Trust Lands HCP Northern Spotted Owl Conservation Strategy
DNR’s Trust Lands Habitat Conservation Plan (HCP) covers state forestlands managed by DNR within the range of the northern spotted owl (Strix occidentalis caurina). This includes 1.8 million acres of state trust lands west of the Cascade Mountains and on the eastern slopes of the Cascades. One of the primary conservation strategies in the HCP is protecting and enhancing the habitat used by northern spotted owls, and providing areas for them to live, eat, and reproduce.
Objectives of the Northern Spotted Owl Conservation Strategy
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Provide habitat that makes a significant contribution to:
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Demographic support
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Maintenance of species distribution
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Facilitation of dispersal
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Major factors thought to threaten northern spotted owl populations
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Competition from barred owls (Strix varia)
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Ongoing loss of habitat to timber harvest and disturbances
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Loss of habitat and distribution from past activities and disturbances
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Effects of stochastic (random) weather events
Northern spotted owl projects
- Surveys in Southwest Washington
- Demography Monitoring in Southeast Washington
- Surveys in the Olympic Experimental State Forest
- Radio Tracking Study in Southwest Washington
- Study of Different Methods of Estimating Forest Canopy Closure
Northern spotted owl conservation strategy
- Strategy for the Chelan, Yakima, Columbia, North Puget, South Puget, South Coast, and Straits Planning Units
- Strategy for the Olympic Experimental State Forest Planning Unit (HCP)
- Strategy for the Olympic Experimental State Forest Planning Unit (OESF Forest Land Plan)
- HCP Amendment No. 1: Administrative Amendment to the Northern Spotted Owl Conservation Strategy for the Klickitat HCP Planning Unit
