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Eastern gray squirrel ecology and interactions with western ...

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By an johnston · 2013 · cited by 11 — solid line) vs low-use (blue dotted line) areas and used (blue dotted line) vs available (red solid line) nest sites for eastern and western gray squirrels.
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Eastern Gray Squirrel Ecology and Interactions with Western Gray SquirrelsAaron N. JohnstonA dissertationsubmitted in partial fulfillment of therequirements for the degree ofDoctor of PhilosophyUniversity of Washington2013Reading Committee:Stephen West, ChairMatthew Vander HaegenJosh LawlerProgram Authorized to Offer Degree:School of Environmental and Forest Sciences©Copyright 2013Aaron N. JohnstonUniversity of WashingtonAbstractEastern Gray Squirrel Ecology and Interactions with Western Gray SquirrelsAaron N. JohnstonChair of Supervisory Committee:Associate Director and Professor Stephen D. WestSchool of Environmental and Forest SciencesPopulations of State-threatened western gray squirrels (Sciurus griseus) have declined inareas invaded by introduced eastern gray squirrels (S. carolinensis) in the Western United States,but little is known about competitive interactions between these species. The western graysquirrel is an ecologically important member of oak woodlands, and intensive ...
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