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Creator:: Sage-Grouse Conservation Partnership
Resource Type:: Technical Report
Full Text:: ................................................................................ 10 b. Core Area Approach

Creator:: Foster, Lee
Abstract:: During the 2016 greater sage-grouse breeding season, 1,908 aerial and ground lek surveys were conducted at 768 individual lek sites comprising 501 lek complexes. Surveys were conducted at 66.0% of known lek sites in the state, which was the greatest proportion of leks ever surveyed in Oregon. Survey effort during...
Resource Type:: Technical Report
Full Text:: year. B – Total number of ground and aerial surveys conducted, by year. C – Proportion of known leks

Creator:: Foster, Lee
Abstract:: During the 2017 greater sage-grouse (Centrocercus urophasianus) breeding season, 1,580 aerial and ground lek surveys were conducted at 674 individual lek sites comprising 429 lek complexes. Surveys were conducted at 58.0% of known lek sites in the state. Survey effort during 2017 declined -17.1%, -12.2%, and 14.5% from 2016 levels,...
Resource Type:: Technical Report
Full Text:: SURVEYED, BY YEAR. B – TOTAL NUMBER OF GROUND AND AERIAL SURVEYS CONDUCTED, BY YEAR. C – PROPORTION

Creator:: Hagen, Christian
Abstract:: Greater sage-grouse (Centrocercus urophasianus) were once found in most grassland and sagebrush (Artemisia spp.) habitats east of the Cascades in Oregon. European settlement and conversion of sagebrush steppe into agricultural production led to extirpation of the species in the Columbia Basin by the early part of the 1900s, but sagebrush...
Resource Type:: Technical Report
Full Text:: index (B) reported as a percentage of the 2003 sage-grouse population (dashed line) for Oregon, 1980

Creator:: USDA Forest Service Pacific Northwest Region, McCain, Cindy, Christy, John A., Oregon Natural Heritage Information Center, and Institute for Natural Resources
Abstract:: This field guide combines classifications of common streamside plant communities and native freshwater wetland communities in Northwest Oregon. It is a condensed version of two separate works which are both available on the CD that accompanies this book. The information is also available for reference or to download as a...
Resource Type:: Technical Report
Full Text:: a lead that says, “ if the sum of Species A, B, and C is greater than species X…”. In the field

Creator:: Eckert, Bradley E., Walstad, John D., and Tappeiner, John C., II
Abstract:: This pictorial guide is primarily intended to serve as a backdrop for field tours of central Oregon that involve topics surrounding wildland fire. It also is designed to provide an overview of the role of fire in the major ecosystems characteristic of this region. Topics covered include fire history, fire...
Resource Type:: Technical Report
Full Text:: Illustrated Guide to Fire in Central Oregon Forests Bradley E. Eckert, John D. Walstad and John C

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