More than one million barriers fragment Europe’s rivers

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dc.contributor.authorBelletti, Barbaraen
dc.contributor.authorGarcia de Leaniz, Carlosen
dc.contributor.authorJones, Joshuaen
dc.contributor.authorBizzi, Simoneen
dc.contributor.authorBörger, Lucaen
dc.contributor.authorSegura, Gillesen
dc.contributor.authorCastelletti, Andreaen
dc.contributor.authorvan de Bund, Wouteren
dc.contributor.authorAarestrup, Kimen
dc.contributor.authorBarry, Jamesen
dc.contributor.authorBelka, Kamilaen
dc.contributor.authorBerkhuysen, Arjanen
dc.contributor.authorBirnie-Gauvin, Kimen
dc.contributor.authorBussettini, Martinaen
dc.contributor.authorCarolli, Mauroen
dc.contributor.authorConsuegra, Sofiaen
dc.contributor.authorDopico, Eduardoen
dc.contributor.authorFeierfeil, Timen
dc.contributor.authorFernández, Saraen
dc.contributor.authorFernandez Garrido, Paoen
dc.contributor.authorGarcia-Vazquez, Evaen
dc.contributor.authorGarrido, Saraen
dc.contributor.authorGiannico, Guillermoen
dc.contributor.authorGough, Peteren
dc.contributor.authorJepsen, Nielsen
dc.contributor.authorJones, Peter E.en
dc.contributor.authorKemp, Paulen
dc.contributor.authorKerr, Jimen
dc.contributor.authorKing, Jamesen
dc.contributor.authorŁapińska, Małgorzataen
dc.contributor.authorLázaro, Gloriaen
dc.contributor.authorLucas, Martyn C.en
dc.contributor.authorMarcello, Lucioen
dc.contributor.authorMartin, Patricken
dc.contributor.authorMcGinnity, Philipen
dc.contributor.authorO’Hanley, Jesseen
dc.contributor.authordel Amo, Rosa Olivoen
dc.contributor.authorParasiewicz, Piotren
dc.contributor.authorPusch, Martinen
dc.contributor.authorRincon, Gonzaloen
dc.contributor.authorRodriguez, Cesaren
dc.contributor.authorRoyte, Joshuaen
dc.contributor.authorSchneider, Claus Tillen
dc.contributor.authorTummers, Jeroen S.en
dc.contributor.authorVallesi, Sergioen
dc.contributor.authorVowles, Andrewen
dc.contributor.authorVerspoor, Ericen
dc.contributor.authorWanningen, Hermanen
dc.contributor.authorWantzen, Karl M.en
dc.contributor.authorWildman, Lauraen
dc.contributor.authorZalewski, Maciejen
dc.contributor.funderHorizon 2020en
dc.contributor.funderUniversité de Lyonen
dc.date.accessioned2023-05-23T15:08:06Z
dc.date.available2023-05-23T15:08:06Z
dc.date.issued2020-12-16en
dc.description.abstractRivers support some of Earth’s richest biodiversity and provide essential ecosystem services to society, but they are often fragmented by barriers to free flow. In Europe, attempts to quantify river connectivity have been hampered by the absence of a harmonized barrier database. Here we show that there are at least 1.2 million instream barriers in 36 European countries (with a mean density of 0.74 barriers per kilometre), 68 per cent of which are structures less than two metres in height that are often overlooked. Standardized walkover surveys along 2,715 kilometres of stream length for 147 rivers indicate that existing records underestimate barrier numbers by about 61 per cent. The highest barrier densities occur in the heavily modified rivers of central Europe and the lowest barrier densities occur in the most remote, sparsely populated alpine areas. Across Europe, the main predictors of barrier density are agricultural pressure, density of river-road crossings, extent of surface water and elevation. Relatively unfragmented rivers are still found in the Balkans, the Baltic states and parts of Scandinavia and southern Europe, but these require urgent protection from proposed dam developments. Our findings could inform the implementation of the EU Biodiversity Strategy, which aims to reconnect 25,000 kilometres of Europe’s rivers by 2030, but achieving this will require a paradigm shift in river restoration that recognizes the widespread impacts caused by small barriers.en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationBelletti, B., Garcia de Leaniz, C., Jones, J., Bizzi, S., Börger, L., Segura, G., Castelletti, A., Van de Bund, W., Aarestrup, K., Barry, J., Belka, K., et al. (2020) ''More than one million barriers fragment Europe’s rivers', Nature, 588, pp.436-441. doi: 10.1038/s41586-020-3005-2en
dc.identifier.doi10.1038/s41586-020-3005-2en
dc.identifier.endpage441en
dc.identifier.issn0028-0836en
dc.identifier.issn1476-4687en
dc.identifier.journaltitleNatureen
dc.identifier.startpage436en
dc.identifier.urihttps://hdl.handle.net/10468/14500
dc.identifier.volume588en
dc.language.isoenen
dc.publisherSpringer Nature Ltd.en
dc.relation.ispartofNatureen
dc.relation.projectinfo:eu-repo/grantAgreement/EC/H2020::RIA/689682/EU/Adaptive Management of Barriers in European Rivers/AMBERen
dc.relation.projectinfo:eu-repo/grantAgreement/ANR//ANR-17-EURE-0018/FR/School of Integrated Watershed Sciences/H2O'LYONen
dc.rights© 2020, The Authors, under exclusive licence to Springer Nature Limited. This is a post-peer-review, pre-copyedit version of a paper published as: Belletti, B., Garcia de Leaniz, C., Jones, J., Bizzi, S., Börger, L., Segura, G., Castelletti, A., Van de Bund, W., Aarestrup, K., Barry, J., Belka, K., et al. (2020) ''More than one million barriers fragment Europe’s rivers', Nature, 588, pp.436-441, doi: 10.1038/s41586-020-3005-2. The final authenticated version is available online at: https://doi.org/10.1038/s41586-020-3005-2en
dc.subjectRiver restorationen
dc.subjectBiodiversityen
dc.titleMore than one million barriers fragment Europe’s riversen
dc.typeArticle (peer-reviewed)en
oaire.citation.issue7838en
oaire.citation.volume588en
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