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dc.contributor.authorVilà, Montserrat-
dc.contributor.authorEspinar, José L.-
dc.contributor.authorHedja, Martin-
dc.contributor.authorHulme, Philip E.-
dc.contributor.authorJarošík, Vojtěch-
dc.contributor.authorMaron, John L.-
dc.contributor.authorPrgel, Jan-
dc.contributor.authorSchaffner, Urs-
dc.contributor.authorSun, Yan-
dc.contributor.authorPyšek, Petr-
dc.date.accessioned2012-06-27T06:56:04Z-
dc.date.available2012-06-27T06:56:04Z-
dc.date.issued2011-
dc.identifier.citationEcology Letters,(2011) 14: 702–708es_ES
dc.identifier.urihttp://hdl.handle.net/10261/52282-
dc.description.abstractBiological invasions cause ecological and economic impacts across the globe. However, it is unclear whether there are strong patterns in terms of their major effects, how the vulnerability of different ecosystems varies and which ecosystem services are at greatest risk. We present a global meta-analysis of 199 articles reporting 1041 field studies that in total describe the impacts of 135 alien plant taxa on resident species, communities and ecosystems. Across studies, alien plants had a significant effect in 11 of 24 different types of impact assessed. The magnitude and direction of the impact varied both within and between different types of impact. On average, abundance and diversity of the resident species decreased in invaded sites, whereas primary production and several ecosystem processes were enhanced. While alien N-fixing species had greater impacts on N-cycling variables, they did not consistently affect other impact types. The magnitude of the impacts was not significantly different between island and mainland ecosystems. Overall, alien species impacts are heterogeneous and not unidirectional even within particular impact types. Our analysis also reveals that by the time changes in nutrient cycling are detected, major impacts on plant species and communities are likely to have already occurredes_ES
dc.language.isoenges_ES
dc.publisherBlackwell Publishinges_ES
dc.rightsopenAccesses_ES
dc.subjectBiological invasionses_ES
dc.subjectBottom-up effectses_ES
dc.subjectDiversityes_ES
dc.subjectEcological complexityes_ES
dc.subjectEcosystem functioninges_ES
dc.subjectExotic specieses_ES
dc.subjectIslandes_ES
dc.subjectN-fixinges_ES
dc.titleEcological impacts of invasive alien plants: a meta-analysis of their effects on species, communities and ecosystemses_ES
dc.typeartículoes_ES
dc.identifier.doi10.1111/j.1461-0248.2011.01628.x-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1111/j.1461-0248.2011.01628.xes_ES
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.openairetypeartículo-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
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