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Forskningsartikel2006Vetenskapligt granskad

Stand specific occurrence of coarse woody debris in a managed boreal forest landscape in central Sweden

Ekbom B, Schroeder LM, Larsson S


Forests long subjected to management for timber production contain only a fraction of the volumes of coarse woody debris (CWD) found in pristine forests. This is a threat to many organisms that depend on CWD. Forest management practices have been altered to achieve an increase in the amounts of CWD. Few studies have attempted to analyze the occurrence of CWD at the landscape level. We studied the occurrence of CWD in stands of different ages and management background in a boreal forest landscape in central Sweden. Volume of CWD in unmanaged stands (nature reserves and set-asides) was twice that in managed stands. The composition of CWD was influenced by stand age and management regime. Standing CWD was more common in unmanaged stands than in managed stands. Pine CWD was particularly prevalent in young forest stands (859 years of age). Bark-covered CWD was most common on deciduous and spruce wood and uncommon on pine. Bark area in young forest stands was almost 10 times lower than that in other managed stands. Using the age distribution of stands, we estimated the volume and bark area of CWD in the landscape. Recent clear-cuts harvested in accordance with new management guidelines contained more early decay CWD per ha than old managed stands. Young forests covered over half the landscape and had significantly lower volumes of spruce and deciduous CWD compared with other stands. The consequences of these results for biodiversity-oriented forest management are discussed.(c) 2005 Elsevier B.V. All rights reserved

Publicerad i

Forest Ecology and Management
2006, Volym: 221, nummer: 1-3, sidor: 2-12

      SLU författare

    • Ekbom, Barbara

      • Institutionen för entomologi, Sveriges lantbruksuniversitet
        • Larsson, Stig

          • Institutionen för entomologi, Sveriges lantbruksuniversitet

        UKÄ forskningsämne

        Miljö- och naturvårdsvetenskap

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