FentonBergeron2006

Reference

Fenton, N.J., Bergeron, Y. (2006) Facilitative succession in a boreal bryophyte community driven bychanges in available moisture and light. Journal of Vegetation Science, 17(1):65-76.

Abstract

Question: What are the drivers of bryophyte succession in paludifyingboreal Picea mariana forests? Location: The Clay-Belt of Que?becand Ontario, Canada. Methods: The bryophyte community and habitatvariables (forest floor thickness, water table, stand density, canopyopenness micro-climate and presence of ericaceous species) wereanalysed in a chronosequence of 13 stands from 50 to more than 350years since fire. Results: Across the chronosequence, feathermosseswere replaced by shade and desiccation tolerant slower growing hummockSphagna and then by faster growing hollow Sphagna. These changeswere linked with both increasing light availability and the movementof the water table into the forest floor. Conclusions: As watertable rise is dependent on forest floor thickness, which is in turninfluenced by the presence of Sphagna, this successional sequencerepresents an example of facilitation. Furthermore, it emphasizesthe importance of water table rise in determining stand level, andlandscape level variables such as carbon balance. © IAVS; OpulusPress.

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@ARTICLE { FentonBergeron2006,
    AUTHOR = { Fenton, N.J. and Bergeron, Y. },
    TITLE = { Facilitative succession in a boreal bryophyte community driven bychanges in available moisture and light },
    JOURNAL = { Journal of Vegetation Science },
    YEAR = { 2006 },
    VOLUME = { 17 },
    PAGES = { 65-76 },
    NUMBER = { 1 },
    ABSTRACT = { Question: What are the drivers of bryophyte succession in paludifyingboreal Picea mariana forests? Location: The Clay-Belt of Que?becand Ontario, Canada. Methods: The bryophyte community and habitatvariables (forest floor thickness, water table, stand density, canopyopenness micro-climate and presence of ericaceous species) wereanalysed in a chronosequence of 13 stands from 50 to more than 350years since fire. Results: Across the chronosequence, feathermosseswere replaced by shade and desiccation tolerant slower growing hummockSphagna and then by faster growing hollow Sphagna. These changeswere linked with both increasing light availability and the movementof the water table into the forest floor. Conclusions: As watertable rise is dependent on forest floor thickness, which is in turninfluenced by the presence of Sphagna, this successional sequencerepresents an example of facilitation. Furthermore, it emphasizesthe importance of water table rise in determining stand level, andlandscape level variables such as carbon balance. © IAVS; OpulusPress. },
    KEYWORDS = { Black spruce Clay Belt Feathermoss Habitat variables Picea marianaSpecies replacement Sphagnum Water table },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.04 },
}

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