A multi-city comparison of front and backyard differences in plant species diversity and nitrogen cycling in residential landscapes

Dexter H. Locke, Meghan Avolio, Tara Trammel, Rinku Roy Chowdhury, J. Morgan Grove, John Rogan, Deborah G. Martin, Neil Bettez, Jeannine Cavender-Bares, Peter M. Groffman, Sharon Hall, James B. Heffernan, Sarah E. Hobbie, Kelli Larson, Jennifer L. Morse, Christopher Neill, Laura A. Ogden, Jarlath P.M. O'Neil-Dunne, Diane Pataki, William D. PearseColin Polsky, Megan M. Wheeler

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

We hypothesize that lower public visibility of residential backyards reduces households’ desire for social conformity, which alters residential land management and produces differences in ecological composition and function between front and backyards. Using lawn vegetation plots (7 cities) and soil cores (6 cities), we examine plant species richness and evenness and nitrogen cycling of lawns in Boston, Baltimore, Miami, Minneapolis-St. Paul, Phoenix, Los Angeles (LA), and Salt Lake City (SLC). Seven soil nitrogen measures were compared because different irrigation and fertilization practices may vary between front and backyards, which may alter nitrogen cycling in soils. In addition to lawn-only measurements, we collected and analyzed plant species richness for entire yards—cultivated (intentionally planted) and spontaneous (self-regenerating)—for front and backyards in just two cities: LA and SLC. Lawn plant species and soils were not different between front and backyards in our multi-city comparisons. However, entire-yard plant analyses in LA and SLC revealed that frontyards had significantly fewer species than backyards for both cultivated and spontaneous species. These results suggest that there is a need for a more rich and social-ecologically nuanced understanding of potential residential, household behaviors and their ecological consequences.

Original languageEnglish (US)
Pages (from-to)102-111
Number of pages10
JournalLandscape and Urban Planning
Volume178
DOIs
StatePublished - Oct 2018

Keywords

  • Land management
  • Plant diversity
  • Residential landscapes
  • Urban ecology
  • Urban soils

ASJC Scopus subject areas

  • Ecology
  • Nature and Landscape Conservation
  • Management, Monitoring, Policy and Law

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