| |
DOI: | 10.1046/j.1469-8137.2002.00480.x |
Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1046/j.1469-8137.2002.00480.x/full Last checked: 02/14/2014 Access conditions: Item is within a limited-access website http://onlinelibrary.wiley.com/doi/10.1046/j.1469-8137.2002.00480.x/pdf Last checked: 02/14/2014 Requires: PDF Reader Access conditions: Item is within a limited-access website |
Publication Type:
| Refereed |
Author(s): | Helliker, Brent R.;
Ehleringer, James R. |
Author Affiliation: | Department of Biology, University of Utah, Salt Lake City, UT |
Title: | Grass blades as tree rings: Environmentally induced changes in the oxygen isotope ratio of cellulose along the length of grass blades |
Source: | New Phytologist. Vol. 155, No. 3, September 2002, p. 417-424. |
Publishing Information: | Oxford, England: Blackwell Publishing, for the New Phytologist Trust |
# of Pages: | 8 |
Related Web URL: | http://onlinelibrary.wiley.com/doi/10.1046/j.1469-8137.2002.00480.x/abstract Last checked: 02/14/2014 Notes: Abstract only |
Keywords: | TIC Keywords: Leaves; Oxygen isotope ratio; Cellulose; Relative humidity; Lolium multiflorum; Organic matter
|
Abstract/Contents: | "In this study we tested the hypothesis that environmentally induced changes in the oxygen isotope ratio of leaf water are recorded in grass blade cellulose during leaf-blade expansion. Grasses were grown hydroponically in chambers that allowed for control of relative humidity while keeping isotopic inputs (namely source water) constant. In experiments where relative humidity was changed from 35% to 93% during grass blade expansion, a 10% shift in cellulose δ18O was observed along single grass blades of Lolium multiflorum. However, statistically significant changes were not detectable with relative humidity of 93% to 70%. It is shown that grass blades, analogously to tree rings, record environmental change on an interseasonal basis. In light of this, care must be taken to compare leaves of the same developmental stage to avoid confusion of environmental effects with physiological effects in interpretations of leaf organic material δ18O. The results presented here confirm the ability of the current empirical models to predict the oxygen isotope ratio of cellulose in both grass blades that expanded in constant and variable growth conditions." |
Language: | English |
References: | 28 |
Note: | Graphs Figures |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Helliker, B. R., and J. R. Ehleringer. 2002. Grass blades as tree rings: Environmentally induced changes in the oxygen isotope ratio of cellulose along the length of grass blades. New Phytol. 155(3):p. 417-424. |
| Fastlink to access this record outside TGIF: https://tic.msu.edu/tgif/flink?recno=82143 |
| If there are problems with this record, send us feedback about record 82143. |
| Choices for finding the above item: |
| DOI: 10.1046/j.1469-8137.2002.00480.x |
| Web URL(s): http://onlinelibrary.wiley.com/doi/10.1046/j.1469-8137.2002.00480.x/full Last checked: 02/14/2014 Access conditions: Item is within a limited-access website http://onlinelibrary.wiley.com/doi/10.1046/j.1469-8137.2002.00480.x/pdf Last checked: 02/14/2014 Requires: PDF Reader Access conditions: Item is within a limited-access website |
| MSU catalog number: QK 1 .N38 |
| Find from within TIC: Digitally in TIC by record number. |
| Request through your local library's inter-library loan service (bring or send a copy of this TGIF record) |