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Global Trends in Marine Plankton Diversity across Kingdoms of Life.


ABSTRACT: The ocean is home to myriad small planktonic organisms that underpin the functioning of marine ecosystems. However, their spatial patterns of diversity and the underlying drivers remain poorly known, precluding projections of their responses to global changes. Here we investigate the latitudinal gradients and global predictors of plankton diversity across archaea, bacteria, eukaryotes, and major virus clades using both molecular and imaging data from Tara Oceans. We show a decline of diversity for most planktonic groups toward the poles, mainly driven by decreasing ocean temperatures. Projections into the future suggest that severe warming of the surface ocean by the end of the 21st century could lead to tropicalization of the diversity of most planktonic groups in temperate and polar regions. These changes may have multiple consequences for marine ecosystem functioning and services and are expected to be particularly significant in key areas for carbon sequestration, fisheries, and marine conservation. VIDEO ABSTRACT.

SUBMITTER: Ibarbalz FM 

PROVIDER: S-EPMC6912166 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature

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Global Trends in Marine Plankton Diversity across Kingdoms of Life.

Ibarbalz Federico M FM   Henry Nicolas N   Brandão Manoela C MC   Martini Séverine S   Busseni Greta G   Byrne Hannah H   Coelho Luis Pedro LP   Endo Hisashi H   Gasol Josep M JM   Gregory Ann C AC   Mahé Frédéric F   Rigonato Janaina J   Royo-Llonch Marta M   Salazar Guillem G   Sanz-Sáez Isabel I   Scalco Eleonora E   Soviadan Dodji D   Zayed Ahmed A AA   Zingone Adriana A   Labadie Karine K   Ferland Joannie J   Marec Claudie C   Kandels Stefanie S   Picheral Marc M   Dimier Céline C   Poulain Julie J   Pisarev Sergey S   Carmichael Margaux M   Pesant Stéphane S   Babin Marcel M   Boss Emmanuel E   Iudicone Daniele D   Jaillon Olivier O   Acinas Silvia G SG   Ogata Hiroyuki H   Pelletier Eric E   Stemmann Lars L   Sullivan Matthew B MB   Sunagawa Shinichi S   Bopp Laurent L   de Vargas Colomban C   Karp-Boss Lee L   Wincker Patrick P   Lombard Fabien F   Bowler Chris C   Zinger Lucie L  

Cell 20191101 5


The ocean is home to myriad small planktonic organisms that underpin the functioning of marine ecosystems. However, their spatial patterns of diversity and the underlying drivers remain poorly known, precluding projections of their responses to global changes. Here we investigate the latitudinal gradients and global predictors of plankton diversity across archaea, bacteria, eukaryotes, and major virus clades using both molecular and imaging data from Tara Oceans. We show a decline of diversity f  ...[more]

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