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dc.contributor.authorZhang, Jinhui-
dc.contributor.authorGillet, François-
dc.contributor.authorBartha, Sándor-
dc.contributor.authorAlatalo, Juha Mikael-
dc.contributor.authorBiurrun, Idoia-
dc.contributor.authorDembicz, Iwona-
dc.contributor.authorGrytnes, John‐Arvid-
dc.contributor.authorJaunatre, Renaud-
dc.contributor.authorPielech, Remigiusz-
dc.contributor.authorVan Meerbeek, Koenraad-
dc.contributor.authorVynokurov, Denys-
dc.contributor.authorWidmer, Stefan-
dc.contributor.authorAleksanyan, Alla-
dc.contributor.authorBhatta, Kuber Prasad-
dc.contributor.authorCampos, Juan Antonio-
dc.contributor.authorCzortek, Patryk-
dc.contributor.authorDolezal, Jiri-
dc.contributor.authorEssl, Franz-
dc.contributor.authorGarcía‐Mijangos, Itziar-
dc.contributor.authorGuarino, Riccardo-
dc.contributor.authorGüler, Behlül-
dc.contributor.authorHájek, Michal-
dc.contributor.authorKuzemko, Anna-
dc.contributor.authorLi, Frank Yonghong-
dc.contributor.authorLöbel, Swantje-
dc.contributor.authorMoradi, Halime-
dc.contributor.authorNaqinezhad, Alireza-
dc.contributor.authorSilva, Vasco-
dc.contributor.authorŠmerdová, Eva-
dc.contributor.authorSonkoly, Judit-
dc.contributor.authorStifter, Simon-
dc.contributor.authorTalebi, Amir-
dc.contributor.authorTörök, Péter-
dc.contributor.authorWhite, Hannah-
dc.contributor.authorWu, Jianshuang-
dc.contributor.authorDengler, Jürgen-
dc.date.accessioned2021-06-23T08:10:04Z-
dc.date.available2021-06-23T08:10:04Z-
dc.date.issued2021-
dc.identifier.issn1100-9233de_CH
dc.identifier.issn1654-1103de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/22678-
dc.description.abstractQuestions: Species–area relationships (SARs) are fundamental for understanding biodiversity patterns and are generally well described by a power law with a constant exponent z. However, z-values sometimes vary across spatial scales. We asked whether there is a general scale dependence of z-values at fine spatial grains and which potential drivers influence it. Location: Palaearctic biogeographic realm. Methods: We used 6,696 nested-plot series of vascular plants, bryophytes and lichens from the GrassPlot database with two or more grain sizes, ranging from 0.0001 m² to 1,024 m² and covering diverse open habitats. The plots were recorded with two widespread sampling approaches (rooted presence = species “rooting” inside the plot; shoot presence = species with aerial parts inside). Using Generalized Additive Models, we tested for scale dependence of z-values by evaluating if the z-values differ with gran size and tested for differences between the sampling approaches. The response shapes of z-values to grain were classified by fitting Generalized Linear Models with logit link to each series. We tested whether the grain size where the maximum z-value occurred is driven by taxonomic group, biogeographic or ecological variables. Results: For rooted presence, we found a strong monotonous increase of z-values with grain sizes for all grain sizes below 1 m². For shoot presence, the scale dependence was much weaker, with hump-shaped curves prevailing. Among the environmental variables studied, latitude, vegetation type, naturalness and land use had strong effects, with z-values of secondary peaking at smaller grain sizes. Conclusions: The overall weak scale dependence of z-values underlines that the power function generally is appropriate to describe SARs within the studied grain sizes in continuous open vegetation, if recorded with the shoot presence method. When clear peaks of z-values occur, this can be seen as an expression of granularity of species composition, partly driven by abiotic environment.de_CH
dc.language.isoende_CH
dc.publisherWileyde_CH
dc.relation.ispartofJournal of Vegetation Sciencede_CH
dc.rightsLicence according to publishing contractde_CH
dc.subjectBeta diversityde_CH
dc.subjectGrasslandde_CH
dc.subjectGrassPlotde_CH
dc.subjectHeterogeneityde_CH
dc.subjectPalaearcticde_CH
dc.subjectPower lawde_CH
dc.subjectRooted presencede_CH
dc.subjectScale dependencede_CH
dc.subjectShoot presencede_CH
dc.subjectSpecies–area relationshipde_CH
dc.subjectVegetationde_CH
dc.subjectZ-valuede_CH
dc.subject.ddc333.7: Landflächen, Naturerholungsgebietede_CH
dc.subject.ddc580: Pflanzen (Botanik)de_CH
dc.titleScale dependence of species–area relationships is widespread but generally weak in Palaearctic grasslandsde_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
dcterms.typeTextde_CH
zhaw.departementLife Sciences und Facility Managementde_CH
zhaw.organisationalunitInstitut für Umwelt und Natürliche Ressourcen (IUNR)de_CH
dc.identifier.doi10.1111/jvs.13044de_CH
zhaw.funding.euNode_CH
zhaw.issue3de_CH
zhaw.originated.zhawYesde_CH
zhaw.pages.starte13044de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume32de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
zhaw.webfeedVegetationsökologiede_CH
zhaw.author.additionalNode_CH
zhaw.display.portraitYesde_CH
Appears in collections:Publikationen Life Sciences und Facility Management

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