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dc.contributor.authorAiroldi, L.-
dc.contributor.authorTuron, Xavier-
dc.contributor.authorPerkol-Finkel, Shimrit-
dc.contributor.authorRius, Marc-
dc.date.accessioned2015-03-17T12:38:14Z-
dc.date.available2015-03-17T12:38:14Z-
dc.date.issued2015-
dc.identifier.citationDiversity and Distributions : 1-14 (2015)es_ES
dc.identifier.issn1366-9516-
dc.identifier.urihttp://hdl.handle.net/10261/112523-
dc.description14 páginas, 5 figuras, 4 tablases_ES
dc.description.abstractAim The global sprawl of marine hard infrastructure (e.g. breakwaters, sea walls and jetties) can extensively modify coastal seascapes, but the knowledge of such impacts remains limited to local scales. We examined the regional-scale effects of marine artificial habitats on the distribution and abundance of assemblages of ascidians, a key group of ecosystem engineer species in benthic fouling systems. Location Five hundred kilometers of coastline in the North Adriatic Sea. Methods We sampled a variety of natural reefs, marine infrastructures and marinas, and tested hypotheses about the role of habitat type and location in influencing the relative distribution and abundance of both native and nonindigenous species. Results Assemblages differed significantly between natural and artificial habitats and among different types of artificial habitats. Non-indigenous species were 2–3 times more abundant on infrastructures built along sedimentary coastlines than on natural rocky reefs or infrastructures built close to rocky coastlines. Conversely, native species were twice as abundant on natural reefs than on nearby infrastructures and were scarce to virtually absent on infrastructures built along sedimentary coasts. The species composition of assemblages in artificial habitats was more similar to that of marinas than of natural reefs, independently of their location. Main conclusions Our results show that marine infrastructures along sandy shores disproportionally favour non-indigenous over native hard bottom species, affecting their spread at regional scales. This is particularly concerning for coastal areas that have low natural densities of rocky reef habitats. We discuss design and management options to improve the quality as habitat of marine infrastructures and to favour their preferential use by native species over nonindigenous ones.es_ES
dc.description.sponsorshipThe work was supported by the projects THESEUS (EU – FP7 – ENV2009-1, grant 244104), MERMAID (EU FP7 – Ocean – 2011, grant 288710) to L.A. and COCONET (EU – FP7 – Ocean – 2011 – grant 287844) to X.T., and projects PIE 2007/30I026 and CTM2013-48163 of the Spanish Government to X.T. S.P.-F. was further supported by the European Union 7th Framework Programme (FP7/ 2007-2013) under grant agreement no EU – FP7-PEOPLE- 2007-2-1-IEF-219818, L.A. by a Fulbright Research Scholarship and M.R. by a travel grant from the Spanish ‘Ministerio de Educaci on y Ciencia’ during his research stay at the University of Bologna.es_ES
dc.language.isoenges_ES
dc.publisherBlackwell Publishinges_ES
dc.rightsclosedAccesses_ES
dc.subjectMitigation of anthropogenic impactses_ES
dc.subjectNon-indigenous species and regional-scale effectses_ES
dc.subjectArtificial marine infrastructurees_ES
dc.subjectBiological invasionses_ES
dc.subjectCoastal urbanizationes_ES
dc.subjectHabitat fragmentationes_ES
dc.titleCorridors for aliens but not for natives: effects of marine urban sprawl at a regional scalees_ES
dc.typeartículoes_ES
dc.identifier.doi10.1111/ddi.12301-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1111/ddi.12301es_ES
dc.relation.csices_ES
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