Preliminary assessment of the ecological risks to wide-ranging wildlife species on the Oak Ridge Reservation

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Description

Historically, ecological risk assessment at CERCLA sites [such as the Oak Ridge Reservation (ORR)], has focused on species that may be definitively associated with a contaminated area or source operable unit. Consequently the species that are generally considered are those with home ranges small enough such that multiple individuals or a distinct population can be expected to reside within the boundaries of the contaminated site. This approach is adequate for sites with single, discrete areas of contamination that only provide habitat for species with limited requirements. This approach is not adequate however for large sites with multiple, spatially separated contaminated ... continued below

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300 p.

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Sample, B. E.; Baron, L. A. & Jackson, B. L. August 1995.

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Description

Historically, ecological risk assessment at CERCLA sites [such as the Oak Ridge Reservation (ORR)], has focused on species that may be definitively associated with a contaminated area or source operable unit. Consequently the species that are generally considered are those with home ranges small enough such that multiple individuals or a distinct population can be expected to reside within the boundaries of the contaminated site. This approach is adequate for sites with single, discrete areas of contamination that only provide habitat for species with limited requirements. This approach is not adequate however for large sites with multiple, spatially separated contaminated areas that provide habitat for wide-ranging wildlife species. Because wide-ranging wildlife species may travel between and use multiple contaminated sites they may be exposed to and be at risk from contaminants from multiple locations. Use of a particular contaminated site by wide-ranging species will be dependent upon the amount of suitable habitat available at that site. Therefore to adequately evaluate risks to wide-ranging species at the ORR-wide scale, the use of multiple contaminated sites must be weighted by the amount of suitable habitat on OUs. This reservation-wide ecological risk assessment is intended to identify which endpoints are significantly at risk; which contaminants are responsible for this risk; and which OUs significantly contribute to risk.

Physical Description

300 p.

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INIS; OSTI as DE95017552

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  • Other Information: PBD: Aug 1995

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  • Other: DE95017552
  • Report No.: DOE/OR--01-1407-D1
  • Grant Number: AC05-84OR21400
  • DOI: 10.2172/103533 | External Link
  • Office of Scientific & Technical Information Report Number: 103533
  • Archival Resource Key: ark:/67531/metadc620129

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Creation Date

  • August 1995

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • Jan. 25, 2016, 2:15 p.m.

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Sample, B. E.; Baron, L. A. & Jackson, B. L. Preliminary assessment of the ecological risks to wide-ranging wildlife species on the Oak Ridge Reservation, report, August 1995; Tennessee. (digital.library.unt.edu/ark:/67531/metadc620129/: accessed May 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.