Environmental characteristics of Agulhas rings affect interocean plankton transport

Emilie Villar; Gregory K. Farrant; Michael Follows; Laurence Garczarek; Sabrina Speich; Stéphane Audic; Lucie Bittner; Bruno Blanke; Jennifer R. Brum; Christophe Brunet; Raffaella Casotti; Alison Chase; John R. Dolan; Fabrizio D'Ortenzio; Jean Pierre Gattuso; Nicolas Grima; Lionel Guidi; Christopher N. Hill; Oliver Jahn; Jean Louis Jamet; Hervé Le Goff; Cyrille Lepoivre; Shruti Malviya; Eric Pelletier; Jean Baptiste Romagnan; Simon Roux; Sébastien Santini; Eleonora Scalco; Sarah M. Schwenck; Atsuko Tanaka; Pierre Testor; Thomas Vannier; Flora Vincent; Adriana Zingone; Céline Dimier; Marc Picheral; Sarah Searson; Stefanie Kandels-Lewis; Peer Bork; Emmanuel Boss; Colomban De Vargas; Gabriel Gorsky; Hiroyuki Ogata; Stéphane Pesant; Matthew B. Sullivan; Shinichi Sunagawa; Patrick Wincker; Eric Karsenti; Chris Bowler; Fabrice Not; Pascal Hingamp; Daniele Iudicone; Silvia G. Acinas; Nigel Grimsley; Olivier Jaillon; Lee Karp-Boss; Uros Krzic; Jeroen Raes; Emmanuel G. Reynaud; Christian Sardet; Mike Sieracki; Lars Stemmann; Didier Velayoudon; Jean Weissenbach

doi:10.1126/science.1261447

Environmental characteristics of Agulhas rings affect interocean plankton transport

Emilie Villar, Gregory K. Farrant, Michael Follows, Laurence Garczarek, Sabrina Speich, Stéphane Audic, Lucie Bittner, Bruno Blanke, Jennifer R. Brum, Christophe Brunet, Raffaella Casotti, Alison Chase, John R. Dolan, Fabrizio D'Ortenzio, Jean Pierre Gattuso, Nicolas Grima, Lionel Guidi, Christopher N. Hill, Oliver Jahn, Jean Louis JametHervé Le Goff, Cyrille Lepoivre, Shruti Malviya, Eric Pelletier, Jean Baptiste Romagnan, Simon Roux, Sébastien Santini, Eleonora Scalco, Sarah M. Schwenck, Atsuko Tanaka, Pierre Testor, Thomas Vannier, Flora Vincent, Adriana Zingone, Céline Dimier, Marc Picheral, Sarah Searson, Stefanie Kandels-Lewis, Peer Bork, Emmanuel Boss, Colomban De Vargas, Gabriel Gorsky, Hiroyuki Ogata, Stéphane Pesant, Matthew B. Sullivan, Shinichi Sunagawa, Patrick Wincker, Eric Karsenti, Chris Bowler, Fabrice Not, Pascal Hingamp, Daniele Iudicone, Silvia G. Acinas, Nigel Grimsley, Olivier Jaillon, Lee Karp-Boss, Uros Krzic, Jeroen Raes, Emmanuel G. Reynaud, Christian Sardet, Mike Sieracki, Lars Stemmann, Didier Velayoudon, Jean Weissenbach

Research output: Contribution to journal › Article › peer-review

154 Scopus citations

Abstract

Agulhas rings provide the principal route for ocean waters to circulate from the Indo-Pacific to the Atlantic basin. Their influence on global ocean circulation is well known, but their role in plankton transport is largely unexplored. We show that, although the coarse taxonomic structure of plankton communities is continuous across the Agulhas choke point, South Atlantic plankton diversity is altered compared with Indian Ocean source populations. Modeling and in situ sampling of a young Agulhas ring indicate that strong vertical mixing drives complex nitrogen cycling, shaping community metabolism and biogeochemical signatures as the ring and associated plankton transit westward. The peculiar local environment inside Agulhas rings may provide a selective mechanism contributing to the limited dispersal of Indian Ocean plankton populations into the Atlantic.

Original language	English (US)
Article number	1261447
Journal	Science
Volume	348
Issue number	6237
DOIs	https://doi.org/10.1126/science.1261447
State	Published - May 22 2015
Externally published	Yes

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Villar, E., Farrant, G. K., Follows, M., Garczarek, L., Speich, S., Audic, S., Bittner, L., Blanke, B., Brum, J. R., Brunet, C., Casotti, R., Chase, A., Dolan, J. R., D'Ortenzio, F., Gattuso, J. P., Grima, N., Guidi, L., Hill, C. N., Jahn, O., ... Weissenbach, J. (2015). Environmental characteristics of Agulhas rings affect interocean plankton transport. Science, 348(6237), Article 1261447. https://doi.org/10.1126/science.1261447

