Titel
Ant Diversity and Community Composition in Alpine Tree Line Ecotones
Autor*in
Abstract
Ants are crucial for the functioning of many terrestrial ecosystems, but detailed knowledge of their ecological role is often lacking. This is true for high mountains where a steep environmental gradient exists from mountainous forest, densely populated by ants, to grassland habitats above the tree line, harboring a sparse ant community. We assessed ant communities in and around the tree line ecotone on five slopes in the southern-central Alps, focusing on their species diversity, community composition, and functional dimensions. Species richness and functional diversity were highest directly at the ecotone. Ant community composition was shaped by elevation and shrub cover. Further, the abundance of the dominant mound-building red wood ants (Formica s. str.) influenced the community composition of the subordinate species. We conclude that over the tree line ecotone a shift in predominance from biotic limitations in the forest to abiotic filters in the alpine environment takes place.
Stichwort
ant ecologybiodiversityalpine ecologyfunctional diversityfunctional traitselevation gradients
Objekt-Typ
Sprache
Englisch [eng]
Persistent identifier
Erschienen in
Titel
Insects
Band
12
Ausgabe
3
ISSN
2075-4450
Erscheinungsdatum
2021
Seitenanfang
219
Publication
MDPI AG
Erscheinungsdatum
2021
Zugänglichkeit
Rechte
Rechteangabe
© 2021 by the authors
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