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31.08.2018 | Original Paper | Ausgabe 14/2018

Biodiversity and Conservation 14/2018

Decline of rare and specialist species across multiple taxonomic groups after grassland intensification and abandonment

Zeitschrift:
Biodiversity and Conservation > Ausgabe 14/2018
Autoren:
Andreas Hilpold, Julia Seeber, Veronika Fontana, Georg Niedrist, Alexander Rief, Michael Steinwandter, Erich Tasser, Ulrike Tappeiner
Wichtige Hinweise
Communicated by Dirk Sven Schmeller.

Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1007/​s10531-018-1623-x) contains supplementary material, which is available to authorized users.
Andreas Hilpold and Julia Seeber have contributed equally as first authors.

Abstract

Traditionally managed mountain grasslands are declining as a result of abandonment or intensification of management. Based on a common chronosequence approach we investigated species compositions of 16 taxonomic groups on traditionally managed dry pastures, fertilized and irrigated hay meadows, and abandoned grasslands (larch forests). We included faunal above- and below-ground biodiversity as well as species traits (mainly rarity and habitat specificity) in our analyses. The larch forests showed the highest species number (345 species), with slightly less species in pastures (290 species) and much less in hay meadows (163 species). The proportion of rare species was highest in the pastures and lowest in hay meadows. Similar patterns were found for specialist species, i.e. species with a high habitat specificity. After abandonment, larch forests harbor a higher number of pasture species than hay meadows. These overall trends were mainly supported by spiders and vascular plants. Lichens, bryophytes and carabid beetles showed partly contrasting trends. These findings stress the importance to include a wide range of taxonomic groups in conservation studies. All in all, both abandonment and intensification had similar negative impacts on biodiversity in our study, underlining the high conservation value of Inner-Alpine dry pastures.

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Zusatzmaterial
Supplementary material 1 (DOCX 123 kb)
10531_2018_1623_MOESM1_ESM.docx
Literatur
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