TY - JOUR

T1 - Working group on dry grasslands in the nordic and baltic region - Outline of the project and first results for the class Festuco-Brometea

AU - Dengler, Jürgen

AU - Rusina, Solvita

AU - Boch, Steffen

AU - Bruun, Hans Henrik

AU - Diekmann, Martin

AU - Dierßen, Klaus

AU - Dolnik, Christian

AU - Dupré, Cecilia

AU - Golub, Valentin B.

AU - Grytnes, John Arvid

AU - Helm, Aveliina

AU - Ingerpuu, Nele

AU - Löbel, Swantje

AU - Pärtel, Meelis

AU - Rašomavičius, Valerijus

AU - Tyler, Germund

AU - Znamenskiy, Sergey R.

AU - Zobel, Martin

N1 - The copyright for articles in this journal are retained by the author(s), with first publication rights granted to the journal, articles are free to use with proper attribution in educational and other non-commercial setting.

PY - 2006

Y1 - 2006

N2 - The vegetation databank established by our working group covers the classes Festuco-Brometea, Koelerio-Corynephoretea, and Trifolio-Geranietea sanguinei in the Nordic and Baltic region. i.e. NE Germany, Denmark, Norway, Sweden, Finland, N Poland, Lithuania, Latvia, Estonia, and NW Russia. We aim to use these data to develop a consistent supra-national phytosociological classification of these xerothermic vegetation types in the study area and to analyse their biodiversity patterns. Up to now, we located some 12,500 relevés meeting our criteria, and more than 3,500 of them have already been included in the databank. We give an overview of the properties of these relevés as regards coverage of syntaxa and countries, source types, plot sizes, and cryptogam treatment. We also present first analyses for the basiphilous semi-dry grasslands (Brachypodietalia pinnati) within the Festuco-Brometea. For this group of communities, many different and incompatible classification schemes have been proposed. We give an overview of the alliance and association names that have been in use for them in the study area, accompanied by a nomenclatural assessment. The relevés presently included in the databank have been tentatively assigned to those vegetation classes whose diagnostic taxa were prevailing. Accordingly, more than 2,000 relevés have been placed in the Festuco-Brometea. These show considerable floristic differenccs compared to stands of the southern temperate Brachypodietalia pinnati alliances Bromion erecti, Cirsio-Brachypodion pinnati, and Agrostion vinealis. The presence degrees of Avenula pratensis and Homalothecium lutescens, for instance, are significantly increased in the study area, and those of Festuca rupicola and Euphorbia cyparissias decreased. An analysis of the species-area relationship yielded a power function with z = 0.09 which is considerably lower than increments determined by nested-plot analyses of this community type, indicating the probable incompleteness of the species lists for many of the larger plots. Finally, we give an outlook on the future objectives of the working group.

AB - The vegetation databank established by our working group covers the classes Festuco-Brometea, Koelerio-Corynephoretea, and Trifolio-Geranietea sanguinei in the Nordic and Baltic region. i.e. NE Germany, Denmark, Norway, Sweden, Finland, N Poland, Lithuania, Latvia, Estonia, and NW Russia. We aim to use these data to develop a consistent supra-national phytosociological classification of these xerothermic vegetation types in the study area and to analyse their biodiversity patterns. Up to now, we located some 12,500 relevés meeting our criteria, and more than 3,500 of them have already been included in the databank. We give an overview of the properties of these relevés as regards coverage of syntaxa and countries, source types, plot sizes, and cryptogam treatment. We also present first analyses for the basiphilous semi-dry grasslands (Brachypodietalia pinnati) within the Festuco-Brometea. For this group of communities, many different and incompatible classification schemes have been proposed. We give an overview of the alliance and association names that have been in use for them in the study area, accompanied by a nomenclatural assessment. The relevés presently included in the databank have been tentatively assigned to those vegetation classes whose diagnostic taxa were prevailing. Accordingly, more than 2,000 relevés have been placed in the Festuco-Brometea. These show considerable floristic differenccs compared to stands of the southern temperate Brachypodietalia pinnati alliances Bromion erecti, Cirsio-Brachypodion pinnati, and Agrostion vinealis. The presence degrees of Avenula pratensis and Homalothecium lutescens, for instance, are significantly increased in the study area, and those of Festuca rupicola and Euphorbia cyparissias decreased. An analysis of the species-area relationship yielded a power function with z = 0.09 which is considerably lower than increments determined by nested-plot analyses of this community type, indicating the probable incompleteness of the species lists for many of the larger plots. Finally, we give an outlook on the future objectives of the working group.

KW - Biodiversity

KW - Dry grasslands

KW - Festuco-Brometea

KW - Nordic and Baltic region

KW - Syntaxonomy

KW - Vegetation databank

KW - Biology

UR - http://www.scopus.com/inward/record.url?scp=78649766572&partnerID=8YFLogxK

U2 - 10.4462/annbotrm-9158

DO - 10.4462/annbotrm-9158

M3 - Journal articles

AN - SCOPUS:78649766572

VL - 6

SP - 1

EP - 28

JO - Annali di Botanica

JF - Annali di Botanica

SN - 0365-0812

ER -