Abstract
Context
The conservation value of residential landscapes is becoming increasingly apparent in our urbanizing world. The ecological characteristics of residential areas are largely determined by the decisions of many individual “managers.” In these complex socio-ecological systems, it is important to understand the factors that motivate human decision-making.
Objectives
Our first objective was to quantify wildlife resources and management activities in residential landscapes and compare vegetation in front and back yards. Our second objective was to test three hypotheses linked with variation in yards: socioeconomic characteristics, neighborhood design factors, and perceptions of neighborhood birds.
Methods
We conducted surveys of over 900 residents in 25 Chicago-area neighborhoods to examine the wildlife resources contained in front and back yards and the social factors associated with variation in yards. We used a multi-scalar approach to examine among-yard and among-neighborhood variation in residential landscapes.
Results
Results indicate that back yards contain more wildlife resources than front yards, including greater vegetation complexity, more plants with fruit/berries, and more plants intended to attract birds. Furthermore, different hypotheses explain variation in front and back yards. Perceptions of birds were most important in explaining variation in back yard vegetation and wildlife-friendly resources per parcel, while neighbors’ yards and socioeconomic characteristics best explained front yard vegetation.
Conclusions
This study demonstrates the importance of back yards as an unexplored and underestimated resource for biodiversity. In addition, the results provide insight into the complex factors linked with yard decisions, notably that residents’ connections with neighborhood birds appear to translate to on-the-ground actions.
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Acknowledgments
This study was based upon work supported by the National Science Foundation Grant DGE-0549245 and the University of Illinois at Chicago’s Department of Biological Sciences Elmer Hadley Graduate Research Award. We thank C. Watkins for advice in social survey design and delivery, H. Gin for help with survey distribution, and L. Vonderlinden for verifying yard characteristics of respondents. We also thank the many residents of Cook County, Illinois who graciously participated in the survey.
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Belaire, J.A., Westphal, L.M. & Minor, E.S. Different social drivers, including perceptions of urban wildlife, explain the ecological resources in residential landscapes. Landscape Ecol 31, 401–413 (2016). https://doi.org/10.1007/s10980-015-0256-7
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DOI: https://doi.org/10.1007/s10980-015-0256-7