IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Effects of afforestation on soil CH4 and N2O fluxes in a nsubtropical karst landscape
Chen, Ping1,3,4; Zhou, Minghua2; Wang, Shijie1,4; Luo, Weijun1,4; Peng, Tao1,4; Zhu, Bo2; Wang, Tao2
2020-02-25
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
EISSN1879-1026
Volume705Pages:135974
SubtypeArticle
Contribution Rank2
AbstractAfforestation is of importance for terrestrial carbon sequestration as well as soil and water conservation in karst landscapes. However, few studies have evaluated the effects of afforestation on soil CH4 and N2O emissions in subtropical karst areas. Thus, a year-round field experiment was conducted to quantify the effects of afforestation on soil CH(4)( )and N2O fluxes from a subtropical karst landscape in South China. In this study, soil CH4 and N2O fluxes were simultaneously monitored using static chamber-gas chromatography from three paired sites, including a cropland site (SC) and adjacent sites at two stages of afforestation, a shrubland (SD) and a woodland (AF). The results showed that annual soil CH4 uptake for SC, SD, and AF sites were 1.53 +/- 0.20 kg C ha(-1) yr(-1), 2.90 +/- 020 kg C ha(-1) yr(-1), and 5.68 +/- 0.18 kg C ha(-1) yr(-1), respectively. Afforestation (i.e., SD and AF sites) significantly increased soil CH4 uptake compared with the adjacent cropland. Annual soil N2O fluxes for SC, SD, and AF sites were 2.38 +/- 0.17 kg N ha(-1) yr(-1) , 0.94 +/- 0.14 kg N ha(-1) yr(-1), and 0.47 +/- 0.01 kg N ha(-1) yr(-1), respectively. Afforestation significantly decreased soil N2O fluxes compared with the adjacent cropland. The effects of afforestation on soil CH4 and N2O fluxes in the present study were mainly attributed to changes in soil characteristics, such as temperature and moisture, as these were significantly correlated with soil CH4 and N2O fluxes across different experimental sites. The present study highlights that afforestation is an effective land use management practice to mitigate non-CO2 greenhouse gas emissions from subtropical karst landscapes in South China. (C) 2019 Elsevier B.V. All rights reserved.
KeywordLand use change Afforestation Methane Nitrous oxide Karst area
DOI10.1016/j.scitotenv.2019.135974
Indexed BySCI
WOS KeywordNITROUS-OXIDE EMISSIONS ; GREENHOUSE-GAS EMISSIONS ; DIFFERENT LAND USES ; METHANE OXIDATION ; AGRICULTURAL LANDSCAPE ; EUROPEAN SOILS ; NET EXCHANGE ; CO2 ; FOREST ; CLIMATE
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000508129700153
PublisherELSEVIER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/33754
Collection山地表生过程与生态调控重点实验室
Corresponding AuthorZhou, Minghua
Affiliation1.Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang 550081, Peoples R China;
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Surface Proc & Ecol Regulat, Chengdu 610041, Peoples R China;
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China;
4.Chinese Acad Sci, Puding Karst Ecosyst Res Stn, Puding 562100, Peoples R China
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Chen, Ping,Zhou, Minghua,Wang, Shijie,et al. Effects of afforestation on soil CH4 and N2O fluxes in a nsubtropical karst landscape[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2020,705:135974.
APA Chen, Ping.,Zhou, Minghua.,Wang, Shijie.,Luo, Weijun.,Peng, Tao.,...&Wang, Tao.(2020).Effects of afforestation on soil CH4 and N2O fluxes in a nsubtropical karst landscape.SCIENCE OF THE TOTAL ENVIRONMENT,705,135974.
MLA Chen, Ping,et al."Effects of afforestation on soil CH4 and N2O fluxes in a nsubtropical karst landscape".SCIENCE OF THE TOTAL ENVIRONMENT 705(2020):135974.
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