Intresseområden

• Utveckling av beslutsstödsystem (Heureka)
• Optimering på bestånds- och landskapsnivå
• Skötselanalyser
• Strategisk och taktisk planering

Länkar

LinkedIn

Projekt

• Heureka, projektledare för systemutveckling

Publikationer

Beslutsstöd

Wikström, P., Edenius, L,, Elfving, B., Eriksson, L.O., Lämås, T., Sonesson, J., Öhman, K., Wallerman, J., Waller, C., Klintebäck, F., 2011. The Heureka Forestry Decision Support System: An Overview. Mathematical and Computational Forestry & Natural-Resource Sciences (MCFNS). Kommande nummer.

Wikström, P, Klintebäck, F, Westling, J. 2008. Beståndsvis: en simulator för analys av skogsskötsel. Fakta Skog nr 4 2008, SLU.

Landskap, spatala problem

Öhman, K, & Wikström, P. 2007. Incorporating aspects of habitat fragmentation into long term forest planning using mixed integer programming. Forest Ecology and Management 255(3.4): 440-446.

Policy och konsekvensalayser

Athanassiadis, D., Lundström, A., Wikström, P., Matisons M. , Nordfjell T. 2010. Is there enough primary forest fuel available to feed into the existing and planned CHP facilities? The case of Northern Sweden. Proceedings Forest Bioenergy 2010, Tampere, 31 August - 4 September 2010: 77-83.    

Backeus S., Wikström P., & Lämås, T. 2006. Modeling carbon sequestration and timber production in a regional case study. Silva Fennica 40(4): 615-629.

Backéus, S., Wikström, P., & Lämås, T. 2005. A model for regional analysis of carbon sequestration and timber production. Forest Ecology and Management 216: 28-40.

Bestånds/skötselanalyser

 Wikström, P. 2008. Jämförelse av ekonomi och produktion mellan trakthyggesbruk och blädning i skiktad granskog – analyser på beståndsnivå baserade på simulering. Skogsstyrelserapport nr 24 2008.

Wikström, P. 2007. Economics and productivity in selection harvesting in Norway spruce stands in Sweden - summary of results from a simulation study. Working report 197, Dep. of Forest Resource Management, SLU, Umeå.

Wikström, P. 2000. A solution method for uneven-aged management applied to Norway spruce. Forest Science 46: 452-463.

Wikström, P. & Eriksson, L.O. 2000. Solving the stand management problem under biodiversity-related considerations. Forest Ecology and Management 126: 361-376.

Kruys, N. & Wikström, P. 2001. Optimising uneven-aged management for economic efficiency and occurrence of wood-inhabiting species. In Kruys, N. Bryophytes and fungi on dead spruce: integrating conservation with forest management planning. Ph D dissertation, Umeå University, 2001.

Wikström, P. 2002. Målinriktad skogsskötsel – för lönsamhet och biologisk mångfald. Fakta Skog nr 6 2002. SLU.

Optimeringsmetodik 

Forsell, N., Wikström, P., Garcia, F., Sabbadin, R., Blennow, K. and Eriksson, L. O. 2009. Management of the risk of wind damage in forestry: a graph-based Markov decision process approach. Annals of Operations Research (online, feb 2009).

Péret, L., Eriksson, L-O,, Garcia, F., & Wikström, P. 2004. A Markov Decision Process approach for the stand management problem. In Proceedings of the European Workshop on Sequential Decisions under Uncertainty in Agriculture and Natural Resources (EWDA 2004), D. Parsons, ed., Silsoe (september 2004)

Wikström, P. 2001. Effect of decision variable definition and data aggregation on a search process applied to a single-tree simulator. Canadian Journal of Forest Research 31: 1057-1066.

Wikström, P. 1998. A tabu search optimizer for stand management under biodiversity-related considerations. In: Proceedings of the Biennial Meeting of the Scandinavian Society of Forest Economics, Umeå, Sweden, May-June 1998. Scandinavian Forest Economics No. 37, 1999.

Övriga publikationer

Wikström, P. 2005. Applikationen för långsiktig planering. In: Ingemarson, F. (Ed.) 2005. Har skogen mer att ge? Heureka årsrapport 2004. Fakulteten för skogsvetenskap, SLU. Rapport nr 20. Umeå. 44-50 (In Swedish with English summary)

Duvemo, K., Eriksson, L.O., Wikström, P. and Lämås, T. 2009. Cost plus loss analysis of current practice data in a large scale hierarchical forestry planning situation. In: Duvemo, K. 2009. The influence of data uncertainty on planning and decision processes in forest management. Acta Universitatis Agriculturae Suecica 2009:6. Doctoral Thesis.

Duvemo, K., Eriksson, L.O., Lämås, T. and Wikström, P. 2009. Introducing cost-plus-loss analysis into a hierarchical forest planning environment. In: Duvemo, K. 2009. The influence of data uncertainty on planning and decision processes in forest management. Acta Universitatis Agriculturae Suecica 2009:6. Doctoral Thesis.

Backéus, S., Lämås, T., & Wikström, P. 2003. Regional analyses of carbon sequestration and timber production. In: Vacik H. et al [eds.]: Decision support for multiple purpose forestry. A transdisciplinary conference on the development and application of decision support tools for forest management, April 23-25, 2003, University of Natural Resources and Applied Life Sciences, Vienna, Austria, CD-Rom Proceedings.

Wikström, P. 2000. Solving stand-level planning problems that involve multiple criteria and a single-tree growth model. PhD thesis, Silvestria 167, Swedish University of Agricultural Sciences, Umeå.