21: "+" = " - " = "0" = "+ / - " = Treatment Response Location Habitat Response Variable Methods Notes Citation Prescribed + Central UT Big sagebrush, Bird density Bird census with Horned Lark was the Castrale 1982 burning cold desert (territories/16 ha) method and only species with flush technique higher densities on sites subjected to recent sagebrush control. Densities were 1.8-2.8x greater on recently treated sites. + Prescribed Snake Big sagebrush Bird density Territories estimated Horned Petersen and burning River plain, ID (territories/km2) with spot-map method colonized burned Best 1987 and census over 5 plots; were not present years before burning. + Prescribed Eastern OR High-elevation Bird abundance 5-minute point-count Greater shrub loss Holmes 2007 burning mountain big surveys resulted in more sagebrush Horned Lark. + / NC Prescribed Multiple Multiple N/A Literature Review Horned Larks Knick et al. burning / densities generally 2005 fire increased or remained unchanged following fire. NC Wildfire OR, ID, UT, Big sagebrush Bird counts Flushing bird counts More Horned Larks 2002 WY, MT on the unburned sites, but difference is too small to make conclusion + Wildfire Central Abundance (average counts in six No population trend Earnst et al. Columbia individuals per cover types pre-fire, but increased 2009 Plateau, wheatgrass and count point) steadily and southeastern Cheatgrass significantly after the WA grasslands fire, suggesting a long-lasting positive effect.
21: "+" = " - " = "0" = "+ / - " = Treatment Response Location Habitat Response Variable Methods Notes Citation Prescribed burning + Central UT Big sagebrush, cold desert Bird density (territories/16 ha) Bird census with method and flush technique Horned Lark was the only species with higher densities on sites subjected to recent sagebrush control. Densities were 1.8-2.8x greater on recently treated sites. Castrale 1982 Prescribed burning + Snake River plain, ID Big sagebrush Bird density (territories/km2) Territories estimated with spot-map method and census over 5 years Horned colonized burned plots; were not present before burning. Petersen and Best 1987 Prescribed burning + Eastern OR High-elevation mountain big sagebrush Bird abundance 5-minute point-count surveys Greater shrub loss resulted in more Horned Lark. Holmes 2007 Prescribed burning / fire + / NC Multiple Multiple N/A Literature Review Horned Larks densities generally increased or remained unchanged following fire. Knick et al. 2005 Wildfire NC OR, ID, UT, WY, MT Big sagebrush Bird counts Flushing bird counts More Horned Larks on the unburned sites, but difference is too small to make conclusion 2002 Wildfire + Central Columbia Plateau, southeastern WA wheatgrass and Cheatgrass grasslands Abundance (average individuals per count point) counts in six cover types No population trend pre-fire, but increased steadily and significantly after the fire, suggesting a long-lasting positive effect. Earnst et al. 2009
Sagebrush%20birds%20WAFWA%20draft%2010-27-16.docx