Transitory effects of elevated atmospheric CO2 on fine root dynamics in an arid ecosystem do not increase long-term soil carbon input from fine root litter
Version of Record online: 1 MAR 2011
© 2011 The Authors. New Phytologist © 2011 New Phytologist Trust
Volume 190, Issue 4, pages 953–967, June 2011
How to Cite
Ferguson, S. D. and Nowak, R. S. (2011), Transitory effects of elevated atmospheric CO2 on fine root dynamics in an arid ecosystem do not increase long-term soil carbon input from fine root litter. New Phytologist, 190: 953–967. doi: 10.1111/j.1469-8137.2011.03654.x
- Issue online: 11 MAY 2011
- Version of Record online: 1 MAR 2011
- Received: 6 October 2010, Accepted: 6 January 2011
Methods S1 Minirhizotron sampling and processing details – additional details about capturing and processing root images collected by the minirhizotron camera system as well as quality control efforts to minimize and document two potential sources of measurement error, errors in calibrating the camera system and in variation among people who digitized images.
Fig. S1 Additional information on soil water content in portions of the soil profile that most closely match those used in fine-root analyses.
Figs S2–S4 Fine root standing crop at three soil depth intervals for the three sampling locations (near shrubs of Ambrosia dumosa, and of Larrea tridentata, plus systematically through the plant community) at the Nevada desert FACE (free-air CO2 enrichment) facility (NDFF).
Table S1 Complete ANOVA results for analysis of annual fine root production and turnover indices
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