Kiuru, Marjo Palviainen, Arianna Marchionne, Tiia Grönholm, Maarit Raivonen, Lukas Kohl, and Annamari Laurén
Biogeosciences, 19, 5041–5058, https://doi.org/10.5194/bg-19-5041-2022, https://doi.org/10.5194/bg-19-5041-2022, 2022
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Peatlands are large carbon stocks. Emissions of carbon dioxide and methane from peatlands may increase due to changes in management and climate. We studied the variation in the gas diffusivity of peat with depth using pore network simulations and laboratory experiments. Gas diffusivity was found to be lower in deeper peat with smaller pores and lower pore connectivity. However, gas diffusivity was not extremely low in wet conditions, which may reflect the distinctive structure of peat.
Rachael Akinyede, Martin Taubert, Marion Schrumpf, Susan Trumbore, and Kirsten Küsel
Biogeosciences, 19, 4011–4028, https://doi.org/10.5194/bg-19-4011-2022, https://doi.org/10.5194/bg-19-4011-2022, 2022
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Soils will likely become warmer in the future, and this can increase the release of carbon dioxide (CO2) into the atmosphere. As microbes can take up soil CO2 and prevent further escape into the atmosphere, this study compares the rate of uptake and release of CO2 at two different temperatures. With warming, the rate of CO2 uptake increases less than the rate of release, indicating that the capacity to modulate soil CO2 release into the atmosphere will decrease under future warming.
Giuseppe Cipolla, Salvatore Calabrese, Amilcare Porporato, and Leonardo V. Noto
Biogeosciences, 19, 3877–3896, https://doi.org/10.5194/bg-19-3877-2022, https://doi.org/10.5194/bg-19-3877-2022, 2022
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Enhanced weathering (EW) is a promising strategy for carbon sequestration. Since models may help to characterize field EW, the present work applies a hydro-biogeochemical model to four case studies characterized by different rainfall seasonality, vegetation and soil type. Rainfall seasonality strongly affects EW dynamics, but low carbon sequestration suggests that an in-depth analysis at the global scale is required to see if EW may be effective to mitigate climate change.
Vao Fenotiana Razanamahandry, Marjolein Dewaele, Gerard Govers, Liesa Brosens, Benjamin Campforts, Liesbet Jacobs, Tantely Razafimbelo, Tovonarivo Rafolisy, and Steven Bouillon
Biogeosciences, 19, 3825–3841, https://doi.org/10.5194/bg-19-3825-2022, https://doi.org/10.5194/bg-19-3825-2022, 2022
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In order to shed light on possible past vegetation shifts in the Central Highlands of Madagascar, we measured stable isotope ratios of organic carbon in soil profiles along both forested and grassland hillslope transects in the Lake Alaotra region. Our results show that the landscape of this region was more forested in the past: soils in the C4-dominated grasslands contained a substantial fraction of C3-derived carbon, increasing with depth.
Katherine E. O. Todd-Brown, Rose Z. Abramoff, Jeffrey Beem-Miller, Hava K. Blair, Stevan Earl, Kristen J. Frederick, Daniel R. Fuka, Mario Guevara Santamaria, Jennifer W. Harden, Katherine Heckman, Lillian J. Heran, James R. Holmquist, Alison M. Hoyt, David H. Klinges, David S. LeBauer, Avni Malhotra, Shelby C. McClelland, Lucas E. Nave, Katherine S. Rocci, Sean M. Schaeffer, Shane Stoner, Natasja van Gestel, Sophie F. von Fromm, and Marisa L. Younger
Biogeosciences, 19, 3505–3522, https://doi.org/10.5194/bg-19-3505-2022, https://doi.org/10.5194/bg-19-3505-2022, 2022
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Research data are becoming increasingly available online with tantalizing possibilities for reanalysis. However harmonizing data from different sources remains challenging. Using the soils community as an example, we walked through the various strategies that researchers currently use to integrate datasets for reanalysis. We find that manual data transcription is still extremely common and that there is a critical need for community-supported informatics tools like vocabularies and ontologies.
Alessandro Montemagno, Christophe Hissler, Victor Bense, Adriaan J. Teuling, Johanna Ziebel, and Laurent Pfister
Biogeosciences, 19, 3111–3129, https://doi.org/10.5194/bg-19-3111-2022, https://doi.org/10.5194/bg-19-3111-2022, 2022
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We investigated the biogeochemical processes that dominate the release and retention of elements (nutrients and potentially toxic elements) during litter degradation. Our results show that toxic elements are retained in the litter, while nutrients are released in solution during the first stages of degradation. This seems linked to the capability of trees to distribute the elements between degradation-resistant and non-degradation-resistant compounds of leaves according to their chemical nature.