Villar, E, Farrant, GK, Follows, M, Garczarek, L, Speich, S, Audic, S, Bittner, L, Blanke, B, Brum, JR, Brunet, C, Casotti, R, Chase, A, Dolan, JR, D'Ortenzio, F, Gattuso, JP, Grima, N, Guidi, L, Hill, CN, Jahn, O, Jamet, JL, Goff, HL, Lepoivre, C, Malviya, S, Pelletier, E, Romagnan, JB, Roux, S, Santini, S, Scalco, E, Schwenck, SM, Tanaka, A, Testor, P, Vannier, T, Vincent, F, Zingone, A, Dimier, C, Picheral, M, Searson, S, Kandels-Lewis, S, Bork, P, Boss, E, De Vargas, C, Gorsky, G, Ogata, H, Pesant, S, Sullivan, MB, Sunagawa, S, Wincker, P, Karsenti, E, Bowler, C, Not, F, Hingamp, P, Iudicone, D, Acinas, SG, Grimsley, N, Jaillon, O, Karp-Boss, L, Krzic, U, Raes, J, Reynaud, EG, Sardet, C, Sieracki, M, Stemmann, L, Velayoudon, D & Weissenbach, J 2015, 'Environmental characteristics of Agulhas rings affect interocean plankton transport', Science, vol. 348, no. 6237, 1261447. https://doi.org/10.1126/science.1261447

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title = "Environmental characteristics of Agulhas rings affect interocean plankton transport",

abstract = "Agulhas rings provide the principal route for ocean waters to circulate from the Indo-Pacific to the Atlantic basin. Their influence on global ocean circulation is well known, but their role in plankton transport is largely unexplored. We show that, although the coarse taxonomic structure of plankton communities is continuous across the Agulhas choke point, South Atlantic plankton diversity is altered compared with Indian Ocean source populations. Modeling and in situ sampling of a young Agulhas ring indicate that strong vertical mixing drives complex nitrogen cycling, shaping community metabolism and biogeochemical signatures as the ring and associated plankton transit westward. The peculiar local environment inside Agulhas rings may provide a selective mechanism contributing to the limited dispersal of Indian Ocean plankton populations into the Atlantic.",

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AU - Villar, Emilie

AU - Farrant, Gregory K.

AU - Follows, Michael

AU - Garczarek, Laurence

AU - Speich, Sabrina

AU - Audic, Stéphane

AU - Bittner, Lucie

AU - Blanke, Bruno

AU - Brum, Jennifer R.

AU - Brunet, Christophe

AU - Casotti, Raffaella

AU - Chase, Alison

AU - Dolan, John R.

AU - D'Ortenzio, Fabrizio

AU - Gattuso, Jean Pierre

AU - Grima, Nicolas

AU - Guidi, Lionel

AU - Hill, Christopher N.

AU - Jahn, Oliver

AU - Jamet, Jean Louis

AU - Goff, Hervé Le

AU - Lepoivre, Cyrille

AU - Malviya, Shruti

AU - Pelletier, Eric

AU - Romagnan, Jean Baptiste

AU - Roux, Simon

AU - Santini, Sébastien

AU - Scalco, Eleonora

AU - Schwenck, Sarah M.

AU - Tanaka, Atsuko

AU - Testor, Pierre

AU - Vannier, Thomas

AU - Vincent, Flora

AU - Zingone, Adriana

AU - Dimier, Céline

AU - Picheral, Marc

AU - Searson, Sarah

AU - Kandels-Lewis, Stefanie

AU - Bork, Peer

AU - Boss, Emmanuel

AU - De Vargas, Colomban

AU - Gorsky, Gabriel

AU - Ogata, Hiroyuki

AU - Pesant, Stéphane

AU - Sullivan, Matthew B.

AU - Sunagawa, Shinichi

AU - Wincker, Patrick

AU - Karsenti, Eric

AU - Bowler, Chris

AU - Not, Fabrice

AU - Hingamp, Pascal

AU - Iudicone, Daniele

AU - Acinas, Silvia G.

AU - Grimsley, Nigel

AU - Jaillon, Olivier

AU - Karp-Boss, Lee

AU - Krzic, Uros

AU - Raes, Jeroen

AU - Reynaud, Emmanuel G.

AU - Sardet, Christian

AU - Sieracki, Mike

AU - Stemmann, Lars

AU - Velayoudon, Didier

AU - Weissenbach, Jean

PY - 2015/5/22

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AB - Agulhas rings provide the principal route for ocean waters to circulate from the Indo-Pacific to the Atlantic basin. Their influence on global ocean circulation is well known, but their role in plankton transport is largely unexplored. We show that, although the coarse taxonomic structure of plankton communities is continuous across the Agulhas choke point, South Atlantic plankton diversity is altered compared with Indian Ocean source populations. Modeling and in situ sampling of a young Agulhas ring indicate that strong vertical mixing drives complex nitrogen cycling, shaping community metabolism and biogeochemical signatures as the ring and associated plankton transit westward. The peculiar local environment inside Agulhas rings may provide a selective mechanism contributing to the limited dispersal of Indian Ocean plankton populations into the Atlantic.

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Environmental characteristics of Agulhas rings affect interocean plankton transport

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