Hwy 62 – 58 METHODS FOR ASSESSING IMPACTS – Threatened and Endangered Species

Rehabilitation of Highway 62 West, Crater Lake National Park, Klamath County, Oregon

 ENVIRONMENTAL CONSEQUENCES

METHODS FOR ASSESSING IMPACTS

Threatened and Endangered Species

The impact types, levels, and definitions presented for threatened and endangered species are those defined by the U.S. Fish and Wildlife Service under section 7 of the Endangered Species Act (USFWS and NMFS 1998). Further information concerning the Endangered Species Act and procedures related to section 7 may be obtained at: http://endangered.fws.gov/consultations/ s7hndbk.htm.

  • No effect – when the alternative would not affect a listed species or designated critical habitat.
  • Not likely to adversely affect – when the affects of the alternative are expected to be discountable, insignificant, or completely beneficial.
  • May effect – when the alternative may pose any effect on listed species or designated critical habitat.
  • Likely to adversely affect – any adverse effect to the species that may occur as a direct or indirect result of the alternative and the effect is not discountable, insignificant, or completely beneficial.

 

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