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The dynamics of coarse woody debris in boreal Swedish forests are similar between stream channels and adjacent riparian forests
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
2006 (English)In: Canadian Journal of Forest Research, ISSN 0045-5067, E-ISSN 1208-6037, Vol. 36, no 5, p. 1139-1148Article in journal (Refereed) Published
Abstract [en]

Although numerous studies have focused on the dynamics of coarse woody debris (CWD) in boreal Fennoscandian forests, information on CWD in streams remains limited. To achieve a better understanding of CWD dynamics in streams we compared amounts and characteristics of CWD between streams and adjacent riparian forests in old-growth and managed forest sites, respectively. We also identified distances to the sources of CWD and evaluated these in relation to the lateral zonation of riparian trees. CWD volumes found in the stream channels were related to, but exceeded, the volumes found in the adjacent forest. In-channel volumes separated by species were better correlated with terrestrial volumes of CWD than with volumes of living trees. Tree species appeared to be zoned across the riparian zone, with slightly higher abundances of deciduous trees and lower abundances of Scots pine trees close to the stream. Similar to upland forests, riparian forests were dominated by coniferous tree species, mainly Norway spruce (Picea abies (L.) Karst.). These findings suggest large similarities in CWD input between streams and riparian forests and substantially slower decomposition rates in stream channels compared with those in riparian forest. The results provide an improved basis for creating reliable models of CWD supply and maintenance in streams based on knowledge of forest development and CWD dynamics in the terrestrial environment. Site productivity could potentially be used to predict CWD volumes in stream channels under pristine conditions.

Place, publisher, year, edition, pages
2006. Vol. 36, no 5, p. 1139-1148
National Category
Ecology
Identifiers
URN: urn:nbn:se:miun:diva-8689DOI: 10.1139/X06-015ISI: 000238286000009Scopus ID: 2-s2.0-33746488836OAI: oai:DiVA.org:miun-8689DiVA, id: diva2:175005
Note

VR-Biology

Available from: 2009-02-26 Created: 2009-02-26 Last updated: 2017-12-13Bibliographically approved

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Dahlström, NiklasNilsson, 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
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf