Socioeconomics drive urban plant diversity

Diane Hope, Corinna Gries, Weixing Zhu, William F. Fagan, Charles Redman, Nancy Grimm, Amy L. Nelson, Chris Martin, Ann Kinzig

Research output: Contribution to journalArticle

455 Citations (Scopus)

Abstract

Spatial variation in plant diversity has been attributed to heterogeneity in resource availability for many ecosystems. However, urbanization has resulted in entire landscapes that are now occupied by plant communities wholly created by humans, in which diversity may reflect social, economic, and cultural influences in addition to those recognized by traditional ecological theory. Here we use data from a probability-based survey to explore the variation in plant diversity across a large metropolitan area using spatial statistical analyses that incorporate biotic, abiotic, and human variables. Our prediction for the city was that land use, along with distance from urban center, would replace the dominantly geomorphic controls on spatial variation in plant diversity in the surrounding undeveloped Sonoran desert. However, in addition to elevation and current and former land use, family income and housing age best explained the observed variation in plant diversity across the city. We conclude that a functional relationship, which we term the "luxury effect," may link human resource abundance (wealth) and plant diversity in urban ecosystems. This connection may be influenced by education, institutional control, and culture, and merits further study.

Original languageEnglish (US)
Pages (from-to)8788-8792
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Volume100
Issue number15
DOIs
StatePublished - Jul 22 2003

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Ecosystem
Urbanization
Spatial Analysis
Drive
Economics
Education
Surveys and Questionnaires

ASJC Scopus subject areas

  • Genetics
  • General

Cite this

Socioeconomics drive urban plant diversity. / Hope, Diane; Gries, Corinna; Zhu, Weixing; Fagan, William F.; Redman, Charles; Grimm, Nancy; Nelson, Amy L.; Martin, Chris; Kinzig, Ann.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 100, No. 15, 22.07.2003, p. 8788-8792.

Research output: Contribution to journalArticle

Hope, Diane ; Gries, Corinna ; Zhu, Weixing ; Fagan, William F. ; Redman, Charles ; Grimm, Nancy ; Nelson, Amy L. ; Martin, Chris ; Kinzig, Ann. / Socioeconomics drive urban plant diversity. In: Proceedings of the National Academy of Sciences of the United States of America. 2003 ; Vol. 100, No. 15. pp. 8788-8792.
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