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Long-term dynamics of large woody debris in a managed boreal forest stream.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
2005 (English)In: Forest Ecology and Management, ISSN 0378-1127, Vol. 210, no 1-3, 363-373 p.Article in journal (Refereed) Published
Abstract [en]

Little is known about how past forest management in Sweden influenced the quantity and quality of large woody debris (LWD) in streams. The present study provides information of the long-term dynamics of LWD in a reach of a boreal stream intersecting a managed forest. Dendrochronological methods were used to reconstruct mortality years of the pieces of LWD and the general history of fire and cuttings of the surrounding riparian forest. Today, spruce dominates among the living trees, whereas the LWD is dominated by birch in the forest and by pine in the stream. Fire frequency prior to active fire suppression was similar to values reported from boreal forests. Pine trees were more abundant in the riparian forest before selective logging operations and active fire suppression began in the 1800s. Many of the pieces of LWD found in the stream today died more than 200 years ago and derived from a cohort of pines that generated in the early 1600s. Pine LWD in stream channels is highly resistant to decomposition and can reside for more than 300 years. A substantial amount of the LWD found today in managed forest streams in boreal Sweden most likely derives from the time before extensive human influence and is likely to decrease further in the future. Management of riparian forests to ascertain future supply of long-lived LWD in streams should target to increase the proportion of pine trees.

Place, publisher, year, edition, pages
2005. Vol. 210, no 1-3, 363-373 p.
Keyword [en]
Boreal forest, Dendrochronology, Forest management, Large woody debris, Stream, Sweden
National Category
Physical Geography
Identifiers
URN: urn:nbn:se:miun:diva-3661DOI: 10.1016/j.foreco.2005.02.022ISI: 000229165500027Local ID: 3743OAI: oai:DiVA.org:miun-3661DiVA: diva2:28693
Note
VR-BiologyAvailable from: 2008-09-30 Created: 2008-09-30 Last updated: 2011-04-08Bibliographically approved

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Dahlström, NiklasJönsson, KarinNilsson, Christer
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CiteExportLink to record
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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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Output format
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