Phytosociological analysis of European larch forests in the Southeastern Alps

Author:

Dakskobler I.1,Seliškar A.2,Rozman A.3

Affiliation:

1. Scientific Research Centre of the Slovenian Academy of Sciences and Arts, Institute of Biology , Regional Unit Tolmin, Brunov drevored 13, SI-5220 Tolmin .

2. Grobeljska cesta 6 b, 1234 Mengeš , Slovenia .

3. Biotechnical Faculty of the University in Ljubljana , Department of Forestry and Renewable Forest Resources , Večna pot 83, 1000 Ljubljana .

Abstract

Abstract Using the (unweighted) average linkage clustering (UPGMA) method we classified 458 phytosociological relevés of Larix decidua forests in the Southeastern Alps into 25 clusters. Based on their analysis we described the following new subassociations: Rhodothamno-Laricetum deciduae geetosum rivalis, sorbetosum chamaemespili, piceetosum abietis, adoxetosum moschatellinae, cystopteridetosum fragilis, cyclaminetosum purpurascentis, dryadetosum octopetalae and sorbetosum ariae. The selected method proved adequate in identifying the differences between larch stands on potential subalpine spruce and beech sites, and larch forests on the upper forest line, as well as the differences between initial larch stages on the upper forest line and more stable development stages on better developed soils on promontories and ledges above the upper beech forest line. Larch forests occur mainly in the altitudinal belt between (1,500) 1,600 and 1,800 (1,900) m, on shady aspects and slopes that are steeper than 30°. They are some of the best preserved forest types in the Southeastern Alps, on smaller surface areas (Macesnje above the Beli Potok valley in the Julian Alps) even virgin forests, and their role as biotopes is exceptional.

Publisher

Walter de Gruyter GmbH

Subject

Plant Science,Ecology, Evolution, Behavior and Systematics,Forestry

Reference56 articles.

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3. Aeschimann, D., Lauber, K., Moser, D. M. & Theurillat, J.-P. 2004c: Flora alpina. Bd. 3: Register. Haupt Verlag, Bern, Stuttgart, Wien, 322 pp.

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