Plant stable isotope composition across habitat gradients in a semi-arid savanna: implications for environmental reconstruction
Article first published online: 23 APR 2013
Copyright © 2013 John Wiley & Sons, Ltd.
Journal of Quaternary Science
Volume 28, Issue 3, pages 301–310, April 2013
How to Cite
CODRON, J., LEE-THORP, J. A., SPONHEIMER, M. and CODRON, D. (2013), Plant stable isotope composition across habitat gradients in a semi-arid savanna: implications for environmental reconstruction. J. Quaternary Sci., 28: 301–310. doi: 10.1002/jqs.2614
- Issue published online: 23 APR 2013
- Article first published online: 23 APR 2013
- Manuscript Accepted: 2 DEC 2012
- Manuscript Revised: 17 OCT 2012
- Manuscript Received: 23 MAY 2012
Additional supporting information can be found in the online version of this article:
Table S1. Stable isotope data for plant taxa and plant parts (including forbs) and the environmental context of each specimin.
Table S2. Seasonally distinct regression models evaluating species and climate effects on the isotope composition of C3 trees and C4 grass (see Table 1 of the main text).
Table S3. Regression models evaluating relationships between C3 forb isotope composition with nutritional composition (%N, and C/N ratio), and with local climate regime across sampling sites, habitats, seasons and years.
Table S4. Relationships between δ13C and δ15N values of herbivore faeces with regional and monthly rainfall trends in Kruger Park.
Fig. S1. Effects of habitat type, season, total seasonal rainfall (mm), and mean seasonal temperature (average of daily maximum °C for the season), and %N of foliage on stable carbon (a–d) and nitrogen (e–h) isotope composition of C3 forbs.
Fig. S3. Comparison of stable carbon and nitrogen isotope compositions across different organs of the same individual plants.
Appendix S1. Linking rainfall with isotope composition of herbivore faeces.
Appendix S2. Isotope comparisons across plant parts.
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