Development of a spatial decision support system (SDSS) for silvicultural planning and decision making in secondary Norway Spruce forests.
Abstract
Silvicultural decision making in damaged off-site Norway spruce stands is a multi-objective and multi-attribute decision making problem. The site conditions in warmer and drier lowlands make Norway spruce vulnerable to drought, windthrow and an array of insect and desease organisms. Additonally scenarios of a possible climate change increase the risk of pure Norway spruce forests. Conversion of such stands into mixed-species stands are recommended. The forest manager is challenged by the task to adapt silvicultural planning and decision making to these circumstances, intuitive or schematical solutions may be not appropriate. To support the decision maker in analysing such complex decision problems SDSS (spatial decision support systems) can provide valuable help. In this contribution we want to give a short outline of the development of a SDSS for silvicultural planning in low-elevation Norway spruce forests. The SDSS shall be used to structure the decision process through an formal decision analysis. An array of silvicultural alternatives for conversion of "secondary" spruce stands are evaluated relating to the objectives of the forest owner, decreasing risk of management and ensuring sustainable site productivity. A forest growth model is employed to project stand growth according to the assumptions of a decision alternative. The overall best solution for a particular stand shall be achieved by multi-attribute-decision making techniques. A frame for commercial GIS software and optimization tools is constructed, which allows a user friendly application.
decision support secondary coniferous forest
Publikationen
Entwicklung eines GIS-basierten entscheidungsunterstützenden Systems (SDSS) zur waldbaulichen Planung in sekundaren Fichtenwaldern.
Autoren: Vacik, H; Lexer, M J Jahr: 1999
Journal articles
Development of a spatial decision support system (SDSS) for silvicultural planning in low-elevation Norway spruce forests.
Autoren: Vacik, H., Lexer, M.J., Oitzinger, G. Jahr: 2000
Conference & Workshop proceedings, paper, abstract
Implementing a Decision Support System for Silvicultural Decision Making in Low-Elevation Norway Spruce Forests.
Autoren: Lexer, M.J., Vacik, H., Hönninger, K., Unegg, F. Jahr: 2000
Conference & Workshop proceedings, paper, abstract
A multi-attribute utility model to support silvicultural decision making in secondary Norway spruce forests.
Autoren: Lexer, M.J., Jäger, D. Jahr: 2001
Conference & Workshop proceedings, paper, abstract
Entwicklung eines GIS-basierten entscheidungsunterstützenden Systems (SDSS) zur waldbaulichen Planung im Rahmen von Waldumbauvorhaben in sekundären Fichtenwäldern,
Autoren: Vacik H., Lexer M.J. Jahr: 2001
Forschungsbericht (extern. Auftraggeber)
Decision Support Systems in Forest Management
Autoren: Keith M. Reynolds, Mark Twery, Manfred J. Lexer, Harald Vacik, Duncan Ray, Guofan Shao and Jose G. Borges Jahr: 2008
Chapter in collected volumes
Project staff
Harald Vacik
Ao.Univ.Prof. Dipl.-Ing. Dr.nat.techn. Harald Vacik
harald.vacik@boku.ac.at
Tel: +43 1 47654-91312
Project Leader
01.11.1999 - 31.12.2001
Manfred Josef Lexer
Univ.Prof. Dipl.-Ing. Dr.nat.techn. Manfred Josef Lexer
mj.lexer@boku.ac.at
Tel: +43 1 47654-91316
Project Staff
01.11.1999 - 31.12.2001