| |
| Web URL(s): | http://www.blackwell-synergy.com/doi/pdf/10.1046/j.1469-8137.1997.00804.x
Last checked: 02/16/2006
Requires: PDF Reader |
|---|
| Publication Type:
| Refereed |
|---|
| Author(s): | Fitter, A. H.;
Graves, J. D.;
Wolfenden, J.;
Self, G. K.;
Brown, T. K.;
Bogie, D.;
Mansfield, T. A. |
|---|
| Author Affiliation: | Fitter, Graves, Self, Brown, & Bogie: Department of Biology, University of York, York YO1 5YW, UK. Wolfenden & Mansfield: Institute of Environmental Sciences, Lancaster University, Lancaster LA1 4YO, UK. |
|---|
| Title: | Root production and turnover and carbon budgets of two contrasting grasslands under ambient and elevated atmospheric carbon dioxide concentrations |
|---|
| Source: | New Phytologist. Vol. 137, No. 2, October 1997, p. 247-255. |
|---|
| Publishing Information: | Oxford, England: Cambridge University Press. |
|---|
| # of Pages: | 9 |
|---|
| Keywords: | TIC Keywords: Root growth; Grasslands; Carbon dioxide; Biomass; Carbon dioxide enrichment; Respiration rate; Nitrogen level; Carbon; Mycorrhizal fungi
|
|---|
| Abstract/Contents: | "Monoliths of two contrasting vegetation types, a species-rich grassland on a brown earth soil over limestone and a species-poor community on a peaty gley, were transferred to solardomes and grown under ambient (350 μl l⁻¹) and elevated (600 μl l⁻¹) CO₂ for 2 yr. Shoot biomass was unaltered but root biomass increased by 40-50% under elevated CO₂. Root production was increased by elevated CO₂ in the peat soil, measured both as instantaneous and cumulative rates, but only the latter measure was increased in the limestone soil. Root growth was stimulated more at 6 cm depth than at 10 cm in the limestone soil. Turnover was faster under elevated CO₂ in the peat soil, but there was only a small effect on turnover in the limestone soil. Elevated CO₂ reduced nitrogen concentration in roots and might have increased mycorrhizal colonization. Respiration rate was correlated with N concentration, and was therefore lower in roots grown at elevated CO₂. Estimates of the C budget of the two communities, based upon root production and on net C uptake, suggest that C sequestration in the peat soil increases by c. 0.2 kg C m⁻² yr⁻¹ (= 2 t ha yr⁻¹) under elevated CO₂." |
|---|
| Language: | English |
|---|
| References: | 25 |
|---|
| See Also: | Other items relating to: Carbon sequestration of turf |
|---|
| Note: | Tables
Graphs |
|---|
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Fitter, A. H., J. D. Graves, J. Wolfenden, G. K. Self, T. K. Brown, D. Bogie, et al. 1997. Root production and turnover and carbon budgets of two contrasting grasslands under ambient and elevated atmospheric carbon dioxide concentrations. New Phytol. 137(2):p. 247-255. |
| Fastlink to access this record outside TGIF: https://tic.msu.edu/tgif/flink?recno=44630 |
| If there are problems with this record, send us feedback about record 44630. |
| Choices for finding the above item: |
|---|
| Web URL(s):
http://www.blackwell-synergy.com/doi/pdf/10.1046/j.1469-8137.1997.00804.x
Last checked: 02/16/2006
Requires: PDF Reader |
| 
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) |
