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Permanent link (DOI): https://doi.org/10.7939/R3861S

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Gastropod diversity in the boreal mixedwood forest of northern Alberta - variation among forest types and response to partial harvesting Open Access

Descriptions

Other title
Subject/Keyword
boreal
mixedwood
gastropod
harvesting
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Abele, Suzanne E
Supervisor and department
Spence, John (Renewable Resources)
Macdonald, Ellen (Renewable Resources)
Examining committee member and department
Proctor, Heather (Biological Sciences)
Volney, Winston (Renewable Resources)
Department
Department of Renewable Resources
Specialization

Date accepted
2010-09-09T19:01:45Z
Graduation date
2010-11
Degree
Master of Science
Degree level
Master's
Abstract
Terrestrial gastropods are important decomposers, herbivores, and prey items in forest systems and constitute a poorly understood element of forest biodiversity in Canada. I studied gastropod assemblages in relation to forest cover type and in response to variable retention harvesting in the mixedwood boreal forest of northwestern Alberta. Gastropods were sampled using two methods: board traps and collection of litter samples. Gastropod assemblages were influenced by canopy composition, with most gastropods of the mixedwood showing a strong affinity for broadleaf dominated forests. Tree species mixture influenced gastropod distribution; basal tree area of either conifer or broadleaf trees was generally associated with gastropod distribution within a stand. Harvesting was clearly associated with increased abundance of many species 9 years post-harvest, however, abundance declined for other species. Harvesting with retention helps to maintain pre-harvest boreal gastropod assemblages and will likely conserve boreal gastropod assemblages if used as a tool for biodiversity management.
Language
English
DOI
doi:10.7939/R3861S
Rights
License granted by Suzanne Abele (sabele@ualberta.ca) on 2010-09-07T17:29:29Z (GMT): 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 the above terms. The author reserves all other publication and other rights in association with the copyright in the thesis, and except as herein 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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