info:eu-repo/semantics/article
Global ecological impacts of marine exotic species
Fecha
2019-05Registro en:
Anton, Andrea; Geraldi, Nathan R.; Lovelock, Catherine E.; Apostolaki, Eugenia T.; Bennett, Scott; et al.; Global ecological impacts of marine exotic species; Nature Publishing Group; Nature Ecology and Evolution; 3; 5; 5-2019; 787-800
2397-334X
CONICET Digital
CONICET
Autor
Anton, Andrea
Geraldi, Nathan R.
Lovelock, Catherine E.
Apostolaki, Eugenia T.
Bennett, Scott
Cebrian, Just
Krause-Jensen, Dorte
Marbà, Nuria
Martinetto, Paulina Maria del Rosario
Pandolfi, John M.
Santana-Garcon, Julia
Duarte, Carlos M.
Resumen
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.