In the Alps, larch grasslands form one of the most pleasing aspects of the landscape. However, their effectiveness in contributing to biodiversity conservation may depend on the intensity of their management. We used a multi-taxon approach to evaluate the effects of the intensification of management practices and those of abandonment on the biodiversity of the main autotrophic organisms hosted in this habitat, including vascular plants, bryophytes, and lichens. The study was carried out in the eastern part of South Tyrol, in the Italian Alps, where the diversity patterns of these three organismal groups were compared among intensively managed, extensively managed, and abandoned stands. The management intensity was found to strongly influence the biodiversity of the organisms, with a general pattern indicating the best conditions in extensively managed stands. Both abandonment and management intensification were detrimental to biodiversity through different mechanisms that led to species loss or to major shifts in species composition. However, the most negative effects were related to management intensification, mainly due to the high nitrogen supply, providing evidence for the increasing impact of eutrophication on Alpine environments. © 2014 Elsevier B.V.

A multi-taxon approach reveals the effect of management intensity on biodiversity in Alpine larch grasslands / Nascimbene, Juri; Fontana, Veronika; Spitale, Daniel. - In: SCIENCE OF THE TOTAL ENVIRONMENT. - ISSN 0048-9697. - ELETTRONICO. - 487:1(2014), pp. 110-116. [10.1016/j.scitotenv.2014.04.013]

A multi-taxon approach reveals the effect of management intensity on biodiversity in Alpine larch grasslands

NASCIMBENE, JURI;
2014

Abstract

In the Alps, larch grasslands form one of the most pleasing aspects of the landscape. However, their effectiveness in contributing to biodiversity conservation may depend on the intensity of their management. We used a multi-taxon approach to evaluate the effects of the intensification of management practices and those of abandonment on the biodiversity of the main autotrophic organisms hosted in this habitat, including vascular plants, bryophytes, and lichens. The study was carried out in the eastern part of South Tyrol, in the Italian Alps, where the diversity patterns of these three organismal groups were compared among intensively managed, extensively managed, and abandoned stands. The management intensity was found to strongly influence the biodiversity of the organisms, with a general pattern indicating the best conditions in extensively managed stands. Both abandonment and management intensification were detrimental to biodiversity through different mechanisms that led to species loss or to major shifts in species composition. However, the most negative effects were related to management intensification, mainly due to the high nitrogen supply, providing evidence for the increasing impact of eutrophication on Alpine environments. © 2014 Elsevier B.V.
2014
A multi-taxon approach reveals the effect of management intensity on biodiversity in Alpine larch grasslands / Nascimbene, Juri; Fontana, Veronika; Spitale, Daniel. - In: SCIENCE OF THE TOTAL ENVIRONMENT. - ISSN 0048-9697. - ELETTRONICO. - 487:1(2014), pp. 110-116. [10.1016/j.scitotenv.2014.04.013]
Nascimbene, Juri; Fontana, Veronika; Spitale, Daniel
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/588622
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