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Im Wald verbleibende Biomasse bei Dickungspflege und Durchforstungen

Project Leader

Stampfer Karl, Project Leader

Duration:

01.07.2014-01.03.2015

Type of Research

Applied Research

Project partners

Mayr-Melnhof Forsttechnik GmbH, Frohnleiten, Austria.
Function of the Project Partner: Partner

Staff

Hochbichler Eduard, Sub Projectleader

Huber Christoph, Project Staff (bis 31.08.2018)

BOKU Research Units

Institute of Forest Engineering

Institute of Silviculture

Funded by

FHP Kooperationsplattform Forst Holz Papier, Gumpendorfer Str. 6, 1061 Wien, Austria

Abstract

In Austria, the use of energy wood has roughly doubled since 1990 to present date and it is projected that energy wood demand will further increase in the coming years. This gives incentive to increase the use of forest biomass. With each use of the biomass, nutrients are withdrawn from the forest stands. These losses cannot be covered by nutrient inputs. Thus, in the long term, a reduction in soil fertility is expected. The selection of harvesting method has a great influence on the nutrient balance by depleting different nutrient-rich compartments, and thus significantly influences the local sustainability.

The goal of this project is to analyze how much biomass and nutrients remain in the stand over one rotation period after performing tending operations and thinnings with cable yarders using the whole tree extraction method, and taking into account different regeneration methods. Further measures will be discussed for increasing the remaining biomass in stands and recommendations for practice will be developed.

Keywords

Forest engineering;

Publications

Huber, C (2015): Nährstoffnachhaltige Holzernte am Steilhang.

Forst & Technik, (12), 26-28; ISSN 1435-1013

Huber, C (2015): Abzopfen - eine Alternative zum Sortimentsverfahren?.

Österreichische Forstzeitung, 126 (5), 8-10; ISSN 1012-4667

Huber, C (2015): Läuterungen - Energieholz- oder Nährstofflieferanten?.

Österreichische Forstzeitung, 126 (6), 28-29; ISSN 1012-4667

** Huber, C; Stampfer, K Efficiency of Topping Trees in Cable Yarding Operations.

CROAT J FOR ENG. 2015; 36(2): 185-194. WoS

Vorträge

Huber, C; Stampfer K. (2016): Topping of Trees in Cable Logging - Benefits and Costs.

1st IUFRO Division 3 Doctoral Student Conference, AUG 28-31, 2016, Corvallis (Oregon), USA