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Scale-dependent species diversity in a semi-dry basiphilous grassland (Bromion erecti) of Upper Franconia (Germany)

Title data

Hopp, Dominic ; Dengler, Jürgen:
Scale-dependent species diversity in a semi-dry basiphilous grassland (Bromion erecti) of Upper Franconia (Germany).
In: Bulletin of the Eurasian Dry Grassland Group. Vol. 28 (2015) Issue November . - pp. 10-15.
ISSN 1868-2456

Official URL: Volltext

Abstract in another language

We analysed a semi-dry basiphilous grassland near Bayreuth, Upper Franconia, Germany with nested-plot sampling on areas from 0.0001 to 100 m². The stand clearly belongs to the order Brachypodietalia pinnati of the class Festuco-Brometea. Within this order, the affinity to the subatlantic alliance Bromion erecti was higher than to the subcontinental Cirsio-Brachypodion pinnati, while the assignment to any of the current Bromion erecti associations remained unclear due to a lack of an up-to-date syntaxonomic revision of the dry grasslands in Germany. The species richness for the different grain sizes was always above those for Brachypodietalia pinnati communities in NE Germany, but below the extremely rich stands in the White Carpathians or Transylvania. The species-area relationships also had a very low slope (e.g. z = 0.18 for all species com-bined), pointing to an unusually high homogeneity of the stand or rather a limited regional species pool. The richness values in Bayreuth at smallest grain sizes reached about ¾ of the known maxima in European grasslands, but only about ½ for the areas from 1 m² upwards. When comparing our richness data with data from the literature, we came across one previously overlooked world record, namely 7 vascular plant species on 1 cm² in two Ukrainian grasslands (the old record was 5 species). In general, our small dataset is a valuable contribution to the envisaged synthesis of scale-dependent diversity patterns in grasslands across the Palaearctic

Further data

Item Type: Article in a journal
Refereed: No
Additional notes: BAYCEER131500
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 Earth Sciences > Professorship Disturbance Ecology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Plant Ecology
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 01 Aug 2016 12:00
Last Modified: 04 Jan 2018 06:34
URI: https://eref.uni-bayreuth.de/id/eprint/33751