ORIGINAL RESEARCH
Sedge Community (Caricetum elatae) Carbon
Dioxide Exchange Seasonal Parameters
in a Wetland
Bogdan H. Chojnicki1,2, Maria Michalak1, Natalia Konieczna1, Janusz Olejnik1,3
1Meteorology Department, Poznan University of Life Sciences,
Piątkowska 94, 60-649 Poznań, Poland
2Institute for Agricultural and Forest Environment, Polish Academy of Science,
Bukowska 19, 60-809 Poznań, Poland
3Department of Matter and Energy Fluxes, Global Change Research Center, A
S CR, v.v.i. Brno, Czech Republic
Piątkowska 94, 60-649 Poznań, Poland
2Institute for Agricultural and Forest Environment, Polish Academy of Science,
Bukowska 19, 60-809 Poznań, Poland
3Department of Matter and Energy Fluxes, Global Change Research Center, A
S CR, v.v.i. Brno, Czech Republic
Pol. J. Environ. Stud. 2012;21(3):579–587
KEYWORDS
ABSTRACT
Our paper presents the results of simultaneous measurements of carbon dioxide fluxes using non-steady
state non-through flow chamber method and the amount of green biomass above the ground surface in the
sedge community Carex elatea. The comparison of the results of the research allowed us to estimate the
amount of carbon dioxide accumulated in green plant biomass. It was concluded that a maximum of 28% of
carbon absorbed in the process of photosynthesis was accumulated in green part biomass. The carbon uptake
per unit of carbon of green biomass at the beginning of the vegetative season amounted to 491.2 μg·g-1·MJ-1·d-1, whereas at the end of the vegetative season it dropped to 49.1 μg·g-1·MJ-1·d-1.
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