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Journal Articles Science Advances Year : 2021

Environmental vulnerability of the global ocean epipelagic plankton community interactome

Charlotte Nef
Ahmed A Zayed
Pedro C Junger
Hugo Sarmento
Silvia G Acinas
Marcel Babin
Daniele Iudicone
Olivier Jaillon
Patrick Wincker
Lee Karp-Boss
Matthew B Sullivan
Chris Bowler
Colomban de Vargas

Abstract

Marine plankton form complex communities of interacting organisms at the base of the food web, which sustain oceanic biogeochemical cycles and help regulate climate. Although global surveys are starting to reveal ecological drivers underlying planktonic community structure and predicted climate change responses, it is unclear how community-scale species interactions will be affected by climate change. Here, we leveraged Tara Oceans sampling to infer a global ocean cross-domain plankton co-occurrence network-the community interactome-and used niche modeling to assess its vulnerabilities to environmental change. Globally, this revealed a plankton interactome self-organized latitudinally into marine biomes (Trades, Westerlies, Polar) and more connected poleward. Integrated niche modeling revealed biome-specific community interactome responses to environmental change and forecasted the most affected lineages for each community. These results provide baseline approaches to assess community structure and organismal interactions under climate scenarios while identifying plausible plankton bioindicators for ocean monitoring of climate change.
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Dates and versions

hal-03443359 , version 1 (05-01-2021)
hal-03443359 , version 2 (23-11-2021)

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Samuel Chaffron, Erwan Delage, Marko Budinich, Damien Vintache, Nicolas Henry, et al.. Environmental vulnerability of the global ocean epipelagic plankton community interactome. Science Advances , 2021, 7 (35), pp.eabg1921. ⟨10.1126/sciadv.abg1921⟩. ⟨hal-03443359v2⟩
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