Plant impact on the coupled terrestrial biogeochemical cycles of silicon and carbon: Implications for biogeochemical carbon sequestration

Song, Zhaoliang, Wang, Hailong, Strong, P. James, Li, Zimin and Jiang, Peikun (2012) Plant impact on the coupled terrestrial biogeochemical cycles of silicon and carbon: Implications for biogeochemical carbon sequestration. Earth-Science Reviews, 115 4: 319-331. doi:10.1016/j.earscirev.2012.09.006


Author Song, Zhaoliang
Wang, Hailong
Strong, P. James
Li, Zimin
Jiang, Peikun
Title Plant impact on the coupled terrestrial biogeochemical cycles of silicon and carbon: Implications for biogeochemical carbon sequestration
Journal name Earth-Science Reviews   Check publisher's open access policy
ISSN 0012-8252
1872-6828
Publication date 2012-12-01
Sub-type Critical review of research, literature review, critical commentary
DOI 10.1016/j.earscirev.2012.09.006
Open Access Status Not Open Access
Volume 115
Issue 4
Start page 319
End page 331
Total pages 13
Place of publication Amsterdam, Netherlands
Publisher Elsevier
Language eng
Subject 1900 Earth and Planetary Sciences
Formatted abstract
The coupled terrestrial biogeochemical cycles of silicon (Si) and carbon (C) that are driven by plant action play a crucial role in the regulation of atmospheric CO2. Generally, the processes involved in the coupled cycles of Si and C include plant-enhanced silicate weathering, phytolith formation and solubilization, secondary aluminosilicate accumulation, phytolith occlusion of C as well as physico-chemical protection of organic C in soils. There is increasing evidence of biological pumping of Si in terrestrial ecosystems, suggesting that complex feedbacks exist amongst the processes within the coupled Si and C cycles. Recent advances in the coupled Si and C cycles offer promising new possibilities for enhancing atmospheric CO2 sequestration. Organic mulching, rock powder amendment, cultivating Si-accumulating plants and partial plant harvesting are potential measures that may allow for long-term manipulation and biogeochemical sequestration of atmospheric CO2 in soil-plant systems. 
Keyword Biogeochemical cycle
Carbon
Carbon sequestration
Plant impact
Silicon
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Critical review of research, literature review, critical commentary
Collection: School of Civil Engineering Publications
 
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