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Abstract

Old forest stands comprise a very small proportion of the managed forested landscapes of Scandinavia today compared with the preindustrial era. Therefore, it is important to develop conservation measures for old forest remnants and temporarily available old stands in managed forests in the most optimal way. This study examines the spatial functionality of old spruce-dominated forest in several regions of Sweden through the perspective of organisms with different ecologies, in terms of their area requirements and mobility. Instead of real species, virtual species were used representing a gradient of these two ecological traits. The main tool was habitat suitability modelling. Countrywide estimates of forest variables derived from the satellite data and field data from the National Forest Inventory using the k-nearest neighbour method were used as sources of habitat distribution data. There was large regional variation in old spruce forest functionality depending on natural conditions and forest history. The relationship between functionality and amount was largely curvilinear. Areas with > 10% of old spruce forest generally had high levels of spatial functionality, whereas high variation in functionality was observed in areas with little old spruce forest cover. This method for multiple-scale assessment of old forest functionality, using virtual species, may be helpful in regional forest biodiversity planning

Published in

Scandinavian Journal of Forest Research
2006, volume: 21, pages: 73-83
Publisher: TAYLOR & FRANCIS AS

SLU Authors

  • Edenius, Lars

    • Department of Animal Ecology, Swedish University of Agricultural Sciences

UKÄ Subject classification

Environmental Sciences and Nature Conservation

Publication identifier

  • DOI: https://doi.org/10.1080/140040850048745

Permanent link to this page (URI)

https://res.slu.se/id/publ/8197