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Investigating alpine grass patches for their susceptibility to erosion

Project Leader
Florineth Florin, Project Leader
Duration:
26.08.1999-24.02.2002
Type of Research
Applied Research
Staff
BOKU Research Units
Institute of Soil Bioengineering and Landscape Construction
Funded by
Federal Ministry of Agriculture, Forestry, Environment and Water Management , Stubenring 1, A-1012 Wien, Austria
Abstract
General:
Alpine areas above the timberline which are grazed or exploited for tourism purposes frequently
show little or no superficial signs of erosion. But heavy rainfall may nevertheless cause
erosion damage of large sheets of land.
Methodology:
A survey of the vegetation aims to determine whether the vegetation cover shows signs of slope
instability. This offers an opportunity to test SCHAUER's hypothesis (1975, 1996) that
a uniform root layer is the main cause of soil erosion.The second stage investigates whether
a scientific analysis of the field soil can help determine the risk of erosion. This work is based
on DOMMERMUTH's hypothesis (1996) that certain soil parameters are indicators of erosion
risk.The third stage is an evaluation of soil bioengineering measures taken for future and
improved erosion protection.The analyses are made in the Sellrain valley and Karwendel
mountains in Tyrol, in the Meran 2000 erosion area in South Tyrol, along the Grossglockner
Mountain Road in Carinthia, along the Felbertauern Road (Salzburg/Tyrol) and at the Galina
stream in Vorarlberg.
The object of the research project is to develop a quick and simple test
to determine susceptibility to erosion of a given area by surveying the vegetation and soil.
Keywords
plant sociology; erosion (erosion control); soil science;
soil; susceptibility to erosion; erosion control; vegetation;
Publications

Graiss, W. (2003): Erosionsanfälligkeit alpiner Rasenbestände.
[1. PAP "Almwirtschaft" 2003, Irdning, Austria, 29.01.2003]

In: Bundesministerium für Land- und Forstwirtschaft, Umwelt und Wasserwirtschaft (Hrsg.): 1. PAP "Almwirtschaft", 29.01.2003, Gumpenstein, 39-40, Wien

Florineth, F., Mittendrein, B., Stern, R. (2002): Untersuchung und Früherkennung der Erosionsanfälligkeit von alpinen Rasenbeständen.

Endbericht; Auftraggeber: Bundesministerium für Land- und Forstwirtschaft, Umwelt und Wasserwirtschaft

Florineth, F., Mittendrein, B., Stern, R. (2002): Erosionsbekämpfung im Waldgrenzbereich.

Zeitschrift Ländlicher Raum, 06, 1-8 FullText

Florineth, F. (2001): L`uso e la produzione di piante autoctone per interventi di ingegneria naturalistica..

In: Università degli Studi dell`Insubria/Varese (Ed.): 96° congresso della Società Botanica Italiana, 28¿30

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