Laura Sereni, Bertrand Guenet, Charlotte Blasi, Olivier Crouzet, Jean-Christophe Lata, and Isabelle Lamy
Biogeosciences, 19, 2953–2968, https://doi.org/10.5194/bg-19-2953-2022, https://doi.org/10.5194/bg-19-2953-2022, 2022
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This study focused on the modellisation of two important drivers of soil greenhouse gas emissions: soil contamination and soil moisture change. The aim was to include a Cu function in the soil biogeochemical model DNDC for different soil moisture conditions and then to estimate variation in N2O, NO2 or NOx emissions. Our results show a larger effect of Cu on N2 and N2O emissions than on the other nitrogen species and a higher effect for the soils incubated under constant constant moisture.
Marie Spohn and Johan Stendahl
Biogeosciences, 19, 2171–2186, https://doi.org/10.5194/bg-19-2171-2022, https://doi.org/10.5194/bg-19-2171-2022, 2022
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We explored the ratios of carbon (C), nitrogen (N), and phosphorus (P) of organic matter in Swedish forest soils. The N : P ratio of the organic layer was most strongly related to the mean annual temperature, while the C : N ratios of the organic layer and mineral soil were strongly related to tree species even in the subsoil. The organic P concentration in the mineral soil was strongly affected by soil texture, which diminished the effect of tree species on the C to organic P (C : OP) ratio.
Moritz Mainka, Laura Summerauer, Daniel Wasner, Gina Garland, Marco Griepentrog, Asmeret Asefaw Berhe, and Sebastian Doetterl
Biogeosciences, 19, 1675–1689, https://doi.org/10.5194/bg-19-1675-2022, https://doi.org/10.5194/bg-19-1675-2022, 2022
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The largest share of terrestrial carbon is stored in soils, making them highly relevant as regards global change. Yet, the mechanisms governing soil carbon stabilization are not well understood. The present study contributes to a better understanding of these processes. We show that qualitative changes in soil organic matter (SOM) co-vary with alterations of the soil matrix following soil weathering. Hence, the type of SOM that is stabilized in soils might change as soils develop.
Jasmin Fetzer, Emmanuel Frossard, Klaus Kaiser, and Frank Hagedorn
Biogeosciences, 19, 1527–1546, https://doi.org/10.5194/bg-19-1527-2022, https://doi.org/10.5194/bg-19-1527-2022, 2022
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As leaching is a major pathway of nitrogen and phosphorus loss in forest soils, we investigated several potential drivers in two contrasting beech forests. The composition of leachates, obtained by zero-tension lysimeters, varied by season, and climatic extremes influenced the magnitude of leaching. Effects of nitrogen and phosphorus fertilization varied with soil nutrient status and sorption properties, and leaching from the low-nutrient soil was more sensitive to environmental factors.
Karis J. McFarlane, Heather M. Throckmorton, Jeffrey M. Heikoop, Brent D. Newman, Alexandra L. Hedgpeth, Marisa N. Repasch, Thomas P. Guilderson, and Cathy J. Wilson
Biogeosciences, 19, 1211–1223, https://doi.org/10.5194/bg-19-1211-2022, https://doi.org/10.5194/bg-19-1211-2022, 2022
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Planetary warming is increasing seasonal thaw of permafrost, making this extensive old carbon stock vulnerable. In northern Alaska, we found more and older dissolved organic carbon in small drainages later in summer as more permafrost was exposed by deepening thaw. Younger and older carbon did not differ in chemical indicators related to biological lability suggesting this carbon can cycle through aquatic systems and contribute to greenhouse gas emissions as warming increases permafrost thaw.
Pengzhi Zhao, Daniel Joseph Fallu, Sara Cucchiaro, Paolo Tarolli, Clive Waddington, David Cockcroft, Lisa Snape, Andreas Lang, Sebastian Doetterl, Antony G. Brown, and Kristof Van Oost
Biogeosciences, 18, 6301–6312, https://doi.org/10.5194/bg-18-6301-2021, https://doi.org/10.5194/bg-18-6301-2021, 2021
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We investigate the factors controlling the soil organic carbon (SOC) stability and temperature sensitivity of abandoned prehistoric agricultural terrace soils. Results suggest that the burial of former topsoil due to terracing provided an SOC stabilization mechanism. Both the soil C : N ratio and SOC mineral protection regulate soil SOC temperature sensitivity. However, which mechanism predominantly controls SOC temperature sensitivity depends on the age of the buried terrace soils.
