Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/31344
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dc.contributor.authorKelly, Martyn Gen_UK
dc.contributor.authorPhillips, Geoffreyen_UK
dc.contributor.authorJuggins, Stephenen_UK
dc.contributor.authorWillby, Nigel Jen_UK
dc.date.accessioned2020-06-27T00:04:42Z-
dc.date.available2020-06-27T00:04:42Z-
dc.date.issued2020-10en_UK
dc.identifier.other106582en_UK
dc.identifier.urihttp://hdl.handle.net/1893/31344-
dc.description.abstractThe reference model underlying the UK phytobenthos (diatom) tool for Water Framework Directive assessments is revisited and a new approach is proposed which uses quantile regression to predict the lowest values of the Trophic Diatom Index (equating to the best available condition) at any level of alkalinity . Whilst a reference model based on least disturbed or minimally impacted conditions would be preferable in theory, in practice the absence of lowland high alkalinity streams in a minimally impacted condition in the UK precludes the use of these approaches. Having proposed a revised reference model for phytobenthos, we then go on to examine the relationship between phytobenthos and macrophytes. These two groups respond to nutrients and other stressors in different ways with phytobenthos being more sensitive to nutrients whilst macrophytes better reflect the extent to which secondary effects are likely. We argue that averaging the two sub-elements of the “macrophytes and phytobenthos” biological quality element is a more realistic option than the current approach of taking the lower of the two assessments. It is, however, possible, to predict the value of the combined quality element from either sub-element, though we recognize that this also risks misclassifications.en_UK
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.relationKelly MG, Phillips G, Juggins S & Willby NJ (2020) Re-evaluating expectations for river phytobenthos assessment and understanding the relationship with macrophytes. Ecological Indicators, 117, Art. No.: 106582. https://doi.org/10.1016/j.ecolind.2020.106582en_UK
dc.rightsThis item has been embargoed for a period. During the embargo please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study. Accepted refereed manuscript of: Kelly MG, Phillips G, Juggins S & Willby NJ (2020) Re-evaluating expectations for river phytobenthos assessment and understanding the relationship with macrophytes. Ecological Indicators, 117, Art. No.: 106582. https://doi.org/10.1016/j.ecolind.2020.106582 © 2020, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/en_UK
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/en_UK
dc.subjectDiatomsen_UK
dc.subjectPhytobenthosen_UK
dc.subjectReference concepten_UK
dc.subjectWater Framework Directiveen_UK
dc.subjectMacrophytesen_UK
dc.subjectRiversen_UK
dc.titleRe-evaluating expectations for river phytobenthos assessment and understanding the relationship with macrophytesen_UK
dc.typeJournal Articleen_UK
dc.rights.embargodate2021-06-06en_UK
dc.rights.embargoreason[Phytobenthos_reference_model_200513_clean.pdf] Publisher requires embargo of 12 months after formal publication.en_UK
dc.identifier.doi10.1016/j.ecolind.2020.106582en_UK
dc.citation.jtitleEcological Indicatorsen_UK
dc.citation.issn1872-7034en_UK
dc.citation.issn1470-160Xen_UK
dc.citation.volume117en_UK
dc.citation.publicationstatusPublisheden_UK
dc.citation.peerreviewedRefereeden_UK
dc.type.statusAM - Accepted Manuscripten_UK
dc.contributor.funderScottish Environment Protection Agencyen_UK
dc.author.emailn.j.willby@stir.ac.uken_UK
dc.citation.date05/06/2020en_UK
dc.contributor.affiliationUniversity of Nottinghamen_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.contributor.affiliationNewcastle Universityen_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.identifier.isiWOS:000555552100015en_UK
dc.identifier.scopusid2-s2.0-85086012837en_UK
dc.identifier.wtid1638932en_UK
dc.contributor.orcid0000-0002-1020-0933en_UK
dc.date.accepted2020-05-27en_UK
dcterms.dateAccepted2020-05-27en_UK
dc.date.filedepositdate2020-06-26en_UK
rioxxterms.apcnot requireden_UK
rioxxterms.typeJournal Article/Reviewen_UK
rioxxterms.versionAMen_UK
local.rioxx.authorKelly, Martyn G|en_UK
local.rioxx.authorPhillips, Geoffrey|en_UK
local.rioxx.authorJuggins, Stephen|en_UK
local.rioxx.authorWillby, Nigel J|0000-0002-1020-0933en_UK
local.rioxx.projectProject ID unknown|Scottish Environment Protection Agency|http://dx.doi.org/10.13039/100009787en_UK
local.rioxx.freetoreaddate2021-06-06en_UK
local.rioxx.licencehttp://www.rioxx.net/licenses/under-embargo-all-rights-reserved||2021-06-05en_UK
local.rioxx.licencehttp://creativecommons.org/licenses/by-nc-nd/4.0/|2021-06-06|en_UK
local.rioxx.filenamePhytobenthos_reference_model_200513_clean.pdfen_UK
local.rioxx.filecount1en_UK
local.rioxx.source1872-7034en_UK
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