1. bookVolume 15 (2016): Issue 1 (June 2016)
Journal Details
License
Format
Journal
eISSN
1854-9829
First Published
10 Jul 2007
Publication timeframe
2 times per year
Languages
English
access type Open Access

Two new pioneer communities of Sorbus aucuparia and Sorbus aria in the southern Julian Alps

Published Online: 22 Feb 2016
Volume & Issue: Volume 15 (2016) - Issue 1 (June 2016)
Page range: 67 - 91
Received: 28 Apr 2015
Accepted: 18 Oct 2015
Journal Details
License
Format
Journal
eISSN
1854-9829
First Published
10 Jul 2007
Publication timeframe
2 times per year
Languages
English
Abstract

In the southern Julian Alps we described two communities whose tree layer is dominated by species from the genus Sorbus and noted two successional stages in the overgrowing of abandoned agricultural land (pastures, hay meadows). In the secondary succession on former subalpine pastures above the alp Planina Razor und under the Breginjski Stol ridge, where potential natural vegetation consists of subalpine beech forest, dwarf pine has been overgrown with mountain ash (Sorbus aucuparia) whose stands are classified into the new association Rhododendro hirsuti-Sorbetum aucupariae. Whitebeam (Sorbus aria) has established itself on steep former hay meadows in the belt of altimontane beech forests under Mts. Jalovnik and Krikov Vrh, on gullied slopes on mixed geological bedrock dominated by chert, and these stands are classified into the association Calamagrostio arundinaceae-Sorbetum ariae. While occupying only small areas these two pioneer stages, as the sites of some rare or protected species, are nevertheless important biotopes and play a vital role in protection against avalanches.

Keywords

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