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Research on habitat manipulation and management of Fender’s Blue Butterfly Areas: Final Report, prepared for Oregon Field Office, The Nature Conservancy, Oregon Natural Heritage Program, Portland, Oregon
We report first-year results from two field experiments evaluating the effectiveness of various techniques for the control of pest plants of Fender’s blue butterfly habitat. In the woody-plant study, we monitored […]
Stand Structures of Oregon White Oak Woodlands, Regeneration, and their Relationships to the Environment in Southwestern Oregon
Although Oregon white oak (Quercus garryana) woodlands are a characteristic landscape component in southwestern Oregon, little is known about their current or historical stand structures. Meanwhile, fuel reduction thinning treatments that […]
Oregon Conservation Easement Assessment Project: A white paper on conservation easements as a land use tool in Oregon
In a unique partnership between local, state and national organizations, five groups have come together to produce a white paper that examines conservation easements as a land use tool in Oregon. The […]
Conservation Agreement for the Oregon Spotted Frog (Raila pretiosa) in the Klamath Basin of Oregon
This agreement includes a brief summary and overview of the Oregon spotted frog, including a species description, and a description of the Oregon spotted frog’s habitat, life history, distribution, status, as well […]
Oregon Conservation Strategy
A blueprint for conservation of the state’s native fish and wildlife and their habitats, the Strategy provides information on at-risk species and habitats, identifies key issues affecting them and recommends actions. […]
Conservation Assessment for Oregon Vesper Sparrow (Pooecetes gramineus affinis)
Management Status Oregon Vesper Sparrow is considered highly imperiled and of great conservation concern by all federal, provincial, and state agencies and non-governmental natural resource entities within its range. It is […]
Oregon Spotted Frog (Rana pretiosa) Movement and Demography at Dilman Meadow: Implications for Future Monitoring
The Oregon spotted frog (Rana pretiosa) is a highly aquatic frog that has been extirpated from a large portion of its historic range in the Pacific Northwest, and remaining populations are reduced […]
Habitat Associations of the Oregon Spotted Frog (Rana Pretiosa): A Literature Review
The Oregon spotted frog (OSF; Rana pretiosa) is presumed extirpated from ca. 70% of historic habitat in the Pacific Northwest. Successful conservation of the species will likely depend on a more […]
Conservation strategy for landbirds in lowlands and valleys of western Oregon and Washington
This document has been prepared to stimulate and support an active approach to conservation of landbirds in the lowlands and valleys of western Oregon and Washington (hereafter referred to as Westside […]
Willamette Valley (Oregon) Prairie Plant Trait Dataset
Restoration of native habitats is a crucial strategy for biological conservation. Progress in the successful restoration of native habitats is slowed, however, by our limited ability to generalize and predict species […]