Heleen Deroo, Masuda Akter, Samuel Bodé, Orly Mendoza, Haichao Li, Pascal Boeckx, and Steven Sleutel
Biogeosciences, 18, 5035–5051, https://doi.org/10.5194/bg-18-5035-2021, https://doi.org/10.5194/bg-18-5035-2021, 2021
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We assessed if and how incorporation of exogenous organic carbon (OC) such as straw could affect decomposition of native soil organic carbon (SOC) under different irrigation regimes. Addition of exogenous OC promoted dissolution of native SOC, partly because of increased Fe reduction, leading to more net release of Fe-bound SOC. Yet, there was no proportionate priming of SOC-derived DOC mineralisation. Water-saving irrigation can retard both priming of SOC dissolution and mineralisation.
Frances A. Podrebarac, Sharon A. Billings, Kate A. Edwards, Jérôme Laganière, Matthew J. Norwood, and Susan E. Ziegler
Biogeosciences, 18, 4755–4772, https://doi.org/10.5194/bg-18-4755-2021, https://doi.org/10.5194/bg-18-4755-2021, 2021
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Soil respiration is a large and temperature-responsive flux in the global carbon cycle. We found increases in microbial use of easy to degrade substrates enhanced the temperature response of respiration in soils layered as they are in situ. This enhanced response is consistent with soil composition differences in warm relative to cold climate forests. These results highlight the importance of the intact nature of soils rarely studied in regulating responses of CO2 fluxes to changing temperature.
Elisa Bruni, Bertrand Guenet, Yuanyuan Huang, Hugues Clivot, Iñigo Virto, Roberta Farina, Thomas Kätterer, Philippe Ciais, Manuel Martin, and Claire Chenu
Biogeosciences, 18, 3981–4004, https://doi.org/10.5194/bg-18-3981-2021, https://doi.org/10.5194/bg-18-3981-2021, 2021
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Increasing soil organic carbon (SOC) stocks is beneficial for climate change mitigation and food security. One way to enhance SOC stocks is to increase carbon input to the soil. We estimate the amount of carbon input required to reach a 4 % annual increase in SOC stocks in 14 long-term agricultural experiments around Europe. We found that annual carbon input should increase by 43 % under current temperature conditions, by 54 % for a 1 °C warming scenario and by 120 % for a 5 °C warming scenario.
Rainer Brumme, Bernd Ahrends, Joachim Block, Christoph Schulz, Henning Meesenburg, Uwe Klinck, Markus Wagner, and Partap K. Khanna
Biogeosciences, 18, 3763–3779, https://doi.org/10.5194/bg-18-3763-2021, https://doi.org/10.5194/bg-18-3763-2021, 2021
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In order to study the fate of litter nitrogen in forest soils, we combined a leaf litterfall exchange experiment using 15N-labeled leaf litter with long-term element budgets at seven European beech sites in Germany. It appears that fructification intensity, which has increased in recent decades, has a distinct impact on N retention in forest soils. Despite reduced nitrogen deposition, about 6 and 10 kg ha−1 of nitrogen were retained annually in the soils and in the forest stands, respectively.
Lorenz Gfeller, Andrea Weber, Isabelle Worms, Vera I. Slaveykova, and Adrien Mestrot
Biogeosciences, 18, 3445–3465, https://doi.org/10.5194/bg-18-3445-2021, https://doi.org/10.5194/bg-18-3445-2021, 2021
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Our incubation experiment shows that flooding of polluted floodplain soils may induce pulses of both mercury (Hg) and methylmercury to the soil solution and threaten downstream ecosystems. We demonstrate that mobilization of Hg bound to manganese oxides is a relevant process in organic-matter-poor soils. Addition of organic amendments accelerates this mobilization but also facilitates the formation of nanoparticulate Hg and the subsequent fixation of Hg from soil solution to the soil.
