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

Title data

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. Vol. 31 (2016) . - pp. 12-26.
ISSN 1868-2456

Official URL: Volltext

Abstract in another language

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 Our overview comprises new, hitherto unpublished world records of vascular plant species richness at thescales of 0.0001 m2 (9) and 0.001 m2 (19, both shoot presence), from meso-xeric, basiphilous grasslands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.

Further data

Item Type: Article in a journal
Refereed: No
Additional notes: BAYCEER137296
Institutions of the University: Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Plant Ecology
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 16 Jan 2018 06:51
Last Modified: 23 Apr 2018 08:49
URI: https://eref.uni-bayreuth.de/id/eprint/41338