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dc.contributor.authorAlahuhta, Janneen_UK
dc.contributor.authorKosten, Sarianen_UK
dc.contributor.authorAkasaka, Munemitsuen_UK
dc.contributor.authorAuderset, Dominiqueen_UK
dc.contributor.authorAzzella, Mattiaen_UK
dc.contributor.authorBolpagni, Rossanoen_UK
dc.contributor.authorBove, Claudia Pen_UK
dc.contributor.authorChambers, Patricia Aen_UK
dc.contributor.authorChappuis, Eglantineen_UK
dc.contributor.authorIlg, Christianeen_UK
dc.contributor.authorClayton, Johnen_UK
dc.contributor.authorde Winston, Maryen_UK
dc.contributor.authorEcke, Fraukeen_UK
dc.contributor.authorGacia, Esperancaen_UK
dc.contributor.authorWillby, Nigelen_UK
dc.description.abstractAim: We studied global variation in beta diversity patterns of lake macrophytes using regional data from across the world. Specifically, we examined 1) how beta diversity of aquatic macrophytes is partitioned between species turnover and nestedness within each study region, and 2) which environmental characteristics structure variation in these beta diversity components.  Location: Global  Methods: We used presence-absence data for aquatic macrophytes from 21 regions distributed around the world. We calculated pairwise-site and multiple-site beta diversity among lakes within each region using Sørensen dissimilarity index and partitioned it into turnover and nestedness coefficients. Beta regression was used to correlate the diversity coefficients with regional environmental characteristics. Results: Aquatic macrophytes showed different levels of beta diversity within each of the 21 study regions, with species turnover typically accounting for the majority of beta diversity, especially in high-diversity regions. However, nestedness contributed 30-50% of total variation in macrophyte beta diversity in low-diversity regions. The most important environmental factor explaining the three beta diversity coefficients (total, species turnover and nestedness) was altitudinal range, followed by relative areal extent of freshwater, latitude and water alkalinity range. Main conclusions: Our findings show that global patterns in beta diversity of lake macrophytes are caused by species turnover rather than by nestedness. These patterns in beta diversity were driven by natural environmental heterogeneity, notably variability in altitudinal range (also related to temperature variation) among regions. In addition, a greater range in alkalinity within a region, likely amplified by human activities, was also correlated with increased macrophyte beta diversity. These findings suggest that efforts to conserve aquatic macrophyte diversity should primarily focus on regions with large numbers of lakes that exhibit broad environmental gradients. en_UK
dc.relationAlahuhta J, Kosten S, Akasaka M, Auderset D, Azzella M, Bolpagni R, Bove CP, Chambers PA, Chappuis E, Ilg C, Clayton J, de Winston M, Ecke F, Gacia E & Willby N (2017) Global variation in the beta diversity of lake macrophytes is driven by environmental heterogeneity rather than latitude. Journal of Biogeography, 44 (8), pp. 1758-1769.
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. This is the peer reviewed version of the following article: Alahuhta, J., Kosten, S., Akasaka, M., et. al (2017), Global variation in the beta diversity of lake macrophytes is driven by environmental heterogeneity rather than latitude. J. Biogeogr., 44: 1758-1769., which has been published in final form at This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.en_UK
dc.subjectAlkalinity rangeen_UK
dc.subjectAltitudinal rangeen_UK
dc.subjectAquatic plantsen_UK
dc.subjectFreshwater ecosystemen_UK
dc.subjectSpatial extenten_UK
dc.subjectSpecies turnoveren_UK
dc.titleGlobal variation in the beta diversity of lake macrophytes is driven by environmental heterogeneity rather than latitudeen_UK
dc.typeJournal Articleen_UK
dc.rights.embargoreason[Alahuhta_etal_Global_BetaDiv_JBI_R2.pdf] Until this work is formally published there will be an embargo on the full text of this work.en_UK
dc.citation.jtitleJournal of Biogeographyen_UK
dc.type.statusAM - Accepted Manuscripten_UK
dc.description.notesAdditional co-authors: Gana Gecheva, Patrick Grillas, Jennifer Hauxwell, Seppo Hellsten, Jan Hjort, Mark V. Hoyer, Agnieszka Kolada, Minna Kuoppala, Torben Lauridsen, En‒Hua Li, Balázs A. Lukács, Marit Mjelde, Alison Mikulyuk, Roger P. Mormul, Jun Nishihiro, Beat Oertli, Laila Rhazi, Mouhssine Rhazi, Laura Sass, Christine Schranz, Martin Søndergaard, Takashi Yamanouchi, Qing Yu, Haijun Wang, Xiao‒Ke Zhang, Jani Heinoen_UK
dc.contributor.affiliationUniversity of Ouluen_UK
dc.contributor.affiliationRadboud University Nijmegenen_UK
dc.contributor.affiliationTokyo University of Agriculture and Technologyen_UK
dc.contributor.affiliationUniversity of Genevaen_UK
dc.contributor.affiliationUniversity of Cagliarien_UK
dc.contributor.affiliationUniversity of Parmaen_UK
dc.contributor.affiliationFederal University of Rio de Janeiroen_UK
dc.contributor.affiliationEnvironment and Climate Change Canadaen_UK
dc.contributor.affiliationSpanish National Research Council (CSIC)en_UK
dc.contributor.affiliationUniversity of Applied Sciences and Arts Western Switzerland (CESCAP)en_UK
dc.contributor.affiliationNew Zealand National Institute of Water and Atmospheric Researchen_UK
dc.contributor.affiliationNew Zealand National Institute of Water and Atmospheric Researchen_UK
dc.contributor.affiliationLulea University of Technologyen_UK
dc.contributor.affiliationSpanish National Research Council (CSIC)en_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
rioxxterms.apcnot requireden_UK
rioxxterms.typeJournal Article/Reviewen_UK
local.rioxx.authorAlahuhta, Janne|en_UK
local.rioxx.authorKosten, Sarian|en_UK
local.rioxx.authorAkasaka, Munemitsu|en_UK
local.rioxx.authorAuderset, Dominique|en_UK
local.rioxx.authorAzzella, Mattia|en_UK
local.rioxx.authorBolpagni, Rossano|en_UK
local.rioxx.authorBove, Claudia P|en_UK
local.rioxx.authorChambers, Patricia A|en_UK
local.rioxx.authorChappuis, Eglantine|en_UK
local.rioxx.authorIlg, Christiane|en_UK
local.rioxx.authorClayton, John|en_UK
local.rioxx.authorde Winston, Mary|en_UK
local.rioxx.authorEcke, Frauke|en_UK
local.rioxx.authorGacia, Esperanca|en_UK
local.rioxx.authorWillby, Nigel|0000-0002-1020-0933en_UK
local.rioxx.projectInternal Project|University of Stirling|
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