Yao Zhang, Jocelyn M. Lavallee, Andy D. Robertson, Rebecca Even, Stephen M. Ogle, Keith Paustian, and M. Francesca Cotrufo
Biogeosciences, 18, 3147–3171, https://doi.org/10.5194/bg-18-3147-2021, https://doi.org/10.5194/bg-18-3147-2021, 2021
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Soil organic matter (SOM) is essential for the health of soils, and the accumulation of SOM helps removal of CO2 from the atmosphere. Here we present the result of the continued development of a mathematical model that simulates SOM and its measurable fractions. In this study, we simulated several grassland sites in the US, and the model generally captured the carbon and nitrogen amounts in SOM and their distribution between the measurable fractions throughout the entire soil profile.
Zhongkui Luo, Raphael A. Viscarra-Rossel, and Tian Qian
Biogeosciences, 18, 2063–2073, https://doi.org/10.5194/bg-18-2063-2021, https://doi.org/10.5194/bg-18-2063-2021, 2021
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Using the data from 141 584 whole-soil profiles across the globe, we disentangled the relative importance of biotic, climatic and edaphic variables in controlling global SOC stocks. The results suggested that soil properties and climate contributed similarly to the explained global variance of SOC in four sequential soil layers down to 2 m. However, the most important individual controls are consistently soil-related, challenging current climate-driven framework of SOC dynamics.
Debjani Sihi, Xiaofeng Xu, Mónica Salazar Ortiz, Christine S. O'Connell, Whendee L. Silver, Carla López-Lloreda, Julia M. Brenner, Ryan K. Quinn, Jana R. Phillips, Brent D. Newman, and Melanie A. Mayes
Biogeosciences, 18, 1769–1786, https://doi.org/10.5194/bg-18-1769-2021, https://doi.org/10.5194/bg-18-1769-2021, 2021
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Humid tropical soils are important sources and sinks of methane. We used model simulation to understand how different kinds of microbes and observed soil moisture and oxygen dynamics contribute to production and consumption of methane along a wet tropical hillslope during normal and drought conditions. Drought alters the diffusion of oxygen and microbial substrates into and out of soil microsites, resulting in enhanced methane release from the entire hillslope during drought recovery.
Mathieu Chassé, Suzanne Lutfalla, Lauric Cécillon, François Baudin, Samuel Abiven, Claire Chenu, and Pierre Barré
Biogeosciences, 18, 1703–1718, https://doi.org/10.5194/bg-18-1703-2021, https://doi.org/10.5194/bg-18-1703-2021, 2021
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Evolution of organic carbon content in soils could be a major driver of atmospheric greenhouse gas concentrations over the next century. Understanding factors controlling carbon persistence in soil is a challenge. Our study of unique long-term bare-fallow samples, depleted in labile organic carbon, helps improve the separation, evaluation and characterization of carbon pools with distinct residence time in soils and gives insight into the mechanisms explaining soil organic carbon persistence.
Melisa A. Diaz, Christopher B. Gardner, Susan A. Welch, W. Andrew Jackson, Byron J. Adams, Diana H. Wall, Ian D. Hogg, Noah Fierer, and W. Berry Lyons
Biogeosciences, 18, 1629–1644, https://doi.org/10.5194/bg-18-1629-2021, https://doi.org/10.5194/bg-18-1629-2021, 2021
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Water-soluble salt and nutrient concentrations of soils collected along the Shackleton Glacier, Antarctica, show distinct geochemical gradients related to latitude, longitude, elevation, soil moisture, and distance from coast and glacier. Machine learning algorithms were used to estimate geochemical gradients for the region given the relationship with geography. Geography and surface exposure age drive salt and nutrient abundances, influencing invertebrate habitat suitability and biogeography.
Marion Schrumpf, Klaus Kaiser, Allegra Mayer, Günter Hempel, and Susan Trumbore
Biogeosciences, 18, 1241–1257, https://doi.org/10.5194/bg-18-1241-2021, https://doi.org/10.5194/bg-18-1241-2021, 2021
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A large amount of organic carbon (OC) in soil is protected against decay by bonding to minerals. We studied the release of mineral-bonded OC by NaF–NaOH extraction and H2O2 oxidation. Unexpectedly, extraction and oxidation removed mineral-bonded OC at roughly constant portions and of similar age distributions, irrespective of mineral composition, land use, and soil depth. The results suggest uniform modes of interactions between OC and minerals across soils in quasi-steady state with inputs.
