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Scale-dependent plant diversity in Palaearctic grasslands : a comparative overview


Dengler, Jürgen ; Biurrun, Idoia ; Apostolova, Iva ; Baumann, Esther ; Becker, Thomas ; Berastegi, Asun ; Boch, Steffen ; Cancellieri, Laura ; Dembicz, Iwona ; Didukh, Yakiv P. ; Dolnik, Christian ; Ermakov, Nikolai ; Filibeck, Goffredo ; García-Mijangos, Itziar ; del Galdo, Gianpietro G. ; Guarino, Riccardo ; Janišová, Monika ; Jaunatre, Renaud ; Jensen, Kai ; Jeschke, Michael ; Kacki, Zygmunt ; Kozub, Łukasz ; Kuzemko, Anna A. ; Löbel, Swantje ; Pedashenko, Hristo ; Polyakova, Mariya A. ; Ruprecht, Estzer ; Szabó, Anna ; Vassilev, Kiril ; Velev, Nikolay ; Weiser, Frank:
Scale-dependent plant diversity in Palaearctic grasslands : a comparative overview.
In: Bulletin of the Eurasian Dry Grassland Group. Bd. 31 (2016) . - S. 12-26.
ISSN 1868-2456


Link zum Volltext (externe URL): Volltext


Abstract: Here we present an extensive overview of plant diversity values in Palaearctic grasslands for seven standard grain sizesfrom 0.0001 to 100 m2. The data originate from 20 studies, including the Field Workshops of the Eurasian Dry Grassland Group(EDGG), ranging geographically from Spain in the west to Siberia in the east, from Sicily in the south to Estonia in the north and fromthe sea coast up to 3100 m a.s.l. The majority of data is from dry grasslands (Festuco-Brometea, Koelerio-Corynephoretea,Cleistogenetea squarrosae), but there are also some mesic, wet, saline, acidic, alpine and Mediterranean grasslands included. Amongothers, we compiled data from 1795 1-m2, 1109 10-m2 and 338 100-m2 plots. In all cases we present mean, minimum and maximumrichness for the seven grain sizes, plus, in cases where also terricolous bryophytes and lichens had been recorded, the same values fortotal “plant” species richness, non-vascular plant species richness and fraction of non-vascular plants. The maximum richness valueswere 82, 101 and 134 for all “plants”, and 79, 98 and 127 vascular plants at grain sizes of 1 m2, 10 m2 and 100 m2, respectively (all inTransylvania, Romania). Our overview comprises new, hitherto unpublished world records of vascular plant species richness at thescales of 0.0001 m2 (9) and 0.001 m2 (19, both shoot presence), from meso-xeric, basiphilous grasslands in Navarre, Spain, which ismuch higher than the previously known maxima. The highest values of non-vascular plant richness at 1 m2, 10 m2 and 100 m2,respectively, were 49, 64 and 64, respectively (all in Sedo-Scleranthenea communities of Öland, Sweden, and Saaremaa, Estonia). Ingeneral, the dry, alpine and Mediterranean grasslands were much richer than the studied mesic, wet or saline grasslands at any spatialscale. The presented set of mean, minimum and maximum values and their metadata is publically available and will be continuouslyupdated. These data can serve as a reference of “normal” richness, both in fundamental and applied research. To facilitate theapplication, we provide an easy formula based on the power-law species-area relationship that allows the estimation of richness valuesat intermediate grain sizes not included in our dataset. In conclusion, our data emphasise the role of Palaearctic grasslands as globalhotspot of small-scale vascular plant diversity, while at the same time highlighting that in some grassland types also the bryophyte andlichen diversity can be extraordinarily high.

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Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Nein
Zusätzliche Informationen: BAYCEER137296
Institutionen der Universität: Forschungseinrichtungen
Forschungseinrichtungen > Forschungszentren
Forschungseinrichtungen > Forschungszentren > Bayreuther Zentrum für Ökologie und Umweltforschung - BayCEER
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Biologie > Lehrstuhl Pflanzenökologie
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Biologie
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik
Eingestellt am: 16 Jan 2018 06:51
Letzte Änderung: 23 Apr 2018 08:49
URI: https://eref.uni-bayreuth.de/id/eprint/41338