Soil respiration under climate warming: differential response of heterotrophic and autotrophic respiration

doi:10.1111/gcb.12620

	Soil respiration under climate warming: differential response of heterotrophic and autotrophic respiration
	Wang, Xin 1; Liu, Lingli; Piao, Shilong 2; Janssens, Ivan A.; Tang, Jianwu 4; Liu, Weixing ; Chi, Yonggang ; Wang, Jing 1; Xu, Shan 1
	2014
发表期刊	GLOBAL CHANGE BIOLOGY
ISSN	1354-1013
卷号	20 期号:10 页码:3229-3237
摘要	Despite decades of research, how climate warming alters the global flux of soil respiration is still poorly characterized. Here, we use meta-analysis to synthesize 202 soil respiration datasets from 50 ecosystem warming experiments across multiple terrestrial ecosystems. We found that, on average, warming by 2 degrees C increased soil respiration by 12% during the early warming years, but warming-induced drought partially offset this effect. More significantly, the two components of soil respiration, heterotrophic respiration and autotrophic respiration showed distinct responses. The warming effect on autotrophic respiration was not statistically detectable during the early warming years, but nonetheless decreased with treatment duration. In contrast, warming by 2 degrees C increased heterotrophic respiration by an average of 21%, and this stimulation remained stable over the warming duration. This result challenged the assumption that microbial activity would acclimate to the rising temperature. Together, our findings demonstrate that distinguishing heterotrophic respiration and autotrophic respiration would allow us better understand and predict the long-term response of soil respiration to warming. The dependence of soil respiration on soil moisture condition also underscores the importance of incorporating warming-induced soil hydrological changes when modeling soil respiration under climate change.
关键词	acclimation apparent Q10 ecosystem warming forest grassland mediterranean meta-analysis soil moisture tundra warming duration
学科领域	Biodiversity Conservation ; Ecology ; Environmental Sciences
DOI	10.1111/gcb.12620
收录类别	SCI
语种	英语
WOS关键词	ECOSYSTEM CARBON FLUXES ; CO2 EFFLUX ; TEMPERATURE SENSITIVITY ; MICROBIAL RESPIRATION ; THERMAL ADAPTATION ; ELEVATED CO2 ; FOREST ; CYCLE ; COMPONENTS ; WATER
WOS研究方向	Biodiversity & Conservation ; Environmental Sciences & Ecology
WOS记录号	WOS:000342168500019
出版者	WILEY
文献子类	Article
出版地	HOBOKEN
EISSN	1365-2486
资助机构	Chinese National Key Development Program for Basic Research [2013CB956304, 2014CB954003] ; National Natural Science Foundation of China [13263A1001] ; National 1000 Young Talents Program
作者邮箱	lingli.liu@ibcas.ac.cn
引用统计	被引频次：230[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/27172
专题	植被与环境变化国家重点实验室
作者单位	1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Peking Univ, Dept Ecol, Coll Urban & Environm Sci, Beijing 100871, Peoples R China 4.Janssens, Ivan A.] Univ Antwerp, Dept Biol, Res Grp Plant & Vegetat Ecol, B-2610 Antwerp, Belgium 5.Marine Biol Lab, Ecosyst Ctr, Woods Hole, MA 02543 USA
推荐引用方式 GB/T 7714	Wang, Xin,Liu, Lingli,Piao, Shilong,et al. Soil respiration under climate warming: differential response of heterotrophic and autotrophic respiration[J]. GLOBAL CHANGE BIOLOGY,2014,20(10):3229-3237.
APA	Wang, Xin.,Liu, Lingli.,Piao, Shilong.,Janssens, Ivan A..,Tang, Jianwu.,...&Xu, Shan.(2014).Soil respiration under climate warming: differential response of heterotrophic and autotrophic respiration.GLOBAL CHANGE BIOLOGY,20(10),3229-3237.
MLA	Wang, Xin,et al."Soil respiration under climate warming: differential response of heterotrophic and autotrophic respiration".GLOBAL CHANGE BIOLOGY 20.10(2014):3229-3237.

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