Movements of northern flying squirrels in different-aged forest stands of western Oregon
Journal of Wildlife Management
By: K.J. Martin and R.G. Anthony
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Abstract
In western Oregon, northern flying squirrels (Glaucomys sabrinus) are the primary prey species for northern spotted owls (Strix occidentalis caurina), an old-growth associated species. To assess differences between old-growth and second-growth habitat, we livetrapped and radiotagged 39 northern flying squirrels to estimate their home range sizes and describe movements in 2 old-growth and 2 second-growth conifer forest stands in the Cascade Mountains of central Oregon. Sampling periods were summer and fall of 1991-92. Home range sizes averaged 4.9 ha and did not differ (P > 0.30) between the 2 stand types. Male northern flying squirrels had larger (P ??? 0.03) mean home ranges (5.9 ?? 0.8 ha; ?? ?? SE; n = 20) than females (3.9 ?? 0.4 ha; n = 19). Northern flying squirrel movement distances between successive, noncorrelated telemetry locations averaged 71 m (n = 1,090). No correlation was found between distances moved and stand type or sex. Northern flying squirrel's home range sizes, movements, and densities were similar between the 2 stand types. We suggest abundance and movements of northern flying squirrels are not influencing the preferential selection of oldgrowth forests by northern spotted owls.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Movements of northern flying squirrels in different-aged forest stands of western Oregon |
| Series title | Journal of Wildlife Management |
| Volume | 63 |
| Issue | 1 |
| Year Published | 1999 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Wildlife Management |
| First page | 291 |
| Last page | 297 |
| Google Analytic Metrics | Metrics page |