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Residential development encroachment on U.S. protected areas.

Alisa A Wade1, David M Theobald

  • 1Department of Geosciences, Colorado State University, Fort Collins, CO 80523-1482, USA. wade@nceas.ucsb.edu

Conservation Biology : the Journal of the Society for Conservation Biology
|July 24, 2009
PubMed
Summary
This summary is machine-generated.

Residential development encroaches on protected areas, reducing crucial buffer zones by 12% and core connectedness by 6% by 2030. Conservation efforts must consider adjacent land uses and promote cross-boundary cooperation.

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Area of Science:

  • Conservation Science
  • Spatial Ecology
  • Land Use Planning

Background:

  • Protected areas are vital for biodiversity and ecological processes.
  • Buffer zones surrounding protected areas are essential for their effectiveness.
  • Residential development near protected areas poses a threat to conservation efforts.

Purpose of the Study:

  • To quantify the impact of residential development on protected area buffer zones and connectivity in the United States.
  • To forecast future changes in buffer zones and core connectedness due to projected housing development.
  • To inform the development of a national conservation system by assessing land use pressures.

Main Methods:

  • Identification of potential conservation cores based on existing protected areas.
  • Spatially explicit modeling of housing densities to analyze development patterns.
  • Quantification of changes in buffer zone extent and core connectedness from 1970 to 2030.

Main Results:

  • Residential development has preferentially occurred near some conservation cores.
  • Buffer zones are projected to decrease by 12% by 2030 due to encroachment.
  • Core connectedness (valence) is predicted to decline by 6% between 1970 and 2030.

Conclusions:

  • Future conservation planning must integrate adjacent land use considerations.
  • Cooperative strategies across land ownership boundaries are crucial for effective conservation.
  • Smaller protected areas will likely require more attention in future conservation initiatives.