Planktonic food web structure and trophic transfer efficiency along a productivity gradient in the tropical and subtropical Atlantic Ocean

Planktonic food web structure and trophic transfer efficiency along a productivity gradient in the tropical and subtropical Atlantic Ocean

19 pages, 11 figures, 5 tables, supplementary information https://doi.org/10.1038/s41598-019-38507-9

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Main Authors: Armengol, Laia, Calbet, Albert, Franchy, Gara, Rodríguez Santos, Adriana, Hernández León, Santiago
Other Authors: Ministerio de Economía y Competitividad (España)
Format: artículo biblioteca
Published: Springer Nature 2019-02
Online Access:http://hdl.handle.net/10261/177264
http://dx.doi.org/10.13039/501100003329
http://dx.doi.org/10.13039/501100000780
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spelling dig-icm-es-10261-1772642021-12-27T16:10:07Z Planktonic food web structure and trophic transfer efficiency along a productivity gradient in the tropical and subtropical Atlantic Ocean Armengol, Laia Calbet, Albert Franchy, Gara Rodríguez Santos, Adriana Hernández León, Santiago Ministerio de Economía y Competitividad (España) European Commission 19 pages, 11 figures, 5 tables, supplementary information https://doi.org/10.1038/s41598-019-38507-9 Oligotrophic and productive areas of the ocean differ in plankton community composition and biomass transfer efficiency. Here, we describe the plankton community along a latitudinal transect in the tropical and subtropical Atlantic Ocean. Prochlorococcus dominated the autotrophic community at the surface and mixed layer of oligotrophic stations, replaced by phototrophic picoeukaryotes and Synechococcus in productive waters. Depth-integrated biomass of microzooplankton was higher than mesozooplankton at oligotrophic stations, showing similar biomasses in productive waters. Dinoflagellates dominated in oligotrophic waters but ciliates dominated upwelling regions. In oligotrophic areas, microzooplankton consumed ca. 80% of the production, but ca. 66% in upwelling zones. Differences in microzooplankton and phytoplankton communities explain microzooplankton diel feeding rhythms: higher grazing rates during daylight in oligotrophic areas and diffuse grazing patterns in productive waters. Oligotrophic areas were more efficient at recycling and using nutrients through phytoplankton, while the energy transfer efficiency from nutrients to mesozooplankton appeared more efficient in productive waters. Our results support the classic paradigm of a shorter food web, and more efficient energy transfer towards upper food web levels in productive regions, but a microbially dominated, and very efficient, food web in oligotrophic regions. Remarkably, both models of food web exist under very high microzooplankton herbivory This research was funded by projects Migrants and Active Flux in the Atlantic Ocean (MAFIA, CTM2012-39587-C04-01) to S.H.L. and Daily feeding rhythms in marine microzooplankton (FERMI, CGL2014-59227-R; MINECO/FEDER, UE) to A.C. L.A. was funded with a doctoral fellowship (BES-2013-063148) from the MINECO of Spain Peer Reviewed 2019-03-05T10:38:46Z 2019-03-05T10:38:46Z 2019-02 2019-03-05T10:38:46Z artículo http://purl.org/coar/resource_type/c_6501 e-issn: 2045-2322 Scientific Reports 9: 2044 (2019) http://hdl.handle.net/10261/177264 10.1038/s41598-019-38507-9 http://dx.doi.org/10.13039/501100003329 http://dx.doi.org/10.13039/501100000780 30765793 #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CGL2014-59227-R Publisher's version https://doi.org/10.1038/s41598-019-38507-9 Sí open Springer Nature
institution ICM ES
collection DSpace
country España
countrycode ES
component Bibliográfico
access En linea
databasecode dig-icm-es
tag biblioteca
region Europa del Sur
libraryname Biblioteca del ICM España
description 19 pages, 11 figures, 5 tables, supplementary information https://doi.org/10.1038/s41598-019-38507-9
author2 Ministerio de Economía y Competitividad (España)
author_facet Ministerio de Economía y Competitividad (España)
Armengol, Laia
Calbet, Albert
Franchy, Gara
Rodríguez Santos, Adriana
Hernández León, Santiago
format artículo
author Armengol, Laia
Calbet, Albert
Franchy, Gara
Rodríguez Santos, Adriana
Hernández León, Santiago
spellingShingle Armengol, Laia
Calbet, Albert
Franchy, Gara
Rodríguez Santos, Adriana
Hernández León, Santiago
Planktonic food web structure and trophic transfer efficiency along a productivity gradient in the tropical and subtropical Atlantic Ocean
author_sort Armengol, Laia
title Planktonic food web structure and trophic transfer efficiency along a productivity gradient in the tropical and subtropical Atlantic Ocean
title_short Planktonic food web structure and trophic transfer efficiency along a productivity gradient in the tropical and subtropical Atlantic Ocean
title_full Planktonic food web structure and trophic transfer efficiency along a productivity gradient in the tropical and subtropical Atlantic Ocean
title_fullStr Planktonic food web structure and trophic transfer efficiency along a productivity gradient in the tropical and subtropical Atlantic Ocean
title_full_unstemmed Planktonic food web structure and trophic transfer efficiency along a productivity gradient in the tropical and subtropical Atlantic Ocean
title_sort planktonic food web structure and trophic transfer efficiency along a productivity gradient in the tropical and subtropical atlantic ocean
publisher Springer Nature
publishDate 2019-02
url http://hdl.handle.net/10261/177264
http://dx.doi.org/10.13039/501100003329
http://dx.doi.org/10.13039/501100000780
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AT calbetalbert planktonicfoodwebstructureandtrophictransferefficiencyalongaproductivitygradientinthetropicalandsubtropicalatlanticocean
AT franchygara planktonicfoodwebstructureandtrophictransferefficiencyalongaproductivitygradientinthetropicalandsubtropicalatlanticocean
AT rodriguezsantosadriana planktonicfoodwebstructureandtrophictransferefficiencyalongaproductivitygradientinthetropicalandsubtropicalatlanticocean
AT hernandezleonsantiago planktonicfoodwebstructureandtrophictransferefficiencyalongaproductivitygradientinthetropicalandsubtropicalatlanticocean
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