Bibliography and Citations

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Yensen E, Quinney DL, Johnson K, Timmerman K, Steenhof K.  1992.  Fire, vegetation changes, and population fluctuations of Townsend's ground squirrels.  American Midland Naturalist.  128(2):299-312.
Yensen E..  1980.  Population status of the Idaho ground squirrel.  
Yensen E., Haak B..  2001.  Population survey of the southern Idaho ground squirrel.  
Yensen E.  2007.  Southern Idaho ground squirrel surveys on Soulen Livestock Company lands: areas around Cinnabar and Center ranches.  
Yensen E..  2005.  Excel spreadsheet containing observational data obtained during field surveys in 2004 of southern Idaho ground squirrels and burrows on Soulen Land Company lands.  
Yensen D.  1980.  A grazing history of Southwestern Idaho with emphasis on the Birds of Prey Study Area.  USDI-BLM Snake River Birds of Prey Research Project.  
Yensen E., Luscher M.P, Boyden S..  1991.  Structure of burrows used by the Idaho ground squirrel.  Northwest Science.  :93-100.
Yensen E, Sherman PW.  2003.  Ground-dwelling squirrels of the Pacific Northwest. Hooper WP, editor. Boise (ID): U. S. Fish & Wildlife Service, Snake River Fish and Wildlife Office; Bureau of Land Management, Spokane District Office and Oregon State Office.  
Yensen D.L.  1981.  The 1900 invasion of alien plants into southern Idaho.  Great Basin Naturalist.  41(2):176-183.
Yensen E., Kirkland G.L.  1998.  Synaptomys borealis (Richardson 1828): northern bog lemming.  
Yensen E..  1998.  Wyoming ground squirrel.  
Yensen E.  1985.  Taxonomy, distribution, and population status of the Idaho ground squirrel, Spermophilus brunneus.  
Yensen E, Haak B.  2000.  Population survey of the southern Idaho ground squirrel.  
Yensen E.  2008.  Southern Idaho ground squirrel surveys on Soulen Livestock Company lands, 2008 annual report and final report.  Prepared for U.S. Fish and Wildlife Service, Snake River Basin Office.  
Yensen E..  2000.  Conservation survey of three species of western "small-eared" ground squirrels.  
Yensen E..  2004.  Excel Spreadsheet of ground squirrel locations.  
Yensen E..  2005.  Surveys for southern Idaho ground squirrels on Soulen Livestock Company lands: 2005 annual report.  
Yensen E..  2005.  Survey for southern Idaho ground squirrels on Soulen Livestock Company lands.  A report for U. S. Fish and Wildlife Service, Snake River Basin Office, Boise, ID..  
Yensen NP, Clark WH, Francoeur A.  1977.  A checklist of Idaho ants (Hymenoptera: Formicidae).  Pan-Pacific Entomologist.  53(3):181-187.  Available from http://www.antwiki.org/wiki/images/9/96/Yensen,_Clark_%26_Francoeur_1977.pdf
Yensen E, Stephens DA, Post M.  1986.  An additional Idaho mole record.  Murrelet.  67(3):96.  Available from http://www.jstor.org/stable/3536468
Yensen E.  2004.  Nutrient analysis of plant species in northern Idaho ground squirrel diets, final report, 2000-2002.  Unpublished report for U.S. Fish and Wildlife Service.  
Yensen E..  1998.  Spermophilus brunneus (A. H. Howell 1928): Idaho ground squirrel.  
Yensen E., Sherman P.W.  1996.  Ground squirrels, Smokey the Bear, and the death of an ecosystem. Abstract.  Journal of the Idaho Academy of Science.  32(1/2):62-63.
Yensen E..  2004.  Spreadsheet of historic Piute ground squirrel observations and museum records compiled from a variety of sources.  
Yensen E.  2001.  Population estimate for the southern Idaho ground squirrel (Spermophilus brunneus endemicus).  Unpublished report for U. S. Fish and Wildlife Service.