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Statements

Subject Item
n2:RIV%2F60076658%3A12310%2F13%3A43885380%21RIV14-GA0-12310___
rdf:type
n19:Vysledek skos:Concept
rdfs:seeAlso
http://download.springer.com/static/pdf/755/art%253A10.1007%252Fs10021-013-9637-4.pdf?auth66=1389909870_ba2cb4766d7ed711207edde0037ce4d5&ext=.pdf
dcterms:description
Natural peatlands are known as an important source of methane (CH4). However, most peatlands in Central Europe were drained for forestry purposes in the past and some of them have been recently restored, both having a strong impact on CH4 emissions. The main aim of our study was to determine the effect of long-term drainage (a few decades) and hydrological restoration (3 years) on CH4 emissions, potential CH4 production and on the methanogenic Archaea community in different types of peatlands under various hydrological regimes. For this purpose, CH4 emissions together with biotic and abiotic variables were measured over three growing seasons, in vitro potential CH4 production was determined, and qPCR and DGGE fingerprinting were used for methanogenic community description in three ombrotrophic bogs (pristine, drained, restored) and two fens (pristine, drained) located in the umava National Park within the Bohemian Forest, Czech Republic. The highest CH4 emissions, CH4 potential production, and the highest diversity of the methanogenic community were observed in the pristine fen and bog. In the frame of interannual variability, a drought period seemed to play an important role in seasonal CH4 fluxes. Plant species composition together with water table seemed to be the most important factors controlling CH4 emission. Drainage led to a significant decrease in CH4 emissions, potential CH4 production, and the abundance and diversity of methanogens as compared to pristine sites. These post-drainage changes were more obvious in the fen site than on bog sites. However, none of the measured parameters showed significant changes during the 3 years after rewetting. We assume that the restored hydrology was not the main factor controlling CH4 emissions and other factors such as vegetation composition and input of available substrate for methanogenic community were more important. Natural peatlands are known as an important source of methane (CH4). However, most peatlands in Central Europe were drained for forestry purposes in the past and some of them have been recently restored, both having a strong impact on CH4 emissions. The main aim of our study was to determine the effect of long-term drainage (a few decades) and hydrological restoration (3 years) on CH4 emissions, potential CH4 production and on the methanogenic Archaea community in different types of peatlands under various hydrological regimes. For this purpose, CH4 emissions together with biotic and abiotic variables were measured over three growing seasons, in vitro potential CH4 production was determined, and qPCR and DGGE fingerprinting were used for methanogenic community description in three ombrotrophic bogs (pristine, drained, restored) and two fens (pristine, drained) located in the umava National Park within the Bohemian Forest, Czech Republic. The highest CH4 emissions, CH4 potential production, and the highest diversity of the methanogenic community were observed in the pristine fen and bog. In the frame of interannual variability, a drought period seemed to play an important role in seasonal CH4 fluxes. Plant species composition together with water table seemed to be the most important factors controlling CH4 emission. Drainage led to a significant decrease in CH4 emissions, potential CH4 production, and the abundance and diversity of methanogens as compared to pristine sites. These post-drainage changes were more obvious in the fen site than on bog sites. However, none of the measured parameters showed significant changes during the 3 years after rewetting. We assume that the restored hydrology was not the main factor controlling CH4 emissions and other factors such as vegetation composition and input of available substrate for methanogenic community were more important.
dcterms:title
Methane Emissions and Methanogenic Archaea on Pristine, Drained and Restored Mountain Peatlands, Central Europe Methane Emissions and Methanogenic Archaea on Pristine, Drained and Restored Mountain Peatlands, Central Europe
skos:prefLabel
Methane Emissions and Methanogenic Archaea on Pristine, Drained and Restored Mountain Peatlands, Central Europe Methane Emissions and Methanogenic Archaea on Pristine, Drained and Restored Mountain Peatlands, Central Europe
skos:notation
RIV/60076658:12310/13:43885380!RIV14-GA0-12310___
n19:predkladatel
n20:orjk%3A12310
n3:aktivita
n12:S n12:P
n3:aktivity
P(GA526/09/1545), S
n3:cisloPeriodika
4
n3:dodaniDat
n21:2014
n3:domaciTvurceVysledku
n16:8271119 n16:5851114 n16:2180502
n3:druhVysledku
n8:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
87535
n3:idVysledku
RIV/60076658:12310/13:43885380
n3:jazykVysledku
n4:eng
n3:klicovaSlova
peatland; restoration; drainage; methanogenic Archaea; methane; fen; bog
n3:klicoveSlovo
n6:methanogenic%20Archaea n6:fen n6:drainage n6:methane n6:restoration n6:peatland n6:bog
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[95753F409756]
n3:nazevZdroje
Ecosystems
n3:obor
n17:EH
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n14:GA526%2F09%2F1545
n3:rokUplatneniVysledku
n21:2013
n3:svazekPeriodika
16
n3:tvurceVysledku
Bárta, Jiří Urbanová, Zuzana Picek, Tomáš
n3:wos
000318998500011
s:issn
1432-9840
s:numberOfPages
14
n5:doi
10.1007/s10021-013-9637-4
n10:organizacniJednotka
12310