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Dead wood availability in managed Swedish forests - Policy outcomes and implications for biodiversity
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
Dept. of Statistics, Umeå University, Umeå, Sweden.
Dept. of Ecology and Environmental Science, Umeå University, Umeå, Sweden.
Dept. of Forest Resource Management, Swedish University of Agricultural Sciences, Umeå, Sweden.
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2016 (English)In: Forest Ecology and Management, ISSN 0378-1127, E-ISSN 1872-7042, Vol. 376, p. 174-182Article in journal (Refereed) Published
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Abstract [en]

Dead wood is a critical resource for forest biodiversity and widely used as an indicator for sustainable forest management. Based on data from the Swedish National Forest Inventory we provide baseline information and analyze trends in volume and distribution of dead wood in Swedish managed forests during 15 years. The data are based on ≈30,000 sample plots inventoried during three periods (1994-1998; 2003-2007 and 2008-2012). The forest policy has since 1994 emphasized the need to increase the amount of dead wood in Swedish forests. The average volume of dead wood in Sweden has increased by 25% (from 6.1 to 7.6 m3 ha-1) since the mid-1990s, but patterns differed among regions and tree species. The volume of conifer dead wood (mainly from Picea abies) has increased in the southern part of the country, but remained stable or decreased in the northern part. Heterogeneity of dead wood types was low in terms of species, diameter and decay classes, potentially negatively impacting on biodiversity. Overall, we found only minor effects of the current forest policy since most of the increase can be attributed to storm events creating a pulse of hard dead wood. Therefore, the implementation of established policy instruments (e.g. legislation and voluntary certification schemes) need to be revisited. In addition to the retention of dead trees during forestry operations, policy makers should consider calling for more large-scale targeted creation of dead trees and management methods with longer rotation cycles. © 2016 The Authors.

Place, publisher, year, edition, pages
2016. Vol. 376, p. 174-182
Keywords [en]
Boreal forest, Environmental objectives, National Forest Inventory, Natura 2000, Saproxylic species, Western Taiga
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:miun:diva-28489DOI: 10.1016/j.foreco.2016.06.017ISI: 000381233500018Scopus ID: 2-s2.0-84974578053OAI: oai:DiVA.org:miun-28489DiVA, id: diva2:949687
Funder
Swedish Research Council, 340-2013-5076
Note

CODEN: FECMD

Available from: 2016-07-22 Created: 2016-07-21 Last updated: 2017-08-09Bibliographically approved

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Jonsson, Bengt-Gunnar

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