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Title:Temperature dependence of planktonic metabolism in the subtropical North Atlantic Ocean
Authors:ID Garcia-Corral, L.S. (Author)
ID Barber, E. (Author)
ID Regaudie-de_Gioux, A. (Author)
ID Sal, S. (Author)
ID Holding, J.M. (Author)
ID Agusti, S. (Author)
ID Navarro, N. (Author)
ID Serret, P. (Author)
ID Mozetič, Patricija (Author)
ID Duarte, Carlos M. (Author)
Files:URL URL - Source URL, visit http://www.biogeosciences.net/11/4529/2014/bg-11-4529-2014.html
 
.pdf PDF - Presentation file, download (3,21 MB)
MD5: B2A7ADDA15BE67BF84DFDE752D33DFF5
 
URL URL - Source URL, visit http://dx.doi.org/10.5194/bg-11-4529-2014
 
Language:English
Typology:1.01 - Original Scientific Article
Organization:Logo NIB - National Institute of Biology
Abstract:The temperature dependence of planktonic metabolism in the subtropical North Atlantic Ocean was assessed on the basis of measurements of gross primary production (GPP), community respiration (CR) and net community production (NCP), as well as experimental assessments of the response of CR to temperature manipulations. Metabolic rates were measured at 68 stations along three consecutive longitudinal transects completed during the Malaspina 2010 Expedition, in three different seasons. Temperature gradients were observed in depth and at basin and seasonal scale. The results showed seasonal variability in the metabolic rates, the highest rates being observed during the spring transect. The overall mean integrated GPP / CR ratio was 1.39 ± 0.27 decreasing from winter to summer, and the NCP for the subtropical North Atlantic Ocean during the cruises exhibits net autotrophy (NCP > 0) in about two-thirds (66%) of the total sampled communities. Also, we reported the activation energies describing the temperature dependence of planktonic community metabolism, which was generally higher for CR than for GPP in the subtropical North Atlantic Ocean, as the metabolic theory of ecology predicts. Furthermore, we made a comparison of activation energies describing the responses to in situ temperature in the field (EaCR = 1.64 ± 0.36 eV) and those derived experimentally by temperature manipulations (EaCR = 1.45 ± 0.6 eV), which showed great consistency.
Keywords:morje, plankton, fitoplankton, klorofil, trofični status, anoksije
Publication status:Published
Publication version:Version of Record
Publication date:27.08.2014
Year of publishing:2014
Number of pages:str. 4529-4540
Numbering:Vol. 11, no. 1
PID:20.500.12556/DiRROS-19999 New window
UDC:574
ISSN on article:1726-4170
DOI:10.5194/bg-11-4529-2014 New window
COBISS.SI-ID:3191887 New window
Note:Izv. znanstv. članek;
Publication date in DiRROS:01.08.2024
Views:420
Downloads:440
Metadata:XML DC-XML DC-RDF
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GARCIA-CORRAL, L.S., BARBER, E., REGAUDIE-DE_GIOUX, A., SAL, S., HOLDING, J.M., AGUSTI, S., NAVARRO, N., SERRET, P., MOZETIČ, Patricija and DUARTE, Carlos M., 2014, Temperature dependence of planktonic metabolism in the subtropical North Atlantic Ocean. Biogeosciences [online]. 2014. Vol. 11, no. 1, p. 4529–4540. [Accessed 28 March 2025]. DOI 10.5194/bg-11-4529-2014. Retrieved from: https://dirros.openscience.si/IzpisGradiva.php?lang=eng&id=19999
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Record is a part of a journal

Title:Biogeosciences
Shortened title:Biogeosciences
Publisher:Copernicus
ISSN:1726-4170
COBISS.SI-ID:3667320 New window

Document is financed by a project

Funder:Other - Other funder or multiple funders
Funding programme:INGENIO 2010 CONSOLIDER program
Project number:CDS2008-00077

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License:CC BY 3.0, Creative Commons Attribution 3.0 Unported
Link:https://creativecommons.org/licenses/by/3.0/deed.en
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