干旱区生态环境知识资源中心(Arid): Relationship between basal soil respiration and the temperature sensitivity of soil respiration and their key controlling factors across terrestrial ecosystems

Arid

DOI	10.1007/s11368-021-03130-7
	Relationship between basal soil respiration and the temperature sensitivity of soil respiration and their key controlling factors across terrestrial ecosystems
	Chen, Shutao; Zhang, Miaomiao; Zou, Jianwen; Hu, Zhenghua
通讯作者	Chen, ST (corresponding author)，Nanjing Univ Informat Sci & Technol, Sch Appl Meteorol, Nanjing 210044, Peoples R China.
来源期刊	JOURNAL OF SOILS AND SEDIMENTS
ISSN	1439-0108
EISSN	1614-7480
出版年	2022
卷号	22 期号:3 页码:769-781
英文摘要	Purpose The purposes of this study are to characterize the relationship between basal soil respiration at 0 degrees C (R-0) and the temperature sensitivity (Q(10)) of soil respiration and climate, soil, and vegetation factors and to establish R-0 and Q(10) models. Materials and methods We compiled R-0 and Q(10) and variables (i.e., climate factors, soil properties, and vegetation characteristics) that were measured in various terrestrial ecosystems. Results and discussion The results showed that both R-0 and Q(10) could generally be fitted by a normal distribution curve across various ecosystems, but they varied greatly among the different ecosystems. The lowest median R-0 and Q(10) appeared in the desert, while the highest median R-0 and Q(10) appeared in the deciduous broad-leaf forest and deciduous needle-leaf forest ecosystems, respectively. The relationship between R-0 and Q(10) across different soil depths varied among the different ecosystems, with the highest and lowest R-2 occurring in the cropland (R-2 = 0.701) and evergreen needle-leaf forest (R-2 = 0.095), respectively. A model that included Q(10), fine root production and the ratio of soil organic carbon to total nitrogen (TN) explained 75.0% (R-2 = 0.750) of the variation in R-0, with a P value less than 0.001. Q(10) was further expressed as a model (R-2 = 0.663, P < 0.001) including annual precipitation, mean air temperature, TN, bulk density, and leaf area index. Conclusions Our R-0 models can potentially be used to improve terrestrial carbon cycle models by considering the comprehensive effects of Q(10) and soil and vegetation factors.
英文关键词	Basal respiration Carbon quality Temperature sensitivity (Q(10)) Climate Soil properties Vegetation characteristics
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000739244500001
WOS关键词	ORGANIC-MATTER DECOMPOSITION ; CARBON STORAGE ; CO2 EMISSIONS ; VEGETATION TYPES ; CLIMATE ; QUALITY ; GROWTH ; MINERALIZATION ; DEPENDENCE ; PATTERNS
WOS类目	Environmental Sciences ; Soil Science
WOS研究方向	Environmental Sciences & Ecology ; Agriculture
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/376619
作者单位	[Chen, Shutao; Zhang, Miaomiao; Hu, Zhenghua] Nanjing Univ Informat Sci & Technol, Sch Appl Meteorol, Nanjing 210044, Peoples R China; [Zou, Jianwen] Nanjing Agr Univ, Coll Resources & Environm Sci, Nanjing 210095, Peoples R China
推荐引用方式 GB/T 7714	Chen, Shutao,Zhang, Miaomiao,Zou, Jianwen,et al. Relationship between basal soil respiration and the temperature sensitivity of soil respiration and their key controlling factors across terrestrial ecosystems[J],2022,22(3):769-781.
APA	Chen, Shutao,Zhang, Miaomiao,Zou, Jianwen,&Hu, Zhenghua.(2022).Relationship between basal soil respiration and the temperature sensitivity of soil respiration and their key controlling factors across terrestrial ecosystems.JOURNAL OF SOILS AND SEDIMENTS,22(3),769-781.
MLA	Chen, Shutao,et al."Relationship between basal soil respiration and the temperature sensitivity of soil respiration and their key controlling factors across terrestrial ecosystems".JOURNAL OF SOILS AND SEDIMENTS 22.3(2022):769-781.