Abstract
Recent research has focused on the ways urban forest patterns vary in relation to level of urbanization and socioeconomic characteristics, with most studies limited to one urban land use type or multiple non-differentiate land uses. Additionally, the majority of studies examining urban forest patterns focus on canopy cover extent, with less attention given to patterns of species diversity. This study explores how tree species diversity varies across different urban land uses and municipal boundaries to better understand the role of land use types in shaping urban forest patterns. The goal is addressed through an exploration of plot-level tree data in the urban municipalities of Peel Region located in the Greater Toronto Area (Ontario, Canada). Species composition and standard diversity metrics are calculated for eight land use types and four municipalities. Our results show that differences in diversity metrics and species composition are greater between urban land uses than municipalities. Moreover, Peel’s urban forest has relatively high alpha diversity but many species are present on only one land use type. The results suggest that different causal processes are associated with each land use type, and that urban forest managers should adopt land use-specific strategies to meet species composition goals within the urban forest.
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Notes
While plot size is constant, there is variation in the number of plots and method used to locate plots within cities.
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Acknowledgments
The authors would like to thank Lionel Nelson and Meaghan Eastwood at the Toronto and Region Conservation Authority for providing the tree data. This research was supported by a grant from the Canadian Social Science and Humanities Research Council.
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Bourne, K.S., Conway, T.M. The influence of land use type and municipal context on urban tree species diversity. Urban Ecosyst 17, 329–348 (2014). https://doi.org/10.1007/s11252-013-0317-0
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DOI: https://doi.org/10.1007/s11252-013-0317-0