Influence of urban form on landscape pattern and connectivity in metropolitan regions

a comparative case study of Phoenix, AZ, USA, and Izmir, Turkey

Sohyun Park, Çiğdem C. Hepcan, Şerif Hepcan, Edward A. Cook

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Although ecological connectivity conservation in urban areas has recently been recognized as an important issue, less is known about its relationship to urban form and landscape pattern. This study investigates how urban morphology influences regional ecosystem pattern and landscape connectivity. Two metropolitan landscapes, Phoenix, AZ, USA, and Izmir, Turkey, were compared, both of which are fast-growing regions in their national context. A wide range of variables were considered for identifying natural and urban properties. The natural characteristics include typology of urban ecosystems, urban to natural cover ratio, dominant habitat type, urban biodiversity, landscape context, and connectivity conservation efforts. Urban parameters examine urban form, urban extent, urban cover proportion, growth rate, populations, urban gradient, major drivers of urbanization, urban density, and mode/approach of urban development. Twelve landscape metrics were measured and compared across the natural patches. Results show that there is little difference in landscape connectivity in the rural zones of Phoenix and Izmir, although Phoenix has slightly higher connectivity values. The connectivity variance in urbanized areas, however, is significantly dependent on the region. For example, Phoenix urban zones have substantially lower connectivity than either urban or suburban zones in Izmir. Findings demonstrate that small and compact urban settlements with more dense populations are more likely to conserve landscape connectivity compared to multiple-concentric but amalgamated urban form spreading all over the landscape (aka urban sprawl).

Original languageEnglish (US)
Pages (from-to)6301-6318
Number of pages18
JournalEnvironmental Monitoring and Assessment
Volume186
Issue number10
DOIs
StatePublished - Oct 1 2014

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Turkey
Ecosystems
Ecosystem
connectivity
Conservation
comparative study
Biodiversity
Urban Renewal
Urbanization
Urban Population
Population Growth
urban morphology
urban ecosystem
Population
urban population
typology
habitat type
urban development
urbanization
urban area

Keywords

  • Connectivity
  • Izmir
  • Landscape metrics
  • Landscape pattern
  • Phoenix
  • Urban form

ASJC Scopus subject areas

  • Environmental Science(all)
  • Management, Monitoring, Policy and Law
  • Pollution
  • Medicine(all)

Cite this

Influence of urban form on landscape pattern and connectivity in metropolitan regions : a comparative case study of Phoenix, AZ, USA, and Izmir, Turkey. / Park, Sohyun; Hepcan, Çiğdem C.; Hepcan, Şerif; Cook, Edward A.

In: Environmental Monitoring and Assessment, Vol. 186, No. 10, 01.10.2014, p. 6301-6318.

Research output: Contribution to journalArticle

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