Počet záznamů: 1

Effect of CO2 enrichment on phytoplankton photosynthesis in the North Atlantic sub-tropical gyre

SYSNO ASEP	0484794
Druh ASEP	J - Článek v odborném periodiku
Zařazení RIV	J - Článek v odborném periodiku
Poddruh J	Článek ve WOS
Název	Effect of CO2 enrichment on phytoplankton photosynthesis in the North Atlantic sub-tropical gyre
Tvůrce(i)	Tilstone, G. (GB) Šedivá, Blanka (MBU-M)_ORCID Tarran, G. (GB) Kaňa, Radek (MBU-M)_{RID, ORCID} Prášil, Ondřej (MBU-M)_{RID, ORCID}
Zdroj.dok.	Progress in Oceanography. - : Elsevier - ISSN 0079-6611 Roč. 158, SI (2017), s. 76-89
Poč.str.	14 s.
Jazyk dok.	eng - angličtina
Země vyd.	GB - Velká Británie
Klíč. slova	CO2 enrichment ; Picoeukaryotes ; Dinoflagellates
Vědní obor RIV	EE - Mikrobiologie, virologie
Obor OECD	Microbiology
CEP	ED2.1.00/03.0110 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy
	GA206/08/1683 GA ČR - Grantová agentura ČR
Institucionální podpora	MBU-M - RVO:61388971
UT WOS	000418978400006
DOI	10.1016/j.pocean.2016.12.005
Anotace	he effects of changes in CO2 concentration in seawater on phytoplankton community structure and photosynthesis were studied in the North Atlantic sub-tropical gyre. Three shipboard incubations were conducted for 48 h at similar to 760 ppm CO2 and control (360 ppm CO2) from 49 degrees N to 7 degrees N during October and November 2010. Elevated CO2 caused a decrease in pH to similar to 7.94 compared to similar to 8.27 in the control. During one experiment, the biomass of nano-and picoeukaryotes increased under CO2 enrichment, but primary production decreased relative to the control. In two of the experiments the biomass was dominated by dinoflagellates, and there was a significant increase in the maximum photosynthetic rate (P-m(B)) and light-limited slope of photosynthesis (alpha(B)) at CO2 concentrations of 760 ppm relative to the controls. 77 K emission spectroscopy showed that the higher photosynthetic rates measured under CO2 enrichment increased the connection of reversible photosystem antennae, which resulted in an increase in light harvesting efficiency and carbon fixation.
Pracoviště	Mikrobiologický ústav
Kontakt	Eliška Spurná, eliska.spurna@biomed.cas.cz, Tel.: 241 062 231
Rok sběru	2018

Počet záznamů: 1