The marine fish food web is globally connected

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MARC

Albouy, CamilleIFREMER, France (author)

The marine fish food web is globally connected

Article/chapterEnglish2019

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2019-07-29
NATURE PUBLISHING GROUP,2019
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LIBRIS-ID:oai:DiVA.org:liu-159557
https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-159557URI
https://doi.org/10.1038/s41559-019-0950-yDOI

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Language:English
Summary in:English

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SwePubSwePub

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Subject category:ref swepub-contenttype
Subject category:art swepub-publicationtype

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Funding Agencies|MELS-FQRNT Postdoctoral Fellowship; Ressources Aquatique Quebec (RAQ) fellowship; CIEE; Natural Sciences and Engineering Research Council of Canada (NSERC) PGS-D scholarship; NSERC Discovery Grants; FRQNT New Investigator award; Universite de Montreal starting grant; Royal Society of New Zealand [UOC-1101]; Royal Society of New Zealand (Rutherford Discovery Fellowship); FRQNT special travel fund; FCT [PTDC/AAG-MAA/3764/2014]
The productivity of marine ecosystems and the services they provide to humans are largely dependent on complex interactions between prey and predators. These are embedded in a diverse network of trophic interactions, resulting in a cascade of events following perturbations such as species extinction. The sheer scale of oceans, however, precludes the characterization of marine feeding networks through de novo sampling. This effort ought instead to rely on a combination of extensive data and inference. Here we investigate how the distribution of trophic interactions at the global scale shapes the marine fish food web structure. We hypothesize that the heterogeneous distribution of species ranges in biogeographic regions should concentrate interactions in the warmest areas and within species groups. We find that the inferred global metaweb of marine fish-that is, all possible potential feeding links between co-occurring species-is highly connected geographically with a low degree of spatial modularity. Metrics of network structure correlate with sea surface temperature and tend to peak towards the tropics. In contrast to open-water communities, coastal food webs have greater interaction redundancy, which may confer robustness to species extinction. Our results suggest that marine ecosystems are connected yet display some resistance to perturbations because of high robustness at most locations.

Subject headings and genre

NATURVETENSKAP Biologi Ekologi hsv//swe
NATURAL SCIENCES Biological Sciences Ecology hsv//eng

Added entries (persons, corporate bodies, meetings, titles ...)

Archambault, PhilippeUniv Laval, Canada (author)
Appeltans, WardUNESCO, Belgium (author)
Araujo, Miguel B.CSIC, Spain; Univ Evora, Portugal; Univ Copenhagen, Denmark (author)
Beauchesne, DavidUniv Quebec Rimouski, Canada (author)
Cazelles, KevinUniv Guelph, Canada (author)
Cirtwill, AlyssaLinköpings universitet,Teoretisk Biologi,Tekniska fakulteten,Univ Canterbury, New Zealand(Swepub:liu)alyci52 (author)
Fortin, Marie-JoseeUniv Toronto, Canada (author)
Galiana, NuriaCNRS, France (author)
Leroux, Shawn J.Mem Univ, Canada (author)
Pellissier, LoikSwiss Fed Inst Technol, Switzerland; Swiss Fed Res Inst WSL, Switzerland (author)
Poisot, TimotheeUniv Montreal, Canada; McGill Univ, Canada (author)
Stouffer, Daniel B.Univ Canterbury, New Zealand (author)
Wood, Spencer A.Univ Washington, WA 98195 USA (author)
Gravel, DominiqueUniv Montreal, Canada; Univ Sherbrooke, Canada (author)
IFREMER, FranceUniv Laval, Canada (creator_code:org_t)

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In:Nature Ecology & Evolution: NATURE PUBLISHING GROUP3:8, s. 1153-+2397-334X

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By the author/editor: Albouy, Camille; Archambault, Phi ...; Appeltans, Ward; Araujo, Miguel B ...; Beauchesne, Davi ...; Cazelles, Kevin; show more...; Cirtwill, Alyssa; Fortin, Marie-Jo ...; Galiana, Nuria; Leroux, Shawn J.; Pellissier, Loik; Poisot, Timothee; Stouffer, Daniel ...; Wood, Spencer A.; Gravel, Dominiqu ...; show less...

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NATURAL SCIENCES: NATURAL SCIENCES; and Biological Scien ...; and Ecology

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By the university: Linköping University

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