Space and habitat use by black bears in the Elwha Valley prior to dam removal
Sager-Fradkin KA, Jenkins KJ, Happe PJ, Beecham JJ, Wright RG, Hoffman RA. 2008. Space and habitat use by black bears in the Elwha Valley prior to dam removal. Northwest Science. 82:164-178
From the Abstract: "Dam removal and subsequent restoration of salmon to the Elwha River is expected to cause a shift in nutrient dynamics within the watershed. To document how this influx of nutrients and energy may affect black bear (Ursus americanus) ecology, we used radio-telemetry to record movements of 11 male and two female black bears in the Elwha Valley from 2002-06. Our objective was to collect baseline data on bear movements prior to dam removal. We calculated annual home ranges, described seasonal timing of den entry and emergence, and described seasonal patterns of distribution and habitat use. ... Data acquired during this study provide important baseline information for comparison after dam removal, when bears may alter their late summer and fall movement and denning patterns to take advantage of energy-rich spawning salmon."
- Type
- Journal Article
- Authors
- Sager-Fradkin, Kimberly; Jenkins, Kurt; Happe, Patricia; Beecham, John; Wright, R.; Hoffman, Roger
- Units
- OLYM
- Keywords
- Black Bear (Ursus americanus), Dam Removal, Ecosystem Studies, Elwha River Watershed, Restoration