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HOME RANGE ATTRIBUTES AND HABITAT SELECTION OF BARRED OWLS AND SPOTTED OWLS IN AN AREA OF SYMPATRY
Abstract We compared home range areas and habitat selection of radio-marked Spotted Owls (Strix occidentalis) and Barred Owls (Strix varia) in an area of sympatry in the northern Cascade Range ofExpand
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MODELING OF SITE OCCUPANCY DYNAMICS FOR NORTHERN SPOTTED OWLS, WITH EMPHASIS ON THE EFFECTS OF BARRED OWLS
Abstract Northern spotted owls (Strix occidentalis caurina) have been studied intensively since their listing as a threatened species by the U.S. Fish and Wildlife Service in 1990. Studies of spottedExpand
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MODELING DEMOGRAPHIC PERFORMANCE OF NORTHERN SPOTTED OWLS RELATIVE TO FOREST HABITAT IN OREGON
Abstract Northern spotted owls (Strix occidentalis caurina) are known to be associated with late-successional forests in the Pacific Northwest of the United States, but the effects of habitat onExpand
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SPOTTED OWL HOME-RANGE AND HABITAT USE IN YOUNG FORESTS OF WESTERN OREGON
Abstract To assess spotted owl use of young forests, we studied home-range sizes and habitat-use patterns of 24 adult northern spotted owls (Strix occidentalis caurina) on 2 sites in the Oregon CoastExpand
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The effects of habitat, climate, and Barred Owls on long-term demography of Northern Spotted Owls
ABSTRACT Estimates of species' vital rates and an understanding of the factors affecting those parameters over time and space can provide crucial information for management and conservation. We usedExpand
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Population trends in northern spotted owls: associations with climate in the Pacific Northwest.
We used reverse time capture-mark-recapture models to describe associations between rate of population change (k) and climate for northern spotted owls (Strix occidentalis caurina) at six long-termExpand
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Monitoring gray wolf populations using multiple survey methods
The behavioral patterns and large territories of large carnivores make them challenging to monitor. Occupancy modeling provides a framework for monitoring population dynamics and distribution ofExpand
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Reproduction of Northern Spotted Owls: The Role of Local Weather and Regional Climate
ABSTRACT We examined associations between annual reproduction and climate for 6 populations of individually marked northern spotted owls (Strix occidentalis caurina) in Washington and Oregon. WeExpand
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Estimating occupancy and predicting numbers of gray wolf packs in Montana using hunter surveys
Reliable knowledge of the status and trend of carnivore populations is critical to their conservation and management. Methods for monitoring carnivores, however, are challenging to conduct acrossExpand
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FOREST LANDSCAPE PATTERNS AROUND MARBLED MURRELET NEST SITES IN THE OREGON COAST RANGE
We analyzed forest composition and landscape preferences of marbled murrelets (Brachyramphus marmoratus). Using dawn surrreys and tree climbing, we found 41 murrelet nest sites on state and federalExpand
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