Using value functions to elicit spatial preference information

Korosuo, Anu and Holmstrom, Hampus and Ohman, Karin and Eriksson, Ljusk Ola (2013) Using value functions to elicit spatial preference information. European Journal of Forest Research, 132 (3). pp. 551-563. ISSN 1612-4669

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Decision making in forest planning often involves situations, where the value of the stand is dependent on its location or the properties of the stands nearby. Often the most intuitive tool to describe spatial objectives and outcomes is a visual map. However, evaluating and comparing different maps may prove a considerable cognitive burden, especially over large areas and in long-term planning. In this study, we investigate the use of value functions for eliciting spatial preference information from maps. Our case study is part of a project investigating the possibilities of increasing broadleaf-tree-dominated habitats in a northern Swedish landscape. The experts involved in the project evaluated maps showing different fragmentation patterns. Different spatial indices were then calculated for the maps, and expert evaluations were used to sketch value functions describing the preferred fragmentation level. The approach was found to be a quick way of translating spatial preferences into numerical values and conceptualizing the relatively abstract concept of fragmentation in the landscape. Furthermore, the results show that the choice of a certain fragmentation index has a crucial effect on the value function.

Item Type: Article
Language: English
Depositing User: Christer Enkvist
Date Deposited: 28 Feb 2017 14:26
Last Modified: 28 Feb 2017 14:26

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