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Temperature sensitivity of organic carbon decomposition in lake sediments is mediated by chemodiversity

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成果类型:
期刊论文
作者:
Wen, Shuailong;Hu, Ang;Jiang, Shuyu;Han, Lei;Jang, Kyoung-Soon;...
通讯作者:
Wang, JJ
作者机构:
[Wang, Jianjun; Wen, Shuailong; Jiang, Shuyu; Han, Lei; Hu, Ang; Zhong, Jicheng] Chinese Acad Sci, Nanjing Inst Geog & Limnol, Key Lab Lake & Watershed Sci Water Secur, Nanjing, Peoples R China.
[Jiang, Shuyu] Nanjing Normal Univ, Coll Life Sci, Nanjing, Peoples R China.
[Han, Lei] Hunan Agr Univ, Coll Resources & Environm, Changsha, Peoples R China.
[Jang, Kyoung-Soon] Korea Basic Sci Inst, Biochem Anal Team, Cheongju, South Korea.
[Tanentzap, Andrew J.] Univ Cambridge, Dept Plant Sci, Cambridge, England.
通讯机构:
[Wang, JJ ] C
Chinese Acad Sci, Nanjing Inst Geog & Limnol, Key Lab Lake & Watershed Sci Water Secur, Nanjing, Peoples R China.
语种:
英文
关键词:
carbon quality temperature hypothesis;carbon-climate feedback;chemodiversity;functional traits;geography;global warming;greenhouse gas;lake ecosystems
期刊:
Global Change Biology
ISSN:
1354-1013
年:
2024
卷:
30
期:
2
页码:
e17158-
基金类别:
The Second Tibetan Plateau Scientific Expedition and Research Program [42225708, 92251304, 42377122, 42307323]; National Natural Science Foundation of China [2019QZKK0503]; Second Tibetan Plateau Scientific Expedition and Research Program [NIGLAS2022GS09]; Science and Technology Planning Project of NIGLAS
机构署名:
本校为其他机构
院系归属:
资源环境学院
摘要:
The mean value of temperature sensitivity of organic carbon decomposition in lake sediments is 1.78 ± 0.62. The quantity of sediment organic carbon determines the absolute rate of decomposition, while the quality of organic carbon determines the sensitivity of decomposition to warming. At both molecular and compositional levels, functional traits of DOM revealed the positive correlation between Q10 and biochemical recalcitrance, thus supporting the carbon quality temperature hypothesis. Abstract Organic carbon decomposition in lake sediments...

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