| Drying-rewetting rather than sieving stimulates soil respiration |
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| 作者姓名： | Junjie LIN Weixin CHENG Shuai ZHANG Biao ZHU |
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| 作者单位： | Key Laboratory of Water Environment Evolution and Pollution Control in Three Gorges Reservoir;Department of Environmental Studies;Institute of Ecology |
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| 基金项目： | supported by the National Natural Science Foundation of China (Nos. 31770529, 31971528, and 31988102);the Program of Chongqing Science and Technology Commission, China (No. cstc2020jcyj-msxmX0095);the Science and Technology Research Program of Chongqing Municipal Education Commission, China (Nos. KJZD-K202001203 and KJZD-K202003501)。 |
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| 摘 要： | Dear Editor,Soils contain the largest carbon(C) pool in terrestrial ecosystems.Even a small change in soil C pool may significantly influence atmospheric carbon dioxide(CO2) concentration.Thus,it is critical to accurately assess the response of soil C pool to global change.Soil incubation is a frequently used method to assess soil C decomposition rate because it allows environmental variables to be under control(Unger et al.,2010;Shi and Marschner,2014).However,pre-treatments during soil sampling and processing,such as sieving and drying-rewetting,inevitably bring physical disturbances which may affect soil respiration rate(Franzluebbers,1999;Thomson et al.,2010;Curtin et al.,2014).
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| 关 键 词： | SOIL dioxide THOMSON |
| 收稿时间： | 10 February 2020 |
Drying-rewetting rather than sieving stimulates soil respiration |
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| Junjie LIN,Weixin CHENG,Shuai ZHANG,Biao ZHU.Drying-rewetting rather than sieving stimulates soil respiration[J].Pedosphere,2022,32(2):359-363. |
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| Authors: | Junjie LIN Weixin CHENG Shuai ZHANG and Biao ZHU |
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| Institution: | 1 Key Laboratory of Water Environment Evolution and Pollution Control in Three Gorges Reservoir, Chongqing Three Gorges University, Chongqing 404100(China)
2 Department of Environmental Studies, University of California, Santa Cruz CA 95064(USA)
3 Institute of Ecology, College of Urban and Environmental Sciences, Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing 100871(China) |
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