TY - JOUR
T1 - Xeric grasslands of the inner-alpine dry valleys of Austria – new insights into syntaxonomy, diversity and ecology
AU - Magnes, Martin
AU - Willner, Wolfgang
AU - Janišová, Monika
AU - Mayrhofer, Helmut
AU - Khouri, Elías Afif
AU - Berg, Christian
AU - Kuzemko, Anna
AU - Kirschner, Philipp
AU - Guarino, Riccardo
AU - Rötzer, Harald
AU - Belonovskaya, Elena
AU - Berastegi, Asun
AU - Biurrun, Idoia
AU - García-Mijangos, Itziar
AU - Masic, Ermin
AU - Dengler, Jürgen
AU - Dembicz, Iwona
N1 - Publisher Copyright:
Copyright Martin Magnes et al.
PY - 2021/10/1
Y1 - 2021/10/1
N2 - Aims: We studied the syntaxonomic position, biodiversity, ecological features, nature conservation value and current status of dry grasslands investigated by Josias Braun-Blanquet more than 60 years ago. Study area: Inner-alpine valleys of Austria. Methods: We sampled 67 plots of 10 m
2, following the standardized EDGG methodology. We subjected our plots to an unsupervised classification with the modified TWINSPAN algorithm and interpreted the branches of the dendrogram syntaxonomically. Biodiversity, structural and ecological characteristics of the resulting vegetation units at association and order level were compared by ANOVAs. Results: All the examined grasslands belong to the class Festuco-Brometea. From ten distinguished clusters, we could assign four clusters to validly published associations, while the remaining six clusters were named tentatively. We classified them into three orders: Stipo-Festucetalia pallentis (Armerio elongatae-Potentilletum arenariae, Phleo phleoidis-Pulsatilletum nigricantis, Medicago minima-Melica ciliata community, Koelerio pyramidatae-Teucrietum montani), Festucetalia valesiacae (Sempervivum tectorum-Festuca valesiaca community); Brachypodietalia pinnati (Astragalo onobrychidis-Brometum erecti, Agrostis capillaris-Avenula adsurgens community, Anthericum ramosum-Brachypodium pinnatum community, Ranunculus bulbosus-Festuca rubra community, Carduus defloratus-Brachypodium pinnatum community). Conclusions: The ten distinguished dry grassland communities of the Austrian inner-alpine valleys differ in their ecological affinities as well as their vascular plant, bryophyte and lichen diversity. We point out their high nature conservation importance, as each of them presents a unique habitat of high value.
AB - Aims: We studied the syntaxonomic position, biodiversity, ecological features, nature conservation value and current status of dry grasslands investigated by Josias Braun-Blanquet more than 60 years ago. Study area: Inner-alpine valleys of Austria. Methods: We sampled 67 plots of 10 m
2, following the standardized EDGG methodology. We subjected our plots to an unsupervised classification with the modified TWINSPAN algorithm and interpreted the branches of the dendrogram syntaxonomically. Biodiversity, structural and ecological characteristics of the resulting vegetation units at association and order level were compared by ANOVAs. Results: All the examined grasslands belong to the class Festuco-Brometea. From ten distinguished clusters, we could assign four clusters to validly published associations, while the remaining six clusters were named tentatively. We classified them into three orders: Stipo-Festucetalia pallentis (Armerio elongatae-Potentilletum arenariae, Phleo phleoidis-Pulsatilletum nigricantis, Medicago minima-Melica ciliata community, Koelerio pyramidatae-Teucrietum montani), Festucetalia valesiacae (Sempervivum tectorum-Festuca valesiaca community); Brachypodietalia pinnati (Astragalo onobrychidis-Brometum erecti, Agrostis capillaris-Avenula adsurgens community, Anthericum ramosum-Brachypodium pinnatum community, Ranunculus bulbosus-Festuca rubra community, Carduus defloratus-Brachypodium pinnatum community). Conclusions: The ten distinguished dry grassland communities of the Austrian inner-alpine valleys differ in their ecological affinities as well as their vascular plant, bryophyte and lichen diversity. We point out their high nature conservation importance, as each of them presents a unique habitat of high value.
KW - Austria
KW - biodiversity
KW - Brachypodietalia pinnati
KW - Festucetalia valesiacae
KW - Festuco-Brometea
KW - inner-alpine dry valley
KW - resurvey
KW - semi-natural grassland
KW - soil parameter
KW - Stipo-Festucetalia pallentis
KW - syntaxonomy
KW - vegetation classification
UR - http://www.scopus.com/inward/record.url?scp=85127719231&partnerID=8YFLogxK
U2 - 10.3897/VCS/2021/68594
DO - 10.3897/VCS/2021/68594
M3 - Article
VL - 2
SP - 133
EP - 157
JO - Vegetation Classification and Survey
JF - Vegetation Classification and Survey
SN - 2683-0671
ER -