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Title: Fine root heterogeneity by branch order: exploring the discrepancy in root turnover estimates between minirhizotron and carbon isotopic methods

Author: Guo, Dali; Li, Harbin; Mitchell, Robert J.; Wenxuan, Han; Hendricks, Joseph J.; Fahey, Timothy J.; Hendrick, Ronald L.;

Date: 2008

Source: New Phytologist (2008) 177: 443?456

Publication Series: Miscellaneous Publication

Description: Fine 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.

Keywords: carbon isotope, ecosystem carbon balance, fine roots, minirhizotron, root branch order, root longevity, root turnover

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Guo, 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

 


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