Urban growth and landscape connectivity threats assessment at Saguaro National Park, Arizona, USA

Ryan M Perkl, Laura M. Norman, David Mitchell, Mark Feller, Garrett Smith, Natalie R. Wilson

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Urban and exurban expansion results in habitat and biodiversity loss globally. We hypothesize that a coupled-model approach could connect urban planning for future cities with landscape ecology to consider wildland habitat connectivity. Our work combines urban growth simulations with models of wildlife corridors to examine how species will be impacted by development to test this hypothesis. We leverage a land use change model (SLEUTH) with structural and functional landscape-connectivity modeling techniques to ascertain the spatial extent and locations of connectivity related threats to a national park in southern Arizona, USA, and describe how protected areas might be impacted by urban expansion. Results of projected growth significantly altered structural connectivity (80%) when compared to current (baseline) corridor conditions. Moreover, projected growth impacted functional connectivity differently amongst species, indicating resilience of some species and near-complete displacement of others. We propose that implementing a geospatial-design-based model will allow for a better understanding of the impacts management decisions have on wildlife populations. The application provides the potential to understand both human and environmental impacts of land-system dynamics, critical for long-term sustainability.

Original languageEnglish (US)
Pages (from-to)1-16
Number of pages16
JournalJournal of Land Use Science
DOIs
StateAccepted/In press - Mar 31 2018

Fingerprint

urban growth
national park
connectivity
threat
habitat
management decision
urban planning
biodiversity
landscape ecology
resilience
ecology
environmental impact
land use
anthropogenic effect
sustainability
land use change
protected area
simulation
urban landscape
modeling

Keywords

  • conservation planning
  • Landscape connectivity modeling
  • Saguaro National Park
  • SLEUTH
  • wildlife corridors

ASJC Scopus subject areas

  • Geography, Planning and Development
  • Earth-Surface Processes
  • Management, Monitoring, Policy and Law

Cite this

Urban growth and landscape connectivity threats assessment at Saguaro National Park, Arizona, USA. / Perkl, Ryan M; Norman, Laura M.; Mitchell, David; Feller, Mark; Smith, Garrett; Wilson, Natalie R.

In: Journal of Land Use Science, 31.03.2018, p. 1-16.

Research output: Contribution to journalArticle

Perkl, Ryan M ; Norman, Laura M. ; Mitchell, David ; Feller, Mark ; Smith, Garrett ; Wilson, Natalie R. / Urban growth and landscape connectivity threats assessment at Saguaro National Park, Arizona, USA. In: Journal of Land Use Science. 2018 ; pp. 1-16.
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