Lena Rohe, Bernd Apelt, Hans-Jörg Vogel, Reinhard Well, Gi-Mick Wu, and Steffen Schlüter
Biogeosciences, 18, 1185–1201, https://doi.org/10.5194/bg-18-1185-2021, https://doi.org/10.5194/bg-18-1185-2021, 2021
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Total denitrification, i.e. N2O and (N2O + N2) fluxes, of repacked soil cores were analysed for different combinations of soils and water contents. Prediction accuracy of (N2O + N2) fluxes was highest with combined proxies for oxygen demand (CO2 flux) and oxygen supply (anaerobic soil volume fraction). Knowledge of denitrification completeness (product ratio) improved N2O predictions. Substitutions with cheaper proxies (soil organic matter, empirical diffusivity) reduced prediction accuracy.
Severin-Luca Bellè, Asmeret Asefaw Berhe, Frank Hagedorn, Cristina Santin, Marcus Schiedung, Ilja van Meerveld, and Samuel Abiven
Biogeosciences, 18, 1105–1126, https://doi.org/10.5194/bg-18-1105-2021, https://doi.org/10.5194/bg-18-1105-2021, 2021
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Controls of pyrogenic carbon (PyC) redistribution under rainfall are largely unknown. However, PyC mobility can be substantial after initial rain in post-fire landscapes. We conducted a controlled simulation experiment on plots where PyC was applied on the soil surface. We identified redistribution of PyC by runoff and splash and vertical movement in the soil depending on soil texture and PyC characteristics (material and size). PyC also induced changes in exports of native soil organic carbon.
Cited articles
Allison, S. D., Chacon, S. S., and German, D. P.: Substrate concentration
constraints on microbial decomposition, Soil Biol. Biochem., 79, 43–49,
2014.
Angst, G., Mueller, K. E., Kögel-Knabner, I., Freeman, K. H., and
Mueller, C. W.: Aggregation controls the stability of lignin and lipids in
clay-sized particulate and mineral associated organic matter,
Biogeochemistry, 132, 307–324, 2017.
Arnosti, C., Bell, C., Moorhead, D. L., Sinsabaugh, R. L., Steen, A. D.,
Stromberger, M., Wallenstein, M., and Weintraub, M. N.: Extracellular
enzymes in terrestrial, freshwater, and marine environments: perspectives on
system variability and common research needs, Biogeochemistry, 117, 5–21,
2014.
Artigas, J., Romaní, A. M., and Sabater, S.: Relating nutrient molar
ratios of microbial attached communities to organic matter utilization in a
forested stream, Fund. Appl. Limnol., 173, 255–264, 2008.
Averill, C., Waring, B. G., and Hawkes, C. V.: Historical precipitation
predictably alters the shape and magnitude of microbial functional response
to soil moisture, Glob. Change Biol., 22, 1957–1964, 2016.
Bligh, E. G. and Dyer, W. J.: A rapid method of total lipid extraction and
purification, Can. J. Biochem. Physiol., 37, 911–917, 1959.
Bosatta, E. and Ågren, G. I.: Soil organic matter quality interpreted
thermodynamically, Soil Biol. Biochem., 31, 1889–1891, 1999.
Bradford, M. A., Keiser, A. D., Davies, C. A., Mersmann, C. A., and
Strickland, M. S.: Empirical evidence that soil carbon formation from plant
inputs is positively related to microbial growth, Biogeochemistry, 113,
271–281, 2013.
Bronick, C. J. and Lal, R.: Soil structure and management: a review,
Geoderma, 124, 3–22, 2005.
Bruun, T. B., Elberling, B., and Christensen, B. T.: Lability of soil
organic carbon in tropical soils with different clay minerals, Soil Biol.
Biochem., 42, 888–895, 2010.
Burns, R. G.: Soil enzymes, Academic Press, New York, 1978.
Carrasco, B., Cabaneiro, A., and Fernandez, I.: Exploring potential pine
litter biodegradability as a natural tool for low-carbon forestry, Forest
Ecol. Manag., 401, 166–176, 2017.
Carreiro, M. M., Sinsabaugh, R. L., Repert, D. A., and Parkhurst, D. F.:
Microbial enzyme shifts explain litter decay responses to simulated nitrogen
deposition, Ecology, 81, 2359–2365, 2000.
Conant, R. T., Ryan, M. G., Ågren, G. I., Birge, H. E., Davidson, E. A.,
Eliasson, P. E., Evans, S. E., Frey, S., Giardina, E. A., Hopkins, F. M.,
Hyvönen, R., Kirschbaum, M. U. F., Lavallee, J. M., Leifeld, J., Parton,
W. J., Steinweg, J. M., Wallenstein, M. D., Wetterstedt, J. A. M., and
Bradford, M. Å.: Temperature and soil organic matter decomposition rates
– synthesis of current knowledge and a way forward, Glob. Change Biol., 17,
3392–3404, 2011.
