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California red-legged frog
Critical habitat units excluded from
final rule, April 2006

   
April 13, 2006

News release

Q&A's

Final economic analysis (pdf)

Unit descriptions
and Maps

Federal Register notice
text or pdf


California red-legged frog/
Mark Jennings photo

 


This is a summary of the major exclusions in this critical-habitat rule. For more details, please refer to the Federal Register notice.

These are lands that the Service determined have primary habitat elements for the California red-legged frog but removed – or excluded - them from the final critical-habitat designation. Under the Endangered Species Act, the Secretary of the Interior has the discretion to exclude areas from critical habitat for a number of reasons. These include:

  • A high economic cost.
  • Approved or pending Federal, State, local or military-base management plans that already provide for conservation of the species.
  • Exclusion would contribute to or encourage cooperative conservation partnerships with landowners or others.

Major exclusions:

  • From four Sierra Nevada units, lands managed under the Sierra Nevada Forest Plan. The Plumas National Forest is taking an active role in the conservation and management of California red-legged frog populations. The exclusions total 7,644 acres of U.S. Forest Service land that was in proposed units Butte-1, Yuba-1, Nevada-1 and El Dorado-1.
  • Lands at Vandenberg Air Force Base and Camp San Luis Obispo that have primary habitat elements for the California red-legged frog. Both military installations have approved Integrated Natural Resource Management Plans that provide conservation for the species.
  • Lands with Habitat Conservation Plans or other approved plans that provide for conservation of the species. These include the Bonnie Doon Quarries Settlement Ponds HCP (5 acres in Santa Cruz County); the Draft East Contra Costa HCP (15,160 acres in Contra Costa County); East Bay Regional Park District lands within the East Contra Costa HCP, and the 54-acre Spivey Pond Management Area in El Dorado County, owned by the Bureau of Land Management.
  • Calaveras-1 (proposed), Young's Creek, in Calaveras County, where the Service has been working with one private landowner and anticipates working with more to enhance habitat for the red-legged frog. Measures in place or under development include livestock control to reduce impacts to streams and ponds and removal of non-native predators. This exclusion provides incentives for continued habitat conservation and restoration on private lands.
  • Approximately 250,329 acres -- 34 percent of the proposed critical habitat – in 19 census tracts based on disproportionately high economic costs. These census tracts are in Alameda, Contra Costa, San Luis Obispo, Santa Barbara, Ventura, Riverside, San Mateo and Solano counties. An economic analysis found that designation of critical habitat could result in approximately $395,808,495 in costs in these 19 census tracts, the majority of which are directly related to residential development impacts.

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