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Precipitation consistently promotes, but temperature oppositely drives carbon fluxes in temperate and alpine grasslands in China

文献类型：期刊论文

作者Liu, Zhaogang11; Chen, Zhi8,11,12; Yang, Meng11; Hao, Tianxiang11; Yu, Guirui11,12; Zhu, Xianjin13; Zhang, Weikang11; Ma, Lexin11; Dou, Xiaojun11; Lin, Yong11
刊名AGRICULTURAL AND FOREST METEOROLOGY
出版日期2024-01-15
卷号344页码:109811
关键词Alpine grassland Carbon flux Climate change Precipitation Temperate grassland Temperature
DOI10.1016/j.agrformet.2023.109811
产权排序1
文献子类Article
英文摘要Temperate grassland (TG) and alpine grassland (AG) are two distinct grassland types with different climatic backgrounds and adaptation patterns. Little is known about the universal and divergent responses of TGs and AGs to climate change, particularly with regard to the carbon (C) fluxes. The large-scale responses of the C fluxes in different grasslands to climate change remain unclear, with only a few comparative studies of distinct responses of the C fluxes in TGs and AGs to climate change hinders our understanding of this subject. In this study, we conducted a large-scale transect study across the Mongolian, Loess, and Tibetan Plateaus in China to reveal the similarities and differences in the responses of the C fluxes in TGs and AGs to climate change. We used C flux data measured by eddy covariance from ChinaFLUX and published literature, covering the period from 2003 to 2020. The results showed that TGs and AGs in China were weak C sinks. Net ecosystem productivity in TGs and AGs exhibited opposite trends with increasing latitude, longitude, and altitude. Elevated water (mean annual precipitation and soil water content) consistently increased the C fluxes. Conversely, increased temperature (mean annual temperature and mean annual soil temperature) reduced the C fluxes in TGs and increased the C fluxes in AGs. The water factors promoted the C fluxes in both TGs and AGs by improving the leaf area indices. Conversely, the temperature factors had a strong direct, negative effect on the C fluxes in TGs and a weak direct, positive effect on the C fluxes in AGs, emphasizing the divergent patterns of the C fluxes in TGs and AGs and their responses to climate change. Overall, this study enhances our knowledge on C sinks and various grassland hydrothermal sensitivities.
WOS关键词NET ECOSYSTEM EXCHANGE ; TERRESTRIAL ECOSYSTEMS ; SEMIARID ECOSYSTEMS ; DOMINANT ROLE ; CO2 EXCHANGE ; CLIMATE ; RESPIRATION ; VARIABILITY ; BALANCE ; FOREST
WOS研究方向Agriculture ; Forestry ; Meteorology & Atmospheric Sciences
出版者ELSEVIER
WOS记录号WOS:001124292200001
源URL[http://ir.igsnrr.ac.cn/handle/311030/201001]  
专题生态系统网络观测与模拟院重点实验室_外文论文
作者单位1.Shanxi Univ, Taiyuan 030006, Peoples R China
2.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Lanzhou 730000, Peoples R China
3.Northeast Normal Univ, Sch Life Sci, Changchun 130024, Peoples R China
4.Chinese Acad Sci, Northwest Inst Plateau Biol, Xining 810008, Peoples R China
5.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China
6.Beijing Normal Univ, Fac Geog Sci, State Key Lab Earth Surface Proc & Resource Ecol, Beijing 100875, Peoples R China
7.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, 11A Datun Rd, Beijing 100101, Peoples R China
8.Chinese Acad Sci, Inst Subtrop Agr, Key Lab Agroecol Proc Subtrop Reg, Changsha 410125, Peoples R China
9.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Key Lab Remote Sensing Gansu Prov, Heihe Remote Sensing Expt Res Stn, Lanzhou 730000, Peoples R China
10.Tianjin Univ, Tianjin Bohai Rim Coastal Earth Crit Zone Natl Obs, Tianjin 300072, Peoples R China
推荐引用方式
GB/T 7714		 Liu, Zhaogang,Chen, Zhi,Yang, Meng,et al. Precipitation consistently promotes, but temperature oppositely drives carbon fluxes in temperate and alpine grasslands in China[J]. AGRICULTURAL AND FOREST METEOROLOGY,2024,344:109811.
APA Liu, Zhaogang.,Chen, Zhi.,Yang, Meng.,Hao, Tianxiang.,Yu, Guirui.,...&Zhu, Zhilin.(2024).Precipitation consistently promotes, but temperature oppositely drives carbon fluxes in temperate and alpine grasslands in China.AGRICULTURAL AND FOREST METEOROLOGY,344,109811.
MLA Liu, Zhaogang,et al."Precipitation consistently promotes, but temperature oppositely drives carbon fluxes in temperate and alpine grasslands in China".AGRICULTURAL AND FOREST METEOROLOGY 344(2024):109811.

入库方式： OAI收割

来源：地理科学与资源研究所

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