Davidson, E. A. and Janssens, I. A.: Temperature sensitivity of soil carbon
decomposition and feedbacks to climate change, Nature, 440, 165–173, 2006.
Davidson, E. A., Samanta, S., Caramori, S. S., and Savage, K.: The dual
Arrhenius and Michaelis-Menten kinetics model for decomposition of soil
organic matter at hourly to seasonal time scales, Glob. Change Biol., 18,
371–384, 2012.
Delgado-Baquerizo, M., Maestre, F. T., Gallardo, A., Bowker, M. A.,
Wallenstein, M. D., Quero, J. L., Ochoa, V., Gozalo, B.,
García-Gómez, M., Soliveres, S., García-Palacios, P., Berdugo,
M., Valencia, E., Escolar, C., Arredondo, T., Barraza-Zepeda, C., Bran, D.,
Carreira, J. A., Chaieb, M., Conceição, A. A., Derak, M., Eldridge,
D. J., Escudero, A., Espinosa, C. I., Gaitán, J., Gatica, M. G.,
Gómez-González, S., Guzman, E., Gutiérrez, J. R., Florentino,
A., Hepper, E., Hernández, R. M., Huber-Sannwald, E., Jankju, M., Liu,
J., Mau, R. L., Miriti, M., Monerris, J., Naseri, K., Noumi, Z., Polo, V.,
Prina, A., Pucheta, E., Ramírez, E., Ramírez-Collantes, D. A.,
Romão, R., Tighe, M., Torres, D., Torres-Díaz, C., Ungar, E. D.,
Val, J., Wamiti, W., Wang, D., and Zaady, E.: Decoupling of soil nutrient
cycles as a function of aridity in global drylands, Nature, 502, 672–676,
2013.
Fang, H., Cheng, S., Lin, E., Yu, G., Niu, S., Wang, Y., Xu, M., Dang, X.,
Li, L., and Wang, L.: Elevated atmospheric carbon dioxide concentration
stimulates soil microbial activity and impacts water-extractable organic
carbon in an agricultural soil, Biogeochemistry, 122, 253–267, 2015.
Fierer, N.: Embracing the unknown: disentangling the complexities of the
soil microbiome, Nat. Rev. Microbiol., 15, 579–590, 2017.
Freeman, C., Ostle, N., and Kang, H.: An enzymic `latch' on a global carbon
store – A shortage of oxygen locks up carbon in peatlands by restraining a
single enzyme, Nature, 409, 149, 2001.
Gallo, M., Amonette, R., Lauber, C., Sinsabaugh, R. L., and Zak, D. R.:
Microbial community structure and oxidative enzyme activity in
nitrogen-amended north temperate forest soils, Microb. Ecol., 48, 218–229,
2004.
Georgiou, C. D., Sun, H. J., McKay, C. P., Grintzalis, K., Papapostolou, I.,
Zisimopoulos, D., Panagiotidis, K., Zhang, G., Koutsopoulou, E., Christidis,
G. E., and Margiolaki, I.: Evidence for photochemical production of reactive
oxygen species in desert soils, Nat. Commun., 6, 7100, https://doi.org/10.1038/ncomms8100,
2015.
Guenet, B., Neill, C., Bardoux, G., and Abbadie, L.: Is there a linear
relationship between priming effect intensity and the amount of organic
matter input? Appl. Soil Ecol., 46, 436–442, 2010.
Harradine, F. and Jenny, H.: Influence of parent material and climate on
texture and nitrogen and carbon contents of virgin California soils: I.
Texture and nitrogen contents of soils, Soil Sci., 85, 235–243, 1958.
Harrison-Kirk, T., Beare, M. H., Meenken, E. D., and Condron, L. M.: Soil
organic matter and texture affect responses to dry/wet cycles: Effects on
carbon dioxide and nitrous oxide emissions, Soil Biol. Biochem., 57, 43–55,
2013.
Harwood, J. L. and Russell, N. J.: Lipids in plants and microorganisms,
George Allen and Unwin Ltd., London, 1984.
Hassan, W., Chen, W., Cai, P., and Huang, Q.: Oxidative enzymes, the
ultimate regulator: implications for factors affecting their efficiency, J.
Environ. Qual., 42, 1779–1790, 2013.
Hawkes, C. V., Waring, B. G., Rocca, J. D., and Kivlin, S. N.: Historical
climate controls soil respiration responses to current soil moisture, P.
