Photosynthesis, growth and density for the dominant species in a CO2-enriched grassland

R. B. Jackson, Y. Luo, Z. G. Cardon, Osvaldo Sala, C. B. Field, H. A. Mooney

Research output: Chapter in Book/Report/Conference proceedingChapter

34 Citations (Scopus)

Abstract

Avena barbata in the field showed little evidence of photosynthetic downregulation with elevated CO2 at the end of the growing season (differences between treatments <10%). Glasshouse studies also showed little evidence for downregulation of photosynthesis measured at various light and intercellular CO2 concentrations. Although specific leaf mass (leaf mass per unit leaf area) for Avena increased 20% in the field with elevated CO2, leaf nitrogen concentrations decreased 25%, resulting in an 11% reduction in leaf N on a leaf-area basis. For the relatively wet 1993 growing season, A. barbata increased its size and reproduction c30% in elevated CO2, with a 21% decrease in population density. For the relatively dry 1994 season density was almost doubled in elevated CO2, but increases in individual size and reproduction with CO2 were small (6-18%). The primary effect of CO2 in the drier year appears to have been greater Avena survival, rather than increased individual size. -from Authors

Original languageEnglish (US)
Title of host publicationJournal of Biogeography
Pages221-225
Number of pages5
Volume22
Edition2-3
StatePublished - 1995
Externally publishedYes

Fingerprint

photosynthesis
grassland
leaf area
growing season
wet season
population density
nitrogen

ASJC Scopus subject areas

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

Cite this

Jackson, R. B., Luo, Y., Cardon, Z. G., Sala, O., Field, C. B., & Mooney, H. A. (1995). Photosynthesis, growth and density for the dominant species in a CO2-enriched grassland. In Journal of Biogeography (2-3 ed., Vol. 22, pp. 221-225)

Photosynthesis, growth and density for the dominant species in a CO2-enriched grassland. / Jackson, R. B.; Luo, Y.; Cardon, Z. G.; Sala, Osvaldo; Field, C. B.; Mooney, H. A.

Journal of Biogeography. Vol. 22 2-3. ed. 1995. p. 221-225.

Research output: Chapter in Book/Report/Conference proceedingChapter

Jackson, RB, Luo, Y, Cardon, ZG, Sala, O, Field, CB & Mooney, HA 1995, Photosynthesis, growth and density for the dominant species in a CO2-enriched grassland. in Journal of Biogeography. 2-3 edn, vol. 22, pp. 221-225.
Jackson RB, Luo Y, Cardon ZG, Sala O, Field CB, Mooney HA. Photosynthesis, growth and density for the dominant species in a CO2-enriched grassland. In Journal of Biogeography. 2-3 ed. Vol. 22. 1995. p. 221-225
Jackson, R. B. ; Luo, Y. ; Cardon, Z. G. ; Sala, Osvaldo ; Field, C. B. ; Mooney, H. A. / Photosynthesis, growth and density for the dominant species in a CO2-enriched grassland. Journal of Biogeography. Vol. 22 2-3. ed. 1995. pp. 221-225
@inbook{da1abb8caf974acb9980cf936aec4313,
title = "Photosynthesis, growth and density for the dominant species in a CO2-enriched grassland",
abstract = "Avena barbata in the field showed little evidence of photosynthetic downregulation with elevated CO2 at the end of the growing season (differences between treatments <10{\%}). Glasshouse studies also showed little evidence for downregulation of photosynthesis measured at various light and intercellular CO2 concentrations. Although specific leaf mass (leaf mass per unit leaf area) for Avena increased 20{\%} in the field with elevated CO2, leaf nitrogen concentrations decreased 25{\%}, resulting in an 11{\%} reduction in leaf N on a leaf-area basis. For the relatively wet 1993 growing season, A. barbata increased its size and reproduction c30{\%} in elevated CO2, with a 21{\%} decrease in population density. For the relatively dry 1994 season density was almost doubled in elevated CO2, but increases in individual size and reproduction with CO2 were small (6-18{\%}). The primary effect of CO2 in the drier year appears to have been greater Avena survival, rather than increased individual size. -from Authors",
author = "Jackson, {R. B.} and Y. Luo and Cardon, {Z. G.} and Osvaldo Sala and Field, {C. B.} and Mooney, {H. A.}",
year = "1995",
language = "English (US)",
volume = "22",
pages = "221--225",
booktitle = "Journal of Biogeography",
edition = "2-3",

}

TY - CHAP

T1 - Photosynthesis, growth and density for the dominant species in a CO2-enriched grassland

AU - Jackson, R. B.

AU - Luo, Y.

AU - Cardon, Z. G.

AU - Sala, Osvaldo

AU - Field, C. B.

AU - Mooney, H. A.

PY - 1995

Y1 - 1995

N2 - Avena barbata in the field showed little evidence of photosynthetic downregulation with elevated CO2 at the end of the growing season (differences between treatments <10%). Glasshouse studies also showed little evidence for downregulation of photosynthesis measured at various light and intercellular CO2 concentrations. Although specific leaf mass (leaf mass per unit leaf area) for Avena increased 20% in the field with elevated CO2, leaf nitrogen concentrations decreased 25%, resulting in an 11% reduction in leaf N on a leaf-area basis. For the relatively wet 1993 growing season, A. barbata increased its size and reproduction c30% in elevated CO2, with a 21% decrease in population density. For the relatively dry 1994 season density was almost doubled in elevated CO2, but increases in individual size and reproduction with CO2 were small (6-18%). The primary effect of CO2 in the drier year appears to have been greater Avena survival, rather than increased individual size. -from Authors

AB - Avena barbata in the field showed little evidence of photosynthetic downregulation with elevated CO2 at the end of the growing season (differences between treatments <10%). Glasshouse studies also showed little evidence for downregulation of photosynthesis measured at various light and intercellular CO2 concentrations. Although specific leaf mass (leaf mass per unit leaf area) for Avena increased 20% in the field with elevated CO2, leaf nitrogen concentrations decreased 25%, resulting in an 11% reduction in leaf N on a leaf-area basis. For the relatively wet 1993 growing season, A. barbata increased its size and reproduction c30% in elevated CO2, with a 21% decrease in population density. For the relatively dry 1994 season density was almost doubled in elevated CO2, but increases in individual size and reproduction with CO2 were small (6-18%). The primary effect of CO2 in the drier year appears to have been greater Avena survival, rather than increased individual size. -from Authors

UR - http://www.scopus.com/inward/record.url?scp=0029513240&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0029513240&partnerID=8YFLogxK

M3 - Chapter

AN - SCOPUS:0029513240

VL - 22

SP - 221

EP - 225

BT - Journal of Biogeography

ER -