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Determining phytolith-occluded organic carbon sequestration using an upgraded optimized extraction method: indicating for a missing carbon pool
Han, Ning1,2; Yang, Yufei3; Gao, Yang1,2; Hao, Zhuo1,2; Tian, Jing1,2; Yang, Tiantian4; Song, Xianwei1
2018-08-01
Source PublicationENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
ISSN0944-1344
Volume25Issue:24Pages:24507-24515
Corresponding AuthorYang, Yufei(yangyf@craes.org.cn) ; Gao, Yang(gaoyang@igsnrr.ac.cn)
AbstractPhytolith-occluded organic carbon (PhytOC) is considered one of the most promising terrestrial carbon (C) sinks. Different methods are used for phytolith extraction from wet-ashing techniques and the subsequent determination of PhytOC content from soil. This is in order to optimize the wet-ashing techniques and to improve estimation accuracy of C sequestration potential of phytoliths from soil. Results show that the organic matter removal and carbonate removal protocol, applying sonication, has a significant effect on phytolith extraction. Namely, the sequential removal of first organic matter and then carbonates applied to such methods could eliminate greater than 17.14, 46.68, and 26.17% extraneous material compared to other methods. Moreover, phytoliths extracted using methods that apply sonication eliminated 7.49, 42.70, and 17.57% more extraneous material than methods that did not. Additionally, the procedure associated with the second oxidation step significantly influenced the determination of PhytOC content, that is, 29.34, 33.75, 26.41, and 64.64% of excess organic C were oxidized during this step. The upgraded optimal method we recommend for phytolith extraction in association with wet-ashing techniques and the subsequent determination of PhytOC content is therefore to first apply sonication, then the second oxidation step, and finally the removal of organic matter. Using this optimal upgraded method, we estimated the C sequestration potential of phytoliths from the soil of slash pine in China at 0.51 Mt. C. Furthermore, using this upgraded optimal method increased the precision of the carbon sequestration potential of phytoliths from soil by up to 63.83%.
KeywordWet ashing Phytolith Extraction PhytOC stocks Carbon pool
DOI10.1007/s11356-018-2706-7
WOS KeywordMICROWAVE DIGESTION ; HARVESTED GRASSES ; ANCIENT CARBON ; PLANT-MATERIAL ; HEAVY LIQUID ; SOIL ; OXIDATION ; SILICA ; SONOCHEMISTRY ; TRANSPORT
Indexed BySCI
Language英语
Funding ProjectNational Nature Science Foundation of China[31570465] ; National Nature Science Foundation of China[41571130043] ; National Key Research Program of China[2016YFC0500202] ; Youth Innovation Promotion Association CAS
Funding OrganizationNational Nature Science Foundation of China ; National Key Research Program of China ; Youth Innovation Promotion Association CAS
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000441784000090
PublisherSPRINGER HEIDELBERG
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/54395
Collection中国科学院地理科学与资源研究所
Corresponding AuthorYang, Yufei; Gao, Yang
Affiliation1.Chinese Acad Sci, Key Lab Ecosyst Network Observat & Modeling, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China
3.Chinese Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Beijing 100012, Peoples R China
4.Univ Calif Irvine, Dept Civil & Environm Engn, Irvine, CA 92697 USA
Recommended Citation
GB/T 7714
Han, Ning,Yang, Yufei,Gao, Yang,et al. Determining phytolith-occluded organic carbon sequestration using an upgraded optimized extraction method: indicating for a missing carbon pool[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2018,25(24):24507-24515.
APA Han, Ning.,Yang, Yufei.,Gao, Yang.,Hao, Zhuo.,Tian, Jing.,...&Song, Xianwei.(2018).Determining phytolith-occluded organic carbon sequestration using an upgraded optimized extraction method: indicating for a missing carbon pool.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,25(24),24507-24515.
MLA Han, Ning,et al."Determining phytolith-occluded organic carbon sequestration using an upgraded optimized extraction method: indicating for a missing carbon pool".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 25.24(2018):24507-24515.
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