NEIGAE OpenIR  > 湿地与全球变化学科组
Short-term response of CO2 emissions to various leaf litters: a case study from freshwater marshes of Northeast China
C. Gong, C. C. Song, X. H. Zhang, W. W. Tan and T. H. Qiao; Song ZC(宋长春)
2017
Source PublicationWetlands Ecology and Management
Volume25Issue:1Pages:119-128
AbstractSoil organic carbon (SOC) mineralization is an important process of carbon (C) cycling and budgeting associated with litter decomposition in terrestrial ecosystems. Research on altered plant-derived C input on soil C stability due to climate change is controversial and there remains considerable uncertainty in predicting soil C dynamics with the techniques currently available. In this study, we conducted a laboratory incubation experiment to test the effects of single- and mixed-Deyeuxia angustifolia (DA) and Carex lasiocarpa (CL) leaf litter addition on cumulative marshland soil CO2 emission under waterlogged and non-waterlogged conditions in Sanjiang Plain, Northeast China. Results showed that the cumulative CO2 emissions were significantly increased after leaf litter addition in both water conditions, and that the effect was more pronounced for DA amendment than CL regardless of water condition. The cumulative CO2 efflux differed considerably between water conditions after DA addition, whereas no significant differences were found after CL addition. Remarkably impact of leaf litter types on cumulative CO2 evolution was observed overall, water condition and interactions between leaf litter types and water conditions had no significant effect on CO2 emissions, however. There were no non-additive effects of individual leaf litter type on total CO2 efflux of the mixed-leaf litter addition treatments. The results of this study indicate that plant litter input to the C-rich marshy soil can induce rapid changes in SOC decomposition regardless of water conditions and that plant residue effects should be taken into consideration when assessing the dynamics of wetland soil system to the future climate scenarios.
DOI10.1007/s11273-016-9506-y
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Document Type期刊论文
Identifierhttp://ir.iga.ac.cn/handle/131322/7597
Collection湿地与全球变化学科组
Corresponding AuthorSong ZC(宋长春)
Recommended Citation
GB/T 7714
C. Gong, C. C. Song, X. H. Zhang, W. W. Tan and T. H. Qiao,Song ZC. Short-term response of CO2 emissions to various leaf litters: a case study from freshwater marshes of Northeast China[J]. Wetlands Ecology and Management,2017,25(1):119-128.
APA C. Gong, C. C. Song, X. H. Zhang, W. W. Tan and T. H. Qiao,&宋长春.(2017).Short-term response of CO2 emissions to various leaf litters: a case study from freshwater marshes of Northeast China.Wetlands Ecology and Management,25(1),119-128.
MLA C. Gong, C. C. Song, X. H. Zhang, W. W. Tan and T. H. Qiao,et al."Short-term response of CO2 emissions to various leaf litters: a case study from freshwater marshes of Northeast China".Wetlands Ecology and Management 25.1(2017):119-128.
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