About: Methanogenic system of a small lowland stream Sitka, Czech Republic

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.intechopen.com/books/biomass-now-cultivation-and-utilization/methanogenic-system-of-a-small-lowland-stream-sitka-czech-republic
Description	Paper summarizes results of a longterm study on methanogen dynamics in hyporheic sediments of a small lowland stream Sitka. By use of various molecular methods we have shown that both methanogenic archaea and aerobic methanotrophs can be quantitatively dominant components of hyporheic biofilm community and may affect CH4 cycling in river sediments. Fluxes of CH4 from supersaturated interstitial sediments appear to be a main CH4 source toward the water column. Compared with CH4 production rates, the diffusive fluxes are very low due to efficient aerobic oxidation by methanotrophic bacteria, especially during higher flow discharges. Although fluxes to the atmosphere from the Sitka stream seems to be insignificant, they are comparable or higher in comparison with fluxes from other aquatic ecosystems, especially those measured in running waters. Finally, our results suggest that the Sitka Stream is a source of methane into the atmosphere, and loss of carbon via the fluxes of this greenhouse gas out into the ecosystem can participate significantly in river self-purification. Paper summarizes results of a longterm study on methanogen dynamics in hyporheic sediments of a small lowland stream Sitka. By use of various molecular methods we have shown that both methanogenic archaea and aerobic methanotrophs can be quantitatively dominant components of hyporheic biofilm community and may affect CH4 cycling in river sediments. Fluxes of CH4 from supersaturated interstitial sediments appear to be a main CH4 source toward the water column. Compared with CH4 production rates, the diffusive fluxes are very low due to efficient aerobic oxidation by methanotrophic bacteria, especially during higher flow discharges. Although fluxes to the atmosphere from the Sitka stream seems to be insignificant, they are comparable or higher in comparison with fluxes from other aquatic ecosystems, especially those measured in running waters. Finally, our results suggest that the Sitka Stream is a source of methane into the atmosphere, and loss of carbon via the fluxes of this greenhouse gas out into the ecosystem can participate significantly in river self-purification. (en)
Title	Methanogenic system of a small lowland stream Sitka, Czech Republic Methanogenic system of a small lowland stream Sitka, Czech Republic (en)
skos:prefLabel	Methanogenic system of a small lowland stream Sitka, Czech Republic Methanogenic system of a small lowland stream Sitka, Czech Republic (en)
skos:notation	RIV/61989592:15310/13:33148283!RIV14-GA0-15310___
http://linked.open...avai/predkladatel	Přírodovědecká fakulta
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA526/09/1639)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Rulík, Martin Brablcová, Lenka Buriánková, Iva Mach, Václav Badurová, Pavlína Bednařík, Adam
http://linked.open.../riv/druhVysledku	C - Kapitola v knize
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	87537
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/13:33148283
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	methanogenesis, methane, river sediments, methanogens methanotrophy (en)
http://linked.open.../riv/klicoveSlovo	river sediments methanogenesis methane methanogens methanotrophy
http://linked.open...ontrolniKodProRIV	[D9C32C839BE7]
http://linked.open...i/riv/mistoVydani	Rijeka
http://linked.open...i/riv/nazevZdroje	Biomass now - cultivation and utilization
http://linked.open...in/vavai/riv/obor	EH
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...v/pocetStranKnihy	448 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Linking biogeochemisty of methane and molecular detection of methanogens and methanotrophs in river sediments.
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Rulík, Martin Mach, Václav Badurová, Pavlína Bednařík, Adam Brablcová, Lenka Buriánková, Iva Gratzová, Kristýna
number of pages	31 (xsd:int)
http://bibframe.org/vocab/doi	10.5772/3437
http://purl.org/ne...btex#hasPublisher	InTech
https://schema.org/isbn	978-953-51-1106-1
http://localhost/t...ganizacniJednotka	15310

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