Arable lands

Eszter Tóth, Zoltán Barcza, Márta Birkás, Györgyi Gelybó, József Zsembeli, László Bottlik, Kenneth J. Davis, László Haszpra, Anikó Kern, Natascha Kljun, Sándor Koós, Györgyi Kovács, Attila Stingli, Csilla Farkas

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations


An overview of carbon dioxide (CO2) exchange and soil respiration measurements is given for representative Hungarian agroecosystems. We present results of long-term atmosphere/biosphere CO2 exchange measurements carried out at the Hungarian tall tower site (Hegyhá tsál). Tall tower net ecosystem exchange (NEE) measurements provided consistent estimates of landscape-wide carbon dioxide dynamics. During 1997-2008, the region mostly behaved as a net CO2 sink on annual scale. Year-round NEE was in the range of-352 ± 49 g C m-2 year-1 and 43 ± 9 g C m-2 year-1 (negative values indicate uptake). The measurements are representative to a mixture of arable lands with small contribution from other biome types. Effects of different soil tillage methods-applied in two long-term tillage experiments (Józsefmajor, Karcag) and in a peach orchard (Vác)-on soil CO 2 emission are also introduced. Soil respiration rate highly depended on the depth of soil disturbance and on the date of the measurements; CO 2 emissions measured immediately after tillage applications and during the vegetation period showed contradictory tendencies. Results obtained from a newly developed laboratory CO2 emission measurement method indicated strong coherences between soil carbon dioxide fluxes and soil water potential values.

Original languageEnglish (US)
Title of host publicationAtmospheric Greenhouse Gases
Subtitle of host publicationThe Hungarian Perspective
PublisherSpringer Netherlands
Number of pages41
ISBN (Print)9789048199495
StatePublished - 2011

All Science Journal Classification (ASJC) codes

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


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