FentonFregoSims2003

Reference

Fenton, N.J., Frego, K.A., Sims, M.R. (2003) Changes in forest floor bryophyte (moss and liverwort) communities 4 years after forest harvest. Canadian Journal of Botany, 81(7):714-731. (Scopus )

Abstract

Forest harvest presents a potential threat to forest floor bryophyte communities primarily through alteration of the microclimate and disturbance of substrates on the forest floor. Management, including harvest, applied at the landscape scale creates patches of disturbance of differing severities at the spatial scale experienced by bryophytes. Presumably, bryophyte diversity in managed landscapes is best conserved by forest harvest techniques that minimize community change, thereby allowing disturbed communities to reassemble to approach predisturbance composition. We monitored bryophyte community reassembly by sampling quadrats established in a 54-ha management block of Acadian forest in New Brunswick, before and after harvest. Quadrats were either in unharvested areas, or experienced a range of disturbance severities from removal of some or all canopy, to forest floor disturbance with complete canopy removal. Bryophyte communities showed compositional change over 4 years, even in areas that were not harvested. Although species richness was maintained or recovered 4 years after harvest, changes in species composition were significant in all disturbance classes with greatest change related to forest floor disturbance. In particular, liverworts were lost in areas with forest floor disturbance. We suggest that the simplest method to reduce immediate species loss, and presumably promote conservation of bryophyte communities within managed forest landscapes, is to utilize techniques that reduce the area of forest floor and associated substrates that are physically disrupted. © 2003 NRC.

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@ARTICLE { FentonFregoSims2003,
    AUTHOR = { Fenton, N.J. and Frego, K.A. and Sims, M.R. },
    TITLE = { Changes in forest floor bryophyte (moss and liverwort) communities 4 years after forest harvest },
    JOURNAL = { Canadian Journal of Botany },
    YEAR = { 2003 },
    VOLUME = { 81 },
    PAGES = { 714-731 },
    NUMBER = { 7 },
    NOTE = { cited By (since 1996)46 },
    ABSTRACT = { Forest harvest presents a potential threat to forest floor bryophyte communities primarily through alteration of the microclimate and disturbance of substrates on the forest floor. Management, including harvest, applied at the landscape scale creates patches of disturbance of differing severities at the spatial scale experienced by bryophytes. Presumably, bryophyte diversity in managed landscapes is best conserved by forest harvest techniques that minimize community change, thereby allowing disturbed communities to reassemble to approach predisturbance composition. We monitored bryophyte community reassembly by sampling quadrats established in a 54-ha management block of Acadian forest in New Brunswick, before and after harvest. Quadrats were either in unharvested areas, or experienced a range of disturbance severities from removal of some or all canopy, to forest floor disturbance with complete canopy removal. Bryophyte communities showed compositional change over 4 years, even in areas that were not harvested. Although species richness was maintained or recovered 4 years after harvest, changes in species composition were significant in all disturbance classes with greatest change related to forest floor disturbance. In particular, liverworts were lost in areas with forest floor disturbance. We suggest that the simplest method to reduce immediate species loss, and presumably promote conservation of bryophyte communities within managed forest landscapes, is to utilize techniques that reduce the area of forest floor and associated substrates that are physically disrupted. © 2003 NRC. },
    AUTHOR_KEYWORDS = { Bryophyte; Community change; Disturbance; Forest harvest; Monitoring },
    CODEN = { CJBOA },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1139/b03-063 },
    ISSN = { 00084026 },
    KEYWORDS = { Biodiversity; Ecology; Harvesting; Morphology, Bryophyte community; Forest floors; Liverworts; Quadrants, Forestry, anthropogenic effect; bryophyte; community dynamics; environmental disturbance; forest floor; forest management; timber harvesting, Anatomy; Biodiversity; Ecology; Forestry; Harvesting, Canada; New Brunswick; North America; Western Hemisphere; World, Bryophyta; bryophytes; Impleta; Marchantiophyta },
    SOURCE = { Scopus },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-1642403613&partnerID=40&md5=b60cb2b0b33262f750012e5900c9b222 },
}

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