DOES ANTHROPOGENIC DISTURBANCE ACT AS AN ENVIRONMENTAL STRESSOR ON WHITE-FOOTED MICE ( PEROMYSCUS LEUCOPUS )?
Terry L. Derting. Department of Biological Sciences, 16th St., BL 334, Murray State University, Murray, KY, USA. ABSTRACT- Habitat fragmentation and associated anthropogenic disturbances are significant stressors encountered by many mammal populations worldwide. However, habitat fragmentation itself has been associated with increased densities of some small mammal species, including the white-footed mouse (Peromyscus leucopus). I investigated whether on-going anthropogenic disturbances around habitat patches had adverse effects on the physiology and health of white-footed mice. During summer and winter, adult male mice were live-trapped from disturbed patches that were surrounded by human residences or agriculture. Mice were also trapped from undisturbed patches at a national recreation area. Measurements were made to assess stress level, including measures of immunocompetence, reproductive activity, and diet quality. Ongoing-anthropogenic disturbance was associated with altered immune
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