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Environmental Management

, Volume 14, Issue 3, pp 325–332 | Cite as

Assessing ecological risk on a regional scale

  • Carolyn T. Hunsaker
  • Robin L. Graham
  • Glenn W. SuterII
  • Robert V. O'Neill
  • Lawrence W. Barnthouse
  • Robert H. Gardner
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Abstract

Society needs a quantitative and systematic way to estimate and compare the impacts of environmental problems that affect large geographic areas. This paper presents an approach for regional risk assessment that combines regional assessment methods and landscape ecology theory with an existing framework for ecological risk assessment. Risk assessment evaluates the effects of an environmental change on a valued natural resource and interprets the significance of those effects in light of the uncertainties identified in each component of the assessment process. Unique and important issues for regional risk assessment are emphasized; these include the definition of the disturbance scenario, the assessment boundary definition, and the spatial heterogeneity of the landscape.

Key words

Regional risk Landscape ecology Impact analysis Environmental assessment 

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Copyright information

© Springer-Verlag New York Inc. 1990

Authors and Affiliations

  • Carolyn T. Hunsaker
    • 1
  • Robin L. Graham
    • 1
  • Glenn W. SuterII
    • 1
  • Robert V. O'Neill
    • 1
  • Lawrence W. Barnthouse
    • 1
  • Robert H. Gardner
    • 1
  1. 1.Environmental Sciences DivisionOak Ridge National LaboratoryOak RidgeUSA

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