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Spatial distribution of epiphytes on Populus tremula in relation to dispersal mode
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
2003 (English)In: Journal of Vegetation Science, ISSN 1100-9233, E-ISSN 1654-1103, Vol. 14, no 2, 233-242 p.Article in journal (Refereed) Published
Abstract [en]

We examined if the spatial distribution of epiphytes in a forest stand differs between two sexually and three asexually dispersed species. As study species we have chosen two sexually dispersed species, the lichen Collema curtisporum and the bryophyte Orthotrichum speciosum, and three asexually dispersed species, the lichens C. furfuraceum and Leptogium saturninum and the bryophyte O. obtusifolium. All of these species grow on Populus tremula. In P. tremula stands, individual trees may be regarded as distinct patches for the studied species, while the stand represents a 'landscape" of discrete patches. The study was performed in two relatively homogeneous forest stands. The study revealed that the asexually dispersed species were more common than the sexually dispersed. It was also shown that the sexually dispersed species were more aggregated than P. tremula in both stands. In contrast, the distribution of the asexually dispersed species mirrors, more or less, the distribution of their host, i.e. the spatial pattern shown by P. tremula. It is unlikely that the measured environmental variables strongly influenced the observed spatial distribution. Thus, we suggest that the different dispersal and establishment strategies were important in shaping the local distribution of the species.

Place, publisher, year, edition, pages
2003. Vol. 14, no 2, 233-242 p.
Keyword [sv]
skog, biologisk mångfald
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:miun:diva-1903DOI: 10.1111/j.1654-1103.2003.tb02148.xISI: 000183804500011Scopus ID: 2-s2.0-0038759616Local ID: 743OAI: oai:DiVA.org:miun-1903DiVA: diva2:26935
Available from: 2008-09-30 Created: 2008-09-30 Last updated: 2016-10-27Bibliographically approved

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Jonsson, Bengt-Gunnar
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
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