Global ecological impacts of marine exotic species

Andrea Anton; N. R. Geraldi; C. E. Lovelock; Eugenia T. Apostolaki; Scott Bennett; Just Cebrián; Dorte Krause-Jensen; Núria Marbà; Paulina  Martinetto; John M.  Pandolfi; Julia Santana-Garcon; Carlos M. Duarte

doi:10.1038/s41559-019-0851-0

Global ecological impacts of marine exotic species

Andrea Anton, N. R. Geraldi, C. E. Lovelock, Eugenia T. Apostolaki, Scott Bennett, Just Cebrián, Dorte Krause-Jensen, Núria Marbà, Paulina Martinetto, John M. Pandolfi, Julia Santana-Garcon, Carlos M. Duarte

Arctic Research Centre - Arctic Research Center, ECOS Water

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

143 Citations (Scopus)

Abstract

Exotic species are a growing global ecological threat; however, their overall effects are insufficiently understood. While some exotic species are implicated in many species extinctions, others can provide benefits to the recipient communities. Here, we performed a meta-analysis to quantify and synthesize the ecological effects of 76 exotic marine species (about 6% of the listed exotics) on ten variables in marine communities. These species caused an overall significant, but modest in magnitude (as indicated by a mean effect size of g < 0.2), decrease in ecological variables. Marine primary producers and predators were the most disruptive trophic groups of the exotic species. Approximately 10% (that is, 2 out of 19) of the exotic species assessed in at least three independent studies had significant impacts on native species. Separating the innocuous from the disruptive exotic species provides a basis for triage efforts to control the marine exotic species that have the most impact, thereby helping to meet Aichi Biodiversity Target 9 of the Convention on Biological Diversity.

Original language	English
Journal	Nature Ecology & Evolution
Volume	3
Issue	5
Pages (from-to)	787-800
Number of pages	14
DOIs	https://doi.org/10.1038/s41559-019-0851-0
Publication status	Published - May 2019

Keywords

CRAB HEMIGRAPSUS-SANGUINEUS
GRACILARIA-VERMICULOPHYLLA
INTRODUCED POLYCHAETE
INVASIVE SEAWEED
LIONFISH PTEROIS-VOLITANS
MACROFAUNAL ASSEMBLAGES
REEF-BUILDING POLYCHAETE
ROCKY INTERTIDAL COMMUNITIES
SARGASSUM-MUTICUM
SPARTINA-ALTERNIFLORA

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title = "Global ecological impacts of marine exotic species",

abstract = "Exotic species are a growing global ecological threat; however, their overall effects are insufficiently understood. While some exotic species are implicated in many species extinctions, others can provide benefits to the recipient communities. Here, we performed a meta-analysis to quantify and synthesize the ecological effects of 76 exotic marine species (about 6% of the listed exotics) on ten variables in marine communities. These species caused an overall significant, but modest in magnitude (as indicated by a mean effect size of g < 0.2), decrease in ecological variables. Marine primary producers and predators were the most disruptive trophic groups of the exotic species. Approximately 10% (that is, 2 out of 19) of the exotic species assessed in at least three independent studies had significant impacts on native species. Separating the innocuous from the disruptive exotic species provides a basis for triage efforts to control the marine exotic species that have the most impact, thereby helping to meet Aichi Biodiversity Target 9 of the Convention on Biological Diversity.",

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author = "Andrea Anton and Geraldi, {N. R.} and Lovelock, {C. E.} and Apostolaki, {Eugenia T.} and Scott Bennett and Just Cebri{\'a}n and Dorte Krause-Jensen and N{\'u}ria Marb{\`a} and Paulina Martinetto and Pandolfi, {John M.} and Julia Santana-Garcon and Duarte, {Carlos M.}",

year = "2019",

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AU - Anton, Andrea

AU - Geraldi, N. R.

AU - Lovelock, C. E.

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AU - Bennett, Scott

AU - Cebrián, Just

AU - Krause-Jensen, Dorte

AU - Marbà, Núria

AU - Martinetto, Paulina

AU - Pandolfi, John M.

AU - Santana-Garcon, Julia

AU - Duarte, Carlos M.

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Global ecological impacts of marine exotic species

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