The measurement of yearly C-, N- and CH4 balance in characteristic Hungarian wetland ecosystems. Preliminary results

Szilárd Czóbel, L. Horváth, Tibor Szerdahelyi, János Nagy, Orsolya Szirmai, Bernadett Gál, Dániel Cserhalmi, Gábor Fogarassy, Zsolt Urmös, Evelin Ramóna Péli, Balázs Grosz

Research output: Contribution to journalArticle

Abstract

Wetlands macro-vegetation plays an important role in bio-filtration processes. Global warming is anticipated to modify many water ecosystems of the Earth. In submerged plants especially, the photosynthetic rate may be limited by a low availability of dissolved inorganic carbon. Our study demonstrates one of the first results for stand Net Ecosystem CO2 Exchange (NEE) rates for characteristic European aquatic vegetation types based on in situ measurements. To measure NEE of aquatic (floating and submerged) associations at stand level a self-developed, portable, floating open chamber system (d=60cm) was used. Soil fluxes of methane and nitrous oxide were also determined for different wetland ecosystems representing a moisture gradient in Bodrogköz wetlands. As the direction of N2O and methane fluxes (emission or uptake) depends on the soil water content characteristics bi-directional fluxes were observed. Our study demonstrated, based on production analyses and NEE measurements, that from the carbon-dioxide point of view the lakes and streams characterized by significant living plant biomass can be counted as a carbon sequester on a yearly horizon due to the intensive carbon sequestration of submerged and floating vegetations. The majority of examined fluxes and parameters varied considerably among the studied years.

Original languageEnglish
Pages (from-to)213-216
Number of pages4
JournalActa Biologica Szegediensis
Volume52
Issue number1
Publication statusPublished - 2008

Fingerprint

Wetlands
Ecosystems
Ecosystem
wetlands
carbon dioxide
ecosystems
Fluxes
Carbon
Methane
methane production
nitrous oxide
Soil
Carbon Sequestration
biofiltration
Biofiltration
Global Warming
Soils
vegetation
submerged aquatic plants
Water

Keywords

  • Balance
  • Carbon-dioxide
  • Measurement
  • Methane
  • Nitrous oxide
  • Wetland

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Czóbel, S., Horváth, L., Szerdahelyi, T., Nagy, J., Szirmai, O., Gál, B., ... Grosz, B. (2008). The measurement of yearly C-, N- and CH4 balance in characteristic Hungarian wetland ecosystems. Preliminary results. Acta Biologica Szegediensis, 52(1), 213-216.

The measurement of yearly C-, N- and CH4 balance in characteristic Hungarian wetland ecosystems. Preliminary results. / Czóbel, Szilárd; Horváth, L.; Szerdahelyi, Tibor; Nagy, János; Szirmai, Orsolya; Gál, Bernadett; Cserhalmi, Dániel; Fogarassy, Gábor; Urmös, Zsolt; Péli, Evelin Ramóna; Grosz, Balázs.

In: Acta Biologica Szegediensis, Vol. 52, No. 1, 2008, p. 213-216.

Research output: Contribution to journalArticle

Czóbel, S, Horváth, L, Szerdahelyi, T, Nagy, J, Szirmai, O, Gál, B, Cserhalmi, D, Fogarassy, G, Urmös, Z, Péli, ER & Grosz, B 2008, 'The measurement of yearly C-, N- and CH4 balance in characteristic Hungarian wetland ecosystems. Preliminary results', Acta Biologica Szegediensis, vol. 52, no. 1, pp. 213-216.
Czóbel, Szilárd ; Horváth, L. ; Szerdahelyi, Tibor ; Nagy, János ; Szirmai, Orsolya ; Gál, Bernadett ; Cserhalmi, Dániel ; Fogarassy, Gábor ; Urmös, Zsolt ; Péli, Evelin Ramóna ; Grosz, Balázs. / The measurement of yearly C-, N- and CH4 balance in characteristic Hungarian wetland ecosystems. Preliminary results. In: Acta Biologica Szegediensis. 2008 ; Vol. 52, No. 1. pp. 213-216.
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