Differential responses of carbon-degrading enzyme activities to warming Implications for soil respiration

Differential responses of carbon-degrading enzyme activities to warming : Implications for soil respiration

© 2018 John Wiley & Sons Ltd.

Détails bibliographiques
Publié dans:Global change biology. - 1999. - 24(2018), 10 vom: 21. Okt., Seite 4816-4826
Auteur principal: Chen, Ji (Auteur)
Autres auteurs: Luo, Yiqi, García-Palacios, Pablo, Cao, Junji, Dacal, Marina, Zhou, Xuhui, Li, Jianwei, Xia, Jianyang, Niu, Shuli, Yang, Huiyi, Shelton, Shelby, Guo, Wei, van Groenigen, Kees Jan
Format: Article en ligne
Langue:English
Publié: 2018
Accès à la collection:Global change biology
Sujets:Journal Article Meta-Analysis Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. cellulase activity decomposition extracellular enzyme activity global warming ligninase activity recalcitrant carbon pool plus... soil microorganisms soil respiration Soil Charcoal 16291-96-6 Carbon 7440-44-0 Oxygenases EC 1.13.- ligninase EC 1.14.99.- Cellulase EC 3.2.1.4
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520 |a Extracellular enzymes catalyze rate-limiting steps in soil organic matter decomposition, and their activities (EEAs) play a key role in determining soil respiration (SR). Both EEAs and SR are highly sensitive to temperature, but their responses to climate warming remain poorly understood. Here, we present a meta-analysis on the response of soil cellulase and ligninase activities and SR to warming, synthesizing data from 56 studies. We found that warming significantly enhanced ligninase activity by 21.4% but had no effect on cellulase activity. Increases in ligninase activity were positively correlated with changes in SR, while no such relationship was found for cellulase. The warming response of ligninase activity was more closely related to the responses of SR than a wide range of environmental and experimental methodological factors. Furthermore, warming effects on ligninase activity increased with experiment duration. These results suggest that soil microorganisms sustain long-term increases in SR with warming by gradually increasing the degradation of the recalcitrant carbon pool 
650 4 |a Journal Article 
650 4 |a Meta-Analysis 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
650 4 |a cellulase activity 
650 4 |a decomposition 
650 4 |a extracellular enzyme activity 
650 4 |a global warming 
650 4 |a ligninase activity 
650 4 |a recalcitrant carbon pool 
650 4 |a soil microorganisms 
650 4 |a soil respiration 
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650 7 |a Charcoal  |2 NLM 
650 7 |a 16291-96-6  |2 NLM 
650 7 |a Carbon  |2 NLM 
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650 7 |a Oxygenases  |2 NLM 
650 7 |a EC 1.13.-  |2 NLM 
650 7 |a ligninase  |2 NLM 
650 7 |a EC 1.14.99.-  |2 NLM 
650 7 |a Cellulase  |2 NLM 
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700 1 |a Luo, Yiqi  |e verfasserin  |4 aut 
700 1 |a García-Palacios, Pablo  |e verfasserin  |4 aut 
700 1 |a Cao, Junji  |e verfasserin  |4 aut 
700 1 |a Dacal, Marina  |e verfasserin  |4 aut 
700 1 |a Zhou, Xuhui  |e verfasserin  |4 aut 
700 1 |a Li, Jianwei  |e verfasserin  |4 aut 
700 1 |a Xia, Jianyang  |e verfasserin  |4 aut 
700 1 |a Niu, Shuli  |e verfasserin  |4 aut 
700 1 |a Yang, Huiyi  |e verfasserin  |4 aut 
700 1 |a Shelton, Shelby  |e verfasserin  |4 aut 
700 1 |a Guo, Wei  |e verfasserin  |4 aut 
700 1 |a van Groenigen, Kees Jan  |e verfasserin  |4 aut 
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773 1 8 |g volume:24  |g year:2018  |g number:10  |g day:21  |g month:10  |g pages:4816-4826 
856 4 0 |u http://dx.doi.org/10.1111/gcb.14394  |3 Volltext 
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