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Title: More replenishment than priming loss of soil organic carbon with additional carbon input

Increases in carbon (C) inputs to soil can replenish soil organic C (SOC) through various mechanisms. However, recent studies have suggested that the increased C input can also stimulate the decomposition of old SOC via priming. Whether the loss of old SOC by priming can override C replenishment has not been rigorously examined. Here we show, through data–model synthesis, that the magnitude of replenishment is greater than that of priming, resulting in a net increase in SOC by a mean of 32% of the added new C. The magnitude of the net increase in SOC is positively correlated with the nitrogen-to-C ratio of the added substrates. Additionally, model evaluation indicates that a two-pool interactive model is a parsimonious model to represent the SOC decomposition with priming and replenishment. Lastly, our findings suggest that increasing C input to soils likely promote SOC accumulation despite the enhanced decomposition of old C via priming.
Authors:
 [1] ; ORCiD logo [2] ;  [3] ;  [4] ;  [5] ;  [6] ;  [7] ;  [8] ;  [9] ;  [10] ;  [11] ; ORCiD logo [12] ;  [5] ; ORCiD logo [13] ;  [4] ;  [14] ; ORCiD logo [15] ;  [16]
  1. Univ. of Oklahoma, Norman, OK (United States). Dept. of Microbiology and Plant Biology; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Environmental Sciences Division & Climate Change Science Inst.
  2. Northeast Forestry Univ., Heilongjiang (China). Center for Ecological Research
  3. Chinese Academy of Sciences (CAS), Liaoning (China). Inst. of Applied Ecology
  4. Univ. of Oklahoma, Norman, OK (United States). Dept. of Microbiology and Plant Biology
  5. Michigan State Univ., East Lansing, MI (United States). Dept. of Plant, Soil and Microbial Sciences, Center for Microbial Ecology
  6. Key Lab. of Stress Physiology and Ecology in Cold and Arid Regions, Gansu (China)
  7. Georgia Inst. of Technology, Atlanta, GA (United States). School of Civil and Environmental Engineering and School of Biology
  8. Henan Univ., Henan (China). International Joint Research Lab. for Global Change Ecology, College of Life Sciences
  9. Nanjing Univ. Information Science and Technology (China). School of Geography and Remote Sensing
  10. Commonwealth Scientific and Industrial Research Organization (CSIRO), Canberra, ACT (Australia)
  11. Arizona State Univ., Mesa, AZ (United States). College of Integrative Sciences and Arts; Arizona State Univ., Tempe, AZ (United States). Center for Fundamental and Applied Microbiomics, Biodesign Inst.
  12. Northern Arizona Univ., Flagstaff, AZ (United States). Center for Ecosystem Science and Society and Dept. of Biological Sciences
  13. Commonwealth Scientific and Industrial Research Organization (CSIRO), Aspendale, VIC (Australia)
  14. East China Normal Univ. (ECNU), Shanghai (China). Tiantong National Station of Forest Ecosystem, School of Ecological and Environmental Sciences; Inst. of Eco-Chongming (IEC), Shanghai (China)
  15. Univ. of Oklahoma, Norman, OK (United States). Dept. of Microbiology and Plant Biology; Tsinghua Univ., Beijing (China). State Key Joint Lab. of Environment Simulation and Pollution Control, School of Environment; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Earth and Environmental Sciences
  16. Univ. of Oklahoma, Norman, OK (United States). Dept. of Microbiology and Plant Biology; Northern Arizona Univ., Flagstaff, AZ (United States). Center for Ecosystem Science and Society and Department of Biological Sciences; Tsinghua Univ., Beijing (China). Dept. of Earth System Science
Publication Date:
Grant/Contract Number:
AC05-00OR22725; SC0004601; SC00114085; EF 1137293; OIA-1301789; SC0010715; AC02-05CH11231
Type:
Published Article
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 9; Journal Issue: 1; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Research Org:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org:
USDOE Office of Science (SC), Biological and Environmental Research (BER) (SC-23); National Science Foundation (NSF)
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES
OSTI Identifier:
1462768
Alternate Identifier(s):
OSTI ID: 1468030; OSTI ID: 1477417

Liang, Junyi, Zhou, Zhenghu, Huo, Changfu, Shi, Zheng, Cole, James R., Huang, Lei, Konstantinidis, Konstantinos T., Li, Xiaoming, Liu, Bo, Luo, Zhongkui, Penton, C. Ryan, Schuur, Edward A. G., Tiedje, James M., Wang, Ying-Ping, Wu, Liyou, Xia, Jianyang, Zhou, Jizhong, and Luo, Yiqi. More replenishment than priming loss of soil organic carbon with additional carbon input. United States: N. p., Web. doi:10.1038/s41467-018-05667-7.
Liang, Junyi, Zhou, Zhenghu, Huo, Changfu, Shi, Zheng, Cole, James R., Huang, Lei, Konstantinidis, Konstantinos T., Li, Xiaoming, Liu, Bo, Luo, Zhongkui, Penton, C. Ryan, Schuur, Edward A. G., Tiedje, James M., Wang, Ying-Ping, Wu, Liyou, Xia, Jianyang, Zhou, Jizhong, & Luo, Yiqi. More replenishment than priming loss of soil organic carbon with additional carbon input. United States. doi:10.1038/s41467-018-05667-7.
Liang, Junyi, Zhou, Zhenghu, Huo, Changfu, Shi, Zheng, Cole, James R., Huang, Lei, Konstantinidis, Konstantinos T., Li, Xiaoming, Liu, Bo, Luo, Zhongkui, Penton, C. Ryan, Schuur, Edward A. G., Tiedje, James M., Wang, Ying-Ping, Wu, Liyou, Xia, Jianyang, Zhou, Jizhong, and Luo, Yiqi. 2018. "More replenishment than priming loss of soil organic carbon with additional carbon input". United States. doi:10.1038/s41467-018-05667-7.
@article{osti_1462768,
title = {More replenishment than priming loss of soil organic carbon with additional carbon input},
author = {Liang, Junyi and Zhou, Zhenghu and Huo, Changfu and Shi, Zheng and Cole, James R. and Huang, Lei and Konstantinidis, Konstantinos T. and Li, Xiaoming and Liu, Bo and Luo, Zhongkui and Penton, C. Ryan and Schuur, Edward A. G. and Tiedje, James M. and Wang, Ying-Ping and Wu, Liyou and Xia, Jianyang and Zhou, Jizhong and Luo, Yiqi},
abstractNote = {Increases in carbon (C) inputs to soil can replenish soil organic C (SOC) through various mechanisms. However, recent studies have suggested that the increased C input can also stimulate the decomposition of old SOC via priming. Whether the loss of old SOC by priming can override C replenishment has not been rigorously examined. Here we show, through data–model synthesis, that the magnitude of replenishment is greater than that of priming, resulting in a net increase in SOC by a mean of 32% of the added new C. The magnitude of the net increase in SOC is positively correlated with the nitrogen-to-C ratio of the added substrates. Additionally, model evaluation indicates that a two-pool interactive model is a parsimonious model to represent the SOC decomposition with priming and replenishment. Lastly, our findings suggest that increasing C input to soils likely promote SOC accumulation despite the enhanced decomposition of old C via priming.},
doi = {10.1038/s41467-018-05667-7},
journal = {Nature Communications},
number = 1,
volume = 9,
place = {United States},
year = {2018},
month = {8}
}