Social and environmental factors drive variation in plant and bird communities across urban greenspace in Sydney, Australia

Journal of Environmental Management
Ashlea J Zivanovic, Gary W Luck

Abstract

We examined whether environmental or social factors alone, or a combination of social-ecological factors were more effective at explaining patterns in plant and bird assemblages across urban greenspaces. Thirty publicly accessible, passive recreation greenspaces provided by municipal councils (i.e. city parks) were surveyed in a highly urbanised city - Sydney, Australia. Plant communities were influenced most by topography and park management approach, and to a lesser extent by land-use history. Greenspaces with greater topographic variation and that were co-managed with local citizen groups hosted higher plant species richness and abundance. Bird species richness within greenspaces increased with increasing distance from the central business district and decreasing distance from freshwater. Bird abundance was best explained by a combination of social-ecological factors, with abundance increasing with increasing site (greenspace) age, increasing percent concrete groundcover of a site and increasing proximity to the central business district. We identified a group of 'rare city parks', dissimilar in ecological composition that hosted more complex and species rich plant communities compared to 'common city parks'. We suggest this...Continue Reading

References

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May 4, 2011·Conservation Biology : the Journal of the Society for Conservation Biology·Gary W LuckLisa Smallbone

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