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Distribution of evergreen broad-leaved woody species in Insubria in relation to bedrock and precipitation

Title data

Berger, Silje ; Walther, Gian-Reto:
Distribution of evergreen broad-leaved woody species in Insubria in relation to bedrock and precipitation.
In: Botanica Helvetica. Vol. 116 (2006) Issue 1 . - pp. 65-77.
ISSN 1420-9063
DOI: https://doi.org/10.1007/s00035-006-0749-8

Abstract in another language

An increasing number of evergreen broad-leaved species has naturalised in deciduous lowland forests near the lakes of southern Switzerland and northern Italy (Insubria), favoured by rising winter temperatures of the last few decades. We investigated how the abundance of these species varies across the Insubrian region, and whether distribution patterns can be explained by the responses of particular species to local environmental constraints. Species composition, cover values and maximal size of exotic and indigenous evergreen broad-leaved species were recorded at 22 study sites throughout the Insubrian region and analysed in relation to the regional precipitation gradient and geological bedrock. The survey revealed distinct differences in the distribution and composition of evergreen broad-leaved species: some species were restricted to the moister western part of Insubria, probably due to low drought tolerance, whereas other species were mainly found in the drier eastern part of Insubria or on calcareous rock, probably due to competitive exclusion from more fertile sites. These ecological preferences generally correspond to those reported from the core range of the species, but some local limitations suggest a restricted ecological breadth of species occurring at their northern range margin.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER41256
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Plant Ecology
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 29 Jul 2015 05:53
Last Modified: 29 Jul 2015 05:53
URI: https://eref.uni-bayreuth.de/id/eprint/17403