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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/11164

Title: Small Mammal Communities and Multicohort Stand Structure in Boreal Northeastern Ontario
Authors: Sharkey, Charlotte Alicia
Advisor: Malcolm, Jay R.
Department: Forestry
Keywords: boreal forest
small mammals
forest stand structure
habitat structure
Issue Date: 30-Jul-2008
Abstract: Although boreal forest management typically results in an increased frequency of even-aged forest stands in managed landscapes, fire history research suggests that much of the natural forest mosaic is composed of stands characterised by multiple cohorts of trees. To aid in the development of multicohort management, I investigated stand structural characteristics and small mammal communities as a function of their tree cohort structures. I also tested key alternatives: stand age, productivity, and tree species composition, as correlates of structural variation and small mammal communities. Results reveal that in mixedwood and black spruce forests, three-dimensional structure of boreal forests is strongly correlated with small mammal community structure, and indicate that tree diameter distribution is a succinct descriptor of such structural variation, performing better than alternative stand characteristics. This represents a new approach to characterising habitat supply as a function of within-stand heterogeneity, contrasting with existing approaches that focus on among-stand characteristics.
URI: http://hdl.handle.net/1807/11164
Appears in Collections:Master
Faculty of Forestry - Master theses

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