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Biodiversity and Conservation

, Volume 27, Issue 14, pp 3729–3744 | Cite as

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

  • Andreas Hilpold
  • Julia Seeber
  • Veronika Fontana
  • Georg Niedrist
  • Alexander Rief
  • Michael Steinwandter
  • Erich Tasser
  • Ulrike Tappeiner
Original Paper

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.

Keywords

Biodiversity survey Land-use change Multi-taxon study Trait-based approach Biodiversity conservation 

Notes

Acknowledgements

For their help in organizing field campaigns, we thank Thomas Wilhalm, Michele Torresani, Alessandro Zandonai, Stefano Della Chiesa, the municipality of Mals/Malles and the village community of Matsch/Mazia. We acknowledge the Museum of Nature South Tyrol in Bozen/Bolzano for data base consultation. This study was conducted at the LTSER platform LTER_EU_IT_097 - Val Mazia/Matschertal, member of the national and international long term ecological research networks (LTER-Italy, LTER Europe and ILTER). The presented work was made possible by the funding of the Province of Bozen/Bolzano - South Tyrol for the LTSER platform. Finally, we thank Rachele Carloni for drawing cliparts of plants and animals.

Supplementary material

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

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© Springer Nature B.V. 2018

Authors and Affiliations

  1. 1.Institute for Alpine EnvironmentEurac ResearchBolzanoItaly
  2. 2.Department of EcologyUniversity of InnsbruckInnsbruckAustria

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