Natl. Acad. Sci. USA, 114, 6322–6327, 2017.
IUSS Working Group WRB: World reference base for soil resources, World soil resources reports, No. 103, 2nd edn., FAO, Rome, 2006.
Kalbitz, K., Solinger, S., Park, J. H., Michalzik, B., and Matzner, E.:
Controls on the dynamics of dissolved organic matter in soils: a review,
Soil Sci., 165, 277–304, 2000.
Kallenbach, C. M., Frey, S. D., and Grandy, A. S.: Direct evidence for
microbial-derived soil organic matter formation and its ecophysiological
controls, Nat. Commun., 7, 13630, https://doi.org/10.1038/ncomms13630, 2016.
Lalonde, K., Mucci, A., Ouellet, A., and Gelinas, Y.: Preservation of
organic matter in sediments promoted by iron, Nature, 483, 198–200, 2012.
Lehmann, J. and Kleber, M.: The contentious nature of soil organic matter,
Nature, 528, 60–68, 2015.
Lemire, J. A., Harrison, J. J., and Turner, R. J.: Antimicrobial activity of
metals: mechanisms, molecular targets and applications, Nat. Rev.
Microbiol., 11, 371–384, 2013.
Li, X. and Chen, Z.: Soil microbial biomass C and N along a climatic
transect in the Mongolian steppe, Biol. Fert. Soils, 39, 344–351, 2004.
Li, X. and Sarah, P.: Arylsulfatase activity of soil microbial biomass along
a Mediterranean-arid transect, Soil Biol. Biochem., 35, 925–934, 2003.
Ma, T., Zhu, S., Wang, Z., Chen, D., Dai, G., Feng, B., Su, X., Hu, H., Li,
K., Han, W., Liang, C., Bai, Y., and Feng, X.: Divergent accumulation of
microbial necromass and plant lignin components in grassland soils, Nat.
Commun., 9, 3480, https://doi.org/10.1038/s41467-018-05891-1, 2018.
Maestre, F. T., Delgado-Baquerizo, M., Jeffries, T. C., Eldridge, D. J.,
Ochoa, V., Gozalo, B., Quero, J. L., García-Gómez, M., Gallardo,
A., Ulrich, W., Bowker, M. A., Arredondo, T., Barraza-Zepeda, C., Bran, D.,
Florentino, A., Gaitán, J., Gutiérrez, J. R., Huber-Sannwald, E.,
Jankju, M., Mau, R. L., Miriti, M., Naseri, K., Ospina, A., Stavi, I., Wang,
D., Woods, N. N., Yuan, X., Zaady, E., and Singh, B. K.: Increasing aridity
reduces soil microbial diversity and abundance in global drylands, P.
Natl. Acad. Sci. USA, 112, 15684–15689, 2015.
Marschner, B. and Kalbitz, K.: Controls of bioavailability and
biodegradability of dissolved organic matter in soils, Geoderma, 113,
211–235, 2003.
Martínez-García, L. B., Korthals, G., Brussaard, L., Jørgensen,
H. B., and De Deyn, G. B.: Organic management and cover crop species steer
soil microbial community structure and functionality along with soil organic
matter properties, Agr. Ecosyst. Environ., 263, 7–17, 2018.
Nannipieri, P., Kandeler, E., and Ruggiero, P.: Enzyme activities and
microbiological and biochemical processes in soil, in: Enzymes in the
Environment, edited by: Burns, R. G. and Dick, R. P., Marcel Dekker Inc.,
New York, 1–34, 2002.
Odum, E. P.: Trends expected in stressed ecosystems, Bioscience, 35,
419–422, 1985.
Rosseel, Y.: Lavaan: an R package for structural equation modeling and more.
Version 0.5–12 (BETA), J. Stat. Softw., 48, 1–36, 2012.
Saiya-Cork, K. R., Sinsabaugh, R. L., and Zak, D. R.: The effects of long
term nitrogen deposition on extracellular enzyme activity in an Acer
saccharum forest soil, Soil Biol. Biochem., 34, 1309–1315, 2002.
Schermelleh-Engel, K. and Moosbrugger, H.: Evaluating the fit of structural
equation models, tests of significance descriptive goodness-of-fit measures,
Method. Psychol. Res., 8, 23–74, 2003.
Schimel, J. P. and Weintraub, M. N.: The implications of exoenzyme activity
on microbial carbon and nitrogen limitation in soil: a theoretical model,
Soil Biol. Biochem., 35, 549–563, 2003.
