IB-CAS  > 植被与环境变化国家重点实验室
Soil respiration of four forests along elevation gradient in northern subtropical China
Ma, Mingzhe1; Zang, Zhenhua2; Xie, Zongqiang1; Chen, Quansheng; Xu, Wenting; Zhao, Changming; Shen, Guozhen1
2019
Source PublicationECOLOGY AND EVOLUTION
ISSN2045-7758
Volume9Issue:22Pages:12846-12857
AbstractBackground and aims Soil respiration is the second-largest terrestrial carbon (C) flux, and soil temperature and soil moisture are the main drivers of temporal variation in soil respiration and its components. Here, we quantified the contribution of soil temperature, soil moisture, and their intersection on the variation in soil respiration and its components of the evergreen broad-leaved forests (EBF), mixed evergreen and deciduous broad-leaved forests (MF), deciduous broad-leaved forests (DBF), and subalpine coniferous forests (CF) along an elevation gradient. Methods We measured soil respiration of four types of forests along the elevation gradient in Shennongjia, Hubei China based on the trenching experiments. We parameterized the relationships between soil respiration and soil temperature, soil moisture, and quantified the intersection of temperature and moisture on soil respiration and its components. Results Total soil respiration (R-S), heterotrophic respiration (R-H), and autotrophic respiration (R-A) were significantly correlated with soil temperature in all four forests. The Q(10) value of soil respiration significantly differed among the four types of forest, and the Q(10) was 3.06 for EBF, 3.75 for MF, 4.05 for DBF, and 4.49 for CF, respectively. The soil temperature explained 62%-81% of the variation in respiration, while soil temperature and soil moisture together explained 91%-97% of soil respiration variation for the four types of forests. The variation from the intersection of soil temperature and moisture were 12.1%-25.0% in R-S, 1.0%-7.0% in R-H,R- and 17.1%-19.6% in R-A,R- respectively. Conclusions Our results show that the temperature sensitivity (Q(10)) of soil respiration increased with elevation. The intersection between soil temperature and soil moisture had strong effects on soil respiration, especially in R-H. We demonstrated that the intersection effects between soil temperature and soil moisture on soil respiration were essential to understand the response of soil respiration and its components to climate change.
Keywordautotrophic respiration heterotrophic respiration intersection effect Q(10) soil moisture soil temperature
Subject AreaEcology ; Evolutionary Biology
DOI10.1002/ece3.5762
Indexed BySCI
Language英语
WOS KeywordCARBON-DIOXIDE EVOLUTION ; CO2 EFFLUX ; HETEROTROPHIC RESPIRATION ; TERRESTRIAL ECOSYSTEMS ; TEMPORAL VARIATION ; TEMPERATE FOREST ; ROOT RESPIRATION ; SEASONAL-CHANGES ; TROPICAL FOREST ; MOISTURE
WOS Research AreaEnvironmental Sciences & Ecology ; Evolutionary Biology
WOS IDWOS:000494583300001
PublisherWILEY
SubtypeArticle
Publication PlaceHOBOKEN
Funding OrganizationMinistry of Science and Technology of ChinaMinistry of Science and Technology, China [2015FY1103002] ; Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [30870416] ; National Key Research and Development Program of China [2016YFC0503101] ; Chinese Academy of SciencesChinese Academy of Sciences [QYZDY-SSW-SMC011-2]
Corresponding Author Emailsnj@ibcas.ac.cn
OAgold, Green Published
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Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ibcas.ac.cn/handle/2S10CLM1/19740
Collection植被与环境变化国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Beijing Forestry Univ, Key Lab Silviculture & Conservat, Minist Educ, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Ma, Mingzhe,Zang, Zhenhua,Xie, Zongqiang,et al. Soil respiration of four forests along elevation gradient in northern subtropical China[J]. ECOLOGY AND EVOLUTION,2019,9(22):12846-12857.
APA Ma, Mingzhe.,Zang, Zhenhua.,Xie, Zongqiang.,Chen, Quansheng.,Xu, Wenting.,...&Shen, Guozhen.(2019).Soil respiration of four forests along elevation gradient in northern subtropical China.ECOLOGY AND EVOLUTION,9(22),12846-12857.
MLA Ma, Mingzhe,et al."Soil respiration of four forests along elevation gradient in northern subtropical China".ECOLOGY AND EVOLUTION 9.22(2019):12846-12857.
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