Bat activity in thinned, unthinned, and old-growth forests in western Oregon

Article Abstract:

Few aspects of how forest management influences the activities of bats in the Pacific Northwest are understood. A new study investigates the effects of thinned and unthinned forest stands in Western Oregon on bat activity. The theory that bat activity levels would differ in stands of different structure is explored. The study concludes that thinning young forest stands may benefit bats by creating a habitat that they can use more effectively. However, there is high use of old-growth forests which are also important bat habitats.

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Modeling habitat occupancy of orange-crowned warblers in managed forests of Oregon and Washington, USA

Article Abstract:

A habitat management model developed for orange-crowned warbler recommend to maintain evergreen shrub cover greater than 10% and development of low canopy lifts to promote habitat occupancy by the orange-crowned warbler in commercial forests in western Oregon and Washington.

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Day-roosts of female long-eared myotis in western Oregon

Article Abstract:

The characteristics of day-roosts of female long-eare myotis were investigated using radiotelemetry.

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