Science that Guides the Quincy Library Group

A. California Spotted Owl
  • Contrary to popular belief the California Spotted Owl is not listed as threatened or endangered by the US Fish and Wildlife Service. (more)
  • The Forest Service has identified the California Spotted Owl as a sensitive species. The Forest Service defines "sensitive species" as those plants and animals for which population viability is a concern (FSM 2670.5), as evidenced by:
            a.  Significant current or predicted downward trends in population
                      numbers or density.
            b.  Significant current or predicted downward trends in habitat capability
                      that would reduce a species' existing distribution.
Scientific Documents    
  • California Spotted Owl Technical Report (Gen. Tech. Rep. PSW-GTR-133. Albany, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture; 285 p.) (more)
  • Dr. Jared Verner Review of "A Preliminary Report on the Status of the California Spotted Owl in the Sierra Nevada"; USDA Forest Service, Pacific Southwest Research Station, Forestry Sciences Laboratory, Fresno, California; 7 July 1999 (more)
  • US Fish & Wildlife Service Finding (07/12/00) (more)
  • US Fish & Wildlife Service Finding (05/15/06) (more)
  • US Fish & Wildlife Service Notice (pdf) in Federal Register (06/21/05) (more)
  • Population Dynamics of the California Spotted Owl: A Meta-Analysis (04/18/03) (more)
  • Plumas-Lassen Administrative Study Reports (2003, 2004, 2005, 2006, 2007) (more)
B. Pacific Fisher    
Scientific Documents    


An Overview of Fire in the Sierra Nevada, McKelvey et al.  Sierra Nevada Ecosystem Project: Final report to Congress, vol. II, Assessments and scientific basis for management options: Davis: University of California, Centers for Water and Wildland Resources, 1996.  (report)

Fire Behavior and Effects Relating to Suppression, Fuel Treatments and Protected Areas on the Antelope Compleex, Wheeler Fire (report) by The Fire Behavior Assessment Team