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dc.contributor.authorMiró, Alexandrees_ES
dc.contributor.authorSabas, Ibores_ES
dc.contributor.authorVentura, Marces_ES
dc.date.accessioned2018-01-02T12:30:43Z-
dc.date.available2018-01-02T12:30:43Z-
dc.date.issued2018-
dc.identifier.citationBiological Conservation 218 :144-153 (2018)es_ES
dc.identifier.issn0006-3207-
dc.identifier.urihttp://hdl.handle.net/10261/158736-
dc.descriptionEste artículo contiene 10 páginas, 4 figuras, 2 tablas.es_ES
dc.description.abstractHigh mountain lakes are mostly naturally fishless ecosystems that have received numerous trout introductions over the world. Extensive studies mostly developed in west North America have shown a large negative effect of these introductions on amphibians, although no extensive studies are available from other continents such as Europe. Fish were also introduced extensively in the Pyrenees (southern Europe), mainly trout for angling and minnows for their use as live bait for fishing trout. We studied the effect of non-native trout and minnows on the occurrence of amphibian species inhabiting Pyrenean lentic habitats. Chi-square tests and Generalized Additive Models were applied on a dataset of 12 environmental descriptors from 1739 water bodies surveyed from 2006 to 2016. After accounting for environmental characteristics we found a large negative effect of non-native trout and minnows on Pyrenean amphibians. Trout was negatively associated with four of the six studied species. Since minnows were only introduced in trout present lakes, they were only significant for Rana temporaria, the most distributed amphibian in the area. None of the palatable amphibians have been able to recolonise the lakes where minnow remain as the only fish species indicating a strong negative effect. Minnow is the non-native fish with a higher introduction rate in the mountain range indicating that it might be a threat for other species in the future. Therefore, the control of trout stocking and minnow release in high mountain lakes is necessary to preserve European and worldwide amphibian populations in these ecosystems.es_ES
dc.description.sponsorshipEconomic support was provided by the Spanish Government projects Fundalzoo (CGL2010-14841) and Invasivefish (427/2011) and by the European Commission LIFE+ project LimnoPirineus (LIFE13 NAT/ES/001210).es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.relation.isversionofPreprintes_ES
dc.rightsopenAccesses_ES
dc.subjectHigh mountain lakeses_ES
dc.subjectInvasive specieses_ES
dc.subjectAmphibian declineses_ES
dc.subjectExotic fishes_ES
dc.subjectFreshwater ecologyes_ES
dc.subjectHabitat characteristicses_ES
dc.titleLarge negative effect of non-native trout and minnows on Pyrenean lake amphibianses_ES
dc.typeartículoes_ES
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttps://doi.org/10.1016/j.biocon.2017.12.030es_ES
dc.relation.csices_ES
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item.cerifentitytypePublications-
item.openairetypeartículo-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
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