Detalls de la publicació.

Article

Any:2019
Autor(s):Andrea Anton, Nathan R. Geraldi, Catherine E. Lovelock, Eugenia T. Apostolaki, Scott Bennett, Just Cebrian, Dorte Krause-Jensen, Nuria Marbà, Paulina Martinetto, John M. Pandolfi, Julia Santana-Garcon, Carlos M. Duarte
Títol:Global ecological impacts of marine exotic species
Revista:Nature Ecology & Evolution
ISSN:2397-334X
Volum:3
Pàgines:787-800
D.O.I.:10.1038/s41559-019-0851-0
Web:https://www.nature.com/articles/s41559-019-0851-0
Resum: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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