Temperature affects the size-structure of phytoplankton communities in the ocean

Handle URI:
http://hdl.handle.net/10754/575646
Title:
Temperature affects the size-structure of phytoplankton communities in the ocean
Authors:
López-Urrutia, Ángel; Moran, Xose Anxelu G. ( 0000-0002-9823-5339 )
Abstract:
The strong inverse correlation between resource availability and temperature in the ocean poses a challenge to determine the relative effect of these two variables on the size-structure of natural phytoplankton communities. Maranon et al (2012) compiled a dataset of concurrent temperature and resource level proxies that they claim disentangled the effect of temperature from that of resource supply. They concluded that the hypothesis that temperature per se plays a direct role in controlling phytoplankton size structure should be rejected. But our reanalysis of their data reaches a very different conclusion and suggests that they failed to separate the effects of temperature from the effects of resources. Although we obviously concur with Maranon et al (2012) in the long-known predominance of small phytoplankton cells under oligotrophic conditions, from our point of view this should not deter us from considering temperature as an important explanatory variable at a global scale since we show that, for the vast oligotrophic areas of the world's oceans where chlorophyll concentrations are below <1 g L-1 temperature explains a high proportion of the variability in the size distribution of phytoplankton communities, a variability that can not be explained on the basis of the resource level proxies advocated by Maranon et al. (2012).
KAUST Department:
Biological and Environmental Sciences and Engineering (BESE) Division; Marine Science Program; Marine Science Program; Microbial oceanography Research Group
Publisher:
Wiley-Blackwell
Journal:
Limnology and Oceanography
Issue Date:
5-Mar-2015
DOI:
10.1002/lno.10049
Type:
Article
ISSN:
0024-3590
Sponsors:
This work was funded by project Predicting the metabolic balance of the oceans (METOCA, CTM2009-13882-MAR) and Coastal Ocean Microbial communities and Temperature (COMITE, CTM2010-15840) funded by Spanish National Investigation+Development+Innovation (I+D+I) Plan.
Appears in Collections:
Articles; Red Sea Research Center (RSRC); Marine Science Program; Biological and Environmental Sciences and Engineering (BESE) Division

Full metadata record

DC FieldValue Language
dc.contributor.authorLópez-Urrutia, Ángelen
dc.contributor.authorMoran, Xose Anxelu G.en
dc.date.accessioned2015-08-24T08:34:56Zen
dc.date.available2015-08-24T08:34:56Zen
dc.date.issued2015-03-05en
dc.identifier.issn0024-3590en
dc.identifier.doi10.1002/lno.10049en
dc.identifier.urihttp://hdl.handle.net/10754/575646en
dc.description.abstractThe strong inverse correlation between resource availability and temperature in the ocean poses a challenge to determine the relative effect of these two variables on the size-structure of natural phytoplankton communities. Maranon et al (2012) compiled a dataset of concurrent temperature and resource level proxies that they claim disentangled the effect of temperature from that of resource supply. They concluded that the hypothesis that temperature per se plays a direct role in controlling phytoplankton size structure should be rejected. But our reanalysis of their data reaches a very different conclusion and suggests that they failed to separate the effects of temperature from the effects of resources. Although we obviously concur with Maranon et al (2012) in the long-known predominance of small phytoplankton cells under oligotrophic conditions, from our point of view this should not deter us from considering temperature as an important explanatory variable at a global scale since we show that, for the vast oligotrophic areas of the world's oceans where chlorophyll concentrations are below <1 g L-1 temperature explains a high proportion of the variability in the size distribution of phytoplankton communities, a variability that can not be explained on the basis of the resource level proxies advocated by Maranon et al. (2012).en
dc.description.sponsorshipThis work was funded by project Predicting the metabolic balance of the oceans (METOCA, CTM2009-13882-MAR) and Coastal Ocean Microbial communities and Temperature (COMITE, CTM2010-15840) funded by Spanish National Investigation+Development+Innovation (I+D+I) Plan.en
dc.publisherWiley-Blackwellen
dc.titleTemperature affects the size-structure of phytoplankton communities in the oceanen
dc.typeArticleen
dc.contributor.departmentBiological and Environmental Sciences and Engineering (BESE) Divisionen
dc.contributor.departmentMarine Science Programen
dc.contributor.departmentMarine Science Programen
dc.contributor.departmentMicrobial oceanography Research Groupen
dc.identifier.journalLimnology and Oceanographyen
dc.contributor.institutionCentro Oceanográfico de Gijón, Instituto Español de Oceanografía; Gijón/Xixón Asturias Spainen
kaust.authorMoran, Xose Anxelu G.en
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