Shaver, G. R., Giblin, A. E., Nadelhoffer, K. J., Thieler, K. K., Downs, M.
R., Laundre, J. A., and Rastetter, E. B.: Carbon turnover in Alaskan tundra
soils: effects of organic matter quality, temperature, moisture and
fertilizer, J. Ecol., 94, 740–753, 2006.
Shaw, M. R., and Harte, J.: Control of litter decomposition in a subalpine
meadow-sagebrush steppe ecotone under climate change, Ecol. Appl., 11,
1206–1223, 2001.
Sievers, T. and Cook, R. L.: Aboveground and root decomposition of cereal
rye and hairy vetch cover crops, Soil Sci. Soc. Am. J., 82, 147–155, 2018.
Silver, W. L. and Miya, R. K.: Global patterns in root decomposition:
comparisons of climate and litter quality effects, Oecologia, 129, 407–419,
2001.
Sinsabaugh, R. L.: Phenol oxidase, peroxidase and organic matter dynamics of
soil, Soil Biol. Biochem., 42, 391–404, 2010.
Sinsabaugh, R. L. and Follstad Shah, J. J.: Ecoenzymatic stoichiometry and
ecological theory, Annu. Rev. Ecol., Evol., S., 43, 313–343, 2012.
Six, J., Conant, R. T., Paul, E. A., and Paustian, K.: Stabilization
mechanisms of soil organic matter: Implications for C-saturation of soils,
Plant Soil, 241, 155–176, 2002.
Sollins, P., Homann, P., and Caldwell, B. A.: Stabilization and
destabilization of soil organic matter: mechanisms and controls, Geoderma,
74, 65–105, 1996.
Strickland, M. S., Keiser, A. D., and Bradford, M. A.: Climate history
shapes contemporary leaf litter decomposition, Biogeochemistry, 122,
165–174, 2015.
Stursova, M. and Sinsabaugh, R. L.: Stabilization of oxidative enzymes in
desert soil may limit organic matter accumulation, Soil Biol. Biochem., 40,
550–553, 2008.
von Lützow, M., Kögel-Knabner, I., Ekschmitt, K., Matzner, E.,
Guggenberger, G., Marschner, B., and Flessa, H.: Stabilization of organic
matter in temperate soils: mechanisms and their relevance under different
soil conditions – a review, Eur. J. Soil Sci., 57, 426–445, 2006.
Wang, C., Wang, X., Liu, D., Wu, H., Lu, X., Fang, Y., Cheng, W., Luo, W.,
Jiang, P., Shi, J., Yin, H., Zhou, J., Han, X., and Bai, E.: Aridity
threshold in controlling ecosystem nitrogen cycling in arid and semi-arid
grasslands, Nat. Commun., 5, 4799, https://doi.org/10.1038/ncomms5799, 2014a.
Wang, G., Zhang, L., Zhang, X., Wang, Y., and Xu, Y.: Chemical and carbon
isotopic dynamics of grass organic matter during litter decompositions: A
litterbag experiment, Org. Geochem., 69, 106–113, 2014b.
Wei, H., Guenet, B., Vicca, S., Nunan, N., Asard, H., AbdElgawad, H., Shen,
W., and Janssens, I. A.: High clay content accelerates the decomposition of
fresh organic matter in artificial soils, Soil Biol. Biochem., 77, 100–108,
2014.
Whittinghill, K. A. and Hobbie, S. E.: Effects of pH and calcium on soil
organic matter dynamics in Alaskan tundra, Biogeochemistry, 111, 569–581,
2011.
Wieder, W. R., Allison, S. D., Davidson, E. A., Georgiou, K., Hararuk, O.,
He, Y., Hopkins, F., Luo, Y., Smith, M. J., Sulman, B., Todd-Brown, K.,
Wang, Y. P., Xia, J., and Xu, X.: Explicitly representing soil microbial
processes in Earth system models, Global Biogeochem. Cy., 29, 1782–1800,
2015.
Short summary
Using pathway analysis, we demonstrate that past aridity's effect is mediated by differential mechanisms for substrates of varied complexity. While microbial biomass plays a more important role in the decomposition of fresh litter, enzyme-catalyzed extracellular reactions predominantly govern the mineralization of SOC. Our findings have significant implications for assessing and modeling decomposition in different aridity regimes.
Using pathway analysis, we demonstrate that past aridity's effect is mediated by differential...
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