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Permanent link (DOI): https://doi.org/10.7939/R3GH58

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A bryophyte perspective on forest harvest: The effects of logging on above- and below-ground bryophyte communities in coastal temperate rainforests Open Access

Descriptions

Other title
Subject/Keyword
species richness
microhabitat
temperate rainforest
species composition
diaspore bank
bryophyte
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Miyashita, Kesia A.
Supervisor and department
Vinebrooke, Rolf (Biological Sciences)
La Farge, Catherine (Biological Sciences)
Examining committee member and department
Douglas, Marianne (Earth and Atmospheric Sciences)
Cahill, James (Biological Sciences)
Department
Department of Biological Sciences
Specialization
Ecology
Date accepted
2013-04-02T09:51:50Z
Graduation date
2013-06
Degree
Master of Science
Degree level
Master's
Abstract
This thesis examines patterns in bryophyte species richness and composition on the forest floor and in the soil diaspore bank of temperate rainforest stands which varied in time post-harvest. Quantitative data (abundance) was assessed in quadrats (25x25cm) on soil, decaying logs, and tree bases within sites (20x30m). Non-quantitative data (occurrence) was assessed throughout sites. Analyses of variance and ordination analyses were used to examine species richness and composition, respectively. Above-ground, richness varied significantly with substrate but not stand age. Soils were the most speciose substrates, due to heterogeneity in young stands; logs had higher richness in older stands. Canopy cover significantly affected species composition, with a trend in dominant life strategy from colonists to perennials with canopy closure. Below-ground, richness varied significantly with depth but not with stand age. Diaspore bank richness and composition differed from the above-ground flora; colonists dominated the diaspore bank and perennials thrived above-ground.
Language
English
DOI
doi:10.7939/R3GH58
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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