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  Ubiquitous abundance distribution of non-dominant plankton across the global ocean

Ser-Giacomi, E., Zinger, L., Malviya, S., De Vargas, C., Karsenti, E., Bowler, C., et al. (2018). Ubiquitous abundance distribution of non-dominant plankton across the global ocean. Nature Ecology & Evolution, 2(8), 1243-1249. doi:10.1038/s41559-018-0587-2.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0002-6B5C-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-6B5D-F
Genre: Journal Article

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 Creators:
Ser-Giacomi, Enrico, Author
Zinger, Lucie1, Author              
Malviya, Shruti, Author
De Vargas, Colomban, Author
Karsenti, Eric, Author
Bowler, Chris, Author
De Monte, Silvia2, Author              
Affiliations:
1HGF MPG Joint Research Group for Deep Sea Ecology & Technology, Max Planck Institute for Marine Microbiology, Max Planck Society, ou_2481702              
2Department Evolutionary Theory, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445641              

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 Abstract: Marine plankton populate 70% of Earth’s surface, providing the energy that fuels ocean food webs and contributing to global biogeochemical cycles. Plankton communities are extremely diverse and geographically variable, and are overwhelmingly composed of low-abundance species. The role of this rare biosphere and its ecological underpinnings are however still unclear. Here, we analyse the extensive dataset generated by the Tara Oceans expedition for marine microbial eukaryotes (protists) and use an adaptive algorithm to explore how metabarcoding-based abundance distributions vary across plankton communities in the global ocean. We show that the decay in abundance of non-dominant operational taxonomic units, which comprise over 99% of local richness, is commonly governed by a power-law. Despite the high spatial turnover in species composition, the power-law exponent varies by less than 10% across locations and shows no biogeographical signature, but is weakly modulated by cell size. Such striking regularity suggests that the assembly of plankton communities in the dynamic and highly variable ocean environment is governed by large-scale ubiquitous processes. Understanding their origin and impact on plankton ecology will be important for evaluating the resilience of marine biodiversity in a changing ocean.

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Language(s): eng - English
 Dates: 2017-05-252018-05-182018-06-182018
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1038/s41559-018-0587-2
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Title: Nature Ecology & Evolution
Source Genre: Journal
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Publ. Info: London : Nature Publishing Group
Pages: - Volume / Issue: 2 (8) Sequence Number: - Start / End Page: 1243 - 1249 Identifier: ISSN: 2397-334X
CoNE: https://pure.mpg.de/cone/journals/resource/2397-334X