About: Temperature dependences of carbon assimilation processes in four dominant species from mountain grassland ecosystem

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Temperature responses of carbon assimilation processes were studied in four dominant species from mountain grassland ecosystem, i.e. Holcus mollis (L.), Hypericum maculatum (Cr.), Festuca rubra (L.), and Nardus stricta (L.), using the gas exchange technique. Leaf temperature (T L) of all species was adjusted within the range 13--30 °C using the Peltier thermoelectric cooler. The temperature responses of metabolic processes were subsequently modelled using the Arrhenius exponential function involving the temperature coefficient Q 10. The expected increase of global temperature led to a significant increase of dark respiration rate (R D; Q 10 = 2.0), maximum carboxylation rate (V Cmax; Q 10 = 2.2), and maximum electron transport rate (J max; Q 10 = 1.6) in dominant species of mountain grassland ecosystems. Contrariwise, the ratio between J max and V Cmax linearly decreased with T L [y = minus 0.884 T L + 5.24; r 2 = 0.78]. Hence temperature did not control the ratio between intercellular and ambient CO2 Temperature responses of carbon assimilation processes were studied in four dominant species from mountain grassland ecosystem, i.e. Holcus mollis (L.), Hypericum maculatum (Cr.), Festuca rubra (L.), and Nardus stricta (L.), using the gas exchange technique. Leaf temperature (T L) of all species was adjusted within the range 13--30 °C using the Peltier thermoelectric cooler. The temperature responses of metabolic processes were subsequently modelled using the Arrhenius exponential function involving the temperature coefficient Q 10. The expected increase of global temperature led to a significant increase of dark respiration rate (R D; Q 10 = 2.0), maximum carboxylation rate (V Cmax; Q 10 = 2.2), and maximum electron transport rate (J max; Q 10 = 1.6) in dominant species of mountain grassland ecosystems. Contrariwise, the ratio between J max and V Cmax linearly decreased with T L [y = minus 0.884 T L + 5.24; r 2 = 0.78]. Hence temperature did not control the ratio between intercellular and ambient CO2 (en)
Title	Temperature dependences of carbon assimilation processes in four dominant species from mountain grassland ecosystem Temperature dependences of carbon assimilation processes in four dominant species from mountain grassland ecosystem (en)
skos:prefLabel	Temperature dependences of carbon assimilation processes in four dominant species from mountain grassland ecosystem Temperature dependences of carbon assimilation processes in four dominant species from mountain grassland ecosystem (en)
skos:notation	RIV/62156489:43410/07:00115831!RIV11-MSM-43410___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...iv/cisloPeriodika	45
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Marek, Michal Vladimír
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Mendelova univerzita v Brně / Lesnická a dřevařská fakulta
http://linked.open...dnocenehoVysledku	454487
http://linked.open...ai/riv/idVysledku	RIV/62156489:43410/07:00115831
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	respiration; stomatal conductance; carboxylation rate; photosynthesis (en)
http://linked.open.../riv/klicoveSlovo	stomatal conductance carboxylation rate photosynthesis respiration
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[2B095713CE8E]
http://linked.open...i/riv/nazevZdroje	Photosynthetica
http://linked.open...in/vavai/riv/obor	GK
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...UplatneniVysledku	2007
http://linked.open...iv/tvurceVysledku	Kalina, Jiří Urban, Otmar Marek, Michal V. Šprtová, Mirka Priwitzer, T. Ač, A. Špunda, CSc., doc. RNDr. Vladimír
http://linked.open...ain/vavai/riv/wos	248975800009
issn	0300-3604
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	43410
is http://linked.open...avai/riv/vysledek of	Temperature dependences of carbon assimilation processes in four dominant species from mountain grassland ecosystem Temperature dependences of carbon assimilation processes in four dominant species from mountain grassland ecosystem

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