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Fine root heterogeneity by branch order: exploring the discrepancy in root turnover estimates between minirhizotron and carbon isotopic methodsAuthor(s): Dali Guo; Harbin Li; Robert J. Mitchell; Han Wenxuan; Joseph J. Hendricks; Timothy J. Fahey; Ronald L. Hendrick
Source: New Phytologist (2008) 177: 443?456
Publication Series: Miscellaneous Publication
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DescriptionFine roots constitute a large and dynamic component of the carbon cycles of terrestrial ecosystems. The reported fivefold discrepancy in turnover estimates between median longevity (ML) from minirhizotrons and mean residence time (MRT) using carbon isotopes may have global consequences.
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CitationGuo, Dali; Li, Harbin; Mitchell, Robert J.; Wenxuan, Han; Hendricks, Joseph J.; Fahey, Timothy J.; Hendrick, Ronald L. 2008. Fine root heterogeneity by branch order: exploring the discrepancy in root turnover estimates between minirhizotron and carbon isotopic methods. New Phytologist (2008) 177: 443?456
Keywordscarbon isotope, ecosystem carbon balance, fine roots, minirhizotron, root branch order, root longevity, root turnover
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