Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/49603
Campo DC Valoridioma
dc.contributor.authorThomsen, Mads S.en_US
dc.contributor.authorWernberg, Thomasen_US
dc.contributor.authorTuya, Fernandoen_US
dc.contributor.authorSilliman, Brian R.en_US
dc.date.accessioned2018-11-24T09:16:03Z-
dc.date.available2018-11-24T09:16:03Z-
dc.date.issued2009en_US
dc.identifier.issn0022-3646en_US
dc.identifier.urihttp://hdl.handle.net/10553/49603-
dc.description.abstractInvasions by nonindigenous macroalgal species (NIMS) potentially cause severe impacts on native species. We conducted a meta‐analysis of 18 field‐based manipulative experiments to quantify the direction and magnitude of impacts (Hedges effect size d, hereafter ES). We found significant small‐to‐medium negative effects on “macrophyte abundance” (cover, biomass of native taxa; EScumulative = −0.30) and medium‐to‐large negative effects on “macrophyte assemblages” (richness, diversity, total abundance; EScumulative = −0.70). In contrast, EScumulative were not significant for “macrophyte processes” (growth, mortality; EScumulative = −0.39), “animal abundance” (densities; EScumulative = −0.13), or “animal assemblages” (richness, diversity; EScumulative = 0.75). The nonsignificant effect sizes were characterized by low sample sizes and should be interpreted with caution. Three study‐specific effect sizes were particularly large (<−2.0), showing that, in specific cases, impacts can be highly negative. From a conservation perspective, focus could be on such worst‐case scenarios. Still, the reported EScumulative are likely biased toward larger effects because only the most conspicuous NIMS have been tested and because nonsignificant results are less likely to be published. To better understand the impacts of NIMS, more manipulative experiments are needed, testing more species and under contrasting environmental conditions. Future studies should include procedural control treatments and report the abundance of the NIMS to avoid ambiguous interpretations. In conclusion, current experimental evidence shows that NIMS have, on average, small‐to‐large negative impacts on native plant species and assemblages. It is possible that these effects can result in severe consequences when accumulated over long time periods and large spatial scales.en_US
dc.languageengen_US
dc.publisher0022-3646-
dc.relation.ispartofJournal of Phycologyen_US
dc.sourceJournal of Phycology [ISSN 0022-3646], v. 45, p. 812-819en_US
dc.subject241705 Biología marinaen_US
dc.subject.otherField experimentsen_US
dc.subject.otherImpactsen_US
dc.subject.otherMeta‐analysisen_US
dc.subject.otherNonindigenous macroalgal speciesen_US
dc.titleEvidence for impacts of nonindigenous macroalgae: A meta-analysis of experimental field studiesen_US
dc.typeinfo:eu-repo/semantics/articleen_US
dc.typeArticleen_US
dc.identifier.doi10.1111/j.1529-8817.2009.00709.xen_US
dc.identifier.scopus69849106364-
dc.contributor.authorscopusid7201684589-
dc.contributor.authorscopusid8657683700-
dc.contributor.authorscopusid6603608107-
dc.contributor.authorscopusid6701473658-
dc.description.lastpage819en_US
dc.description.firstpage812en_US
dc.relation.volume45en_US
dc.investigacionCienciasen_US
dc.type2Artículoen_US
dc.utils.revisionen_US
dc.identifier.ulpgces
dc.description.jcr2,27
dc.description.jcrqQ1
dc.description.scieSCIE
item.fulltextSin texto completo-
item.grantfulltextnone-
crisitem.author.deptGIR ECOAQUA: Biodiversidad y Conservación-
crisitem.author.deptIU de Investigación en Acuicultura Sostenible y Ec-
crisitem.author.deptDepartamento de Biología-
crisitem.author.orcid0000-0001-8316-5887-
crisitem.author.parentorgIU de Investigación en Acuicultura Sostenible y Ec-
crisitem.author.fullNameTuya Cortés, Fernando José-
Colección:Artículos
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