Modelling net photosynthetic rate of temperate dry grassland species and winter wheat at elevated air CO2 concentration

N. Harnos, Z. Nagy, J. Balogh, Z. Tuba

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A number of C3 temperate dry grassland species and winter wheat plants were grown in open top chambers either at 365 μmol mol-1 (AC) or at 700 μmol mol-1 (EC) air CO2 concentrations. Gas exchange measurements were made at several air CO2 concentrations. When measured at higher CO2 concentrations, net photosynthetic rate was higher in plants grown at EC than at AC. The widely accepted Farquhar net photosynthesis model was parameterized and tested using several observed data. After parameterization the test results corresponded satisfactorily with observed values under several environmental conditions.

Original languageEnglish
Pages (from-to)47-53
Number of pages7
JournalApplied Ecology and Environmental Research
Volume4
Issue number2
Publication statusPublished - 2006

Fingerprint

winter wheat
wheat
grasslands
grassland
carbon dioxide
air
open-top chamber
winter
gas exchange
modeling
parameterization
photosynthesis
environmental conditions
oxidoreductases
environmental factors
rate
testing
test

Keywords

  • Modelling
  • Photosynthesis
  • Temperate grasses
  • Winter wheat

ASJC Scopus subject areas

  • Ecology
  • Environmental Science(all)

Cite this

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AU - Harnos, N.

AU - Nagy, Z.

AU - Balogh, J.

AU - Tuba, Z.

PY - 2006

Y1 - 2006

N2 - A number of C3 temperate dry grassland species and winter wheat plants were grown in open top chambers either at 365 μmol mol-1 (AC) or at 700 μmol mol-1 (EC) air CO2 concentrations. Gas exchange measurements were made at several air CO2 concentrations. When measured at higher CO2 concentrations, net photosynthetic rate was higher in plants grown at EC than at AC. The widely accepted Farquhar net photosynthesis model was parameterized and tested using several observed data. After parameterization the test results corresponded satisfactorily with observed values under several environmental conditions.

AB - A number of C3 temperate dry grassland species and winter wheat plants were grown in open top chambers either at 365 μmol mol-1 (AC) or at 700 μmol mol-1 (EC) air CO2 concentrations. Gas exchange measurements were made at several air CO2 concentrations. When measured at higher CO2 concentrations, net photosynthetic rate was higher in plants grown at EC than at AC. The widely accepted Farquhar net photosynthesis model was parameterized and tested using several observed data. After parameterization the test results corresponded satisfactorily with observed values under several environmental conditions.

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KW - Temperate grasses

KW - Winter wheat

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