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Environmental drivers and spatial scaling of species abundance distributions in Palaearctic grassland vegetation

2022-08Journal article Open access
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dc.contributor.authorUlrich, Werner
dc.contributor.authorMatthews, Thomas J.
dc.contributor.authorBiurrun, Idoia
dc.contributor.authorCampos, Juan Antonio
dc.contributor.authorCzortek, Patryk
dc.contributor.authorDembicz, Iwona
dc.contributor.authorEssl, Franz
dc.contributor.authorFilibeck, Goffredo
dc.contributor.authordel Galdo, Gian‐Pietro Giusso
dc.contributor.authorGüler, Behlül
dc.contributor.authorNaqinezhad, Alireza
dc.contributor.authorTörök, Péter
dc.contributor.authorDengler, Jürgen
dc.date.accessioned2023-01-17T17:55:52Z
dc.date.available2023-01-17T17:55:52Z
dc.date.issued2022-08
dc.description.abstractSpecies abundance distributions (SADs) link species richness with species abundances and are an important tool in the quantitative analysis of ecological communities. Niche-based and sample-based SAD models predict different spatial scaling properties of SAD parameters. However, empirical research on SAD scaling properties is largely missing. Here we extracted percentage cover values of all occurring vascular plants as proxies of their abundance in 1725 10-m2 plots from the GrassPlot database, covering 47 regional data sets of 19 different grasslands and other open vegetation types of the Palaearctic biogeographic realm. For each plot, we fitted the Weibull distribution, a model that is able to effectively mimic other distributions like the log-series and lognormal, to the species–log abundance rank order distribution. We calculated the skewness and kurtosis of the empirical distributions and linked these moments, along with the shape and scale parameters of the Weibull distribution, to plot climatic and soil characteristics. The Weibull distribution provided excellent fits to grassland plant communities and identified four basic types of communities characterized by different degrees of dominance. Shape and scale parameter values of local communities on poorer soils were largely in accordance with log-series distributions. Proportions of subdominant species tended to be lower than predicted by the standard lognormal SAD. Successive accumulation of plots of the same vegetation type yielded nonlinear spatial scaling of SAD moments and Weibull parameters. This scaling was largely independent of environmental correlates and geographic plot position. Our findings caution against simple generalizations about the mechanisms that generate SADs. We argue that in grasslands, lognormal-type SADs tend to prevail within a wider range of environmental conditions, including more extreme habitats such as arid environments. In contrast, log-series distributions are mainly restricted to comparatively species-rich communities on humid and fertile soils.en
dc.description.sponsorshipThe Eurasian Dry Grassland Group (EDGG) and the International Association for Vegetation Science (IAVS) supported the EDGG field workshops, which generated a core part of the GrassPlot data. The Bavarian Research Alliance (via the BayIntAn scheme) and the Bayreuth Center of Ecology and Environmental Research (BayCEER) funded the initial GrassPlot workshop during which the database was established (grants to Jürgen Dengler). Werner Ulrich acknowledges support from the Polish National Science Centre (Grant 2017/27/B/ NZ8/00316). Idoia Biurrun and Juan Antonio Campos were partly supported by the Basque Government (IT936-16). Goffredo Filibeck was partly supported by the MIUR initiative “Department of Excellence” (Law 232/2016) granted to DAFNE. Péter Török was supported by the NKFIH K 119225 and K 137573 projects and the HAS Momentum Program during the manuscript preparation. Franz Essl appreciates funding by the Austrian Science Foundation FWF (Grant I 3757-B29).en
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationUlrich, W., Matthews, T.J., Biurrun, I. et al. (2022). Environmental drivers and spatial scaling of species abundance distributions in Palaearctic grassland vegetation. "Ecology", 103(8), e3725. DOI:10.1002/ecy.3725en
dc.identifier.doi10.1002/ecy.3725pt_PT
dc.identifier.eissn1939-9170
dc.identifier.issn0012-9658
dc.identifier.pmcPMC9540260
dc.identifier.pmid35416279
dc.identifier.urihttp://hdl.handle.net/10400.3/6560
dc.identifier.wos000800746600001
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relation.publisherversionhttps://esajournals.onlinelibrary.wiley.com/doi/full/10.1002/ecy.3725pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectLognormal Distributionen
dc.subjectLog-series Distributionen
dc.subjectPalaearctic Grasslanden
dc.subjectPlant Coveren
dc.subjectSpatial Scalingen
dc.subjectSpecies Abundanceen
dc.subjectWeibull Distributionen
dc.titleEnvironmental drivers and spatial scaling of species abundance distributions in Palaearctic grassland vegetationen
dc.typejournal article
dspace.entity.typePublication
oaire.citation.conferencePlaceUnited Statesen
oaire.citation.issue(8)pt_PT
oaire.citation.titleEcologyen
oaire.citation.volume103pt_PT
person.familyNameMatthews
person.givenNameThomas
person.identifier.orcid0000-0002-7624-244X
person.identifier.scopus-author-id56005200900
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationb7b2a71f-eef1-4edb-a9f5-af567f123faa
relation.isAuthorOfPublication.latestForDiscoveryb7b2a71f-eef1-4edb-a9f5-af567f123faa

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