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1 April 2007 SHORT-TERM EFFECTS OF A PRESCRIBED BURN ON SONGBIRDS AND VEGETATION IN MOUNTAIN BIG SAGEBRUSH
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Abstract

I measured songbird abundance and vegetation cover in and around a 420-ha prescribed burn in a mountain big sagebrush community located at 2133 m elevation. Data were collected during the 3rd growing season after the fire. Brewer's Sparrow and Sage Thrasher occurred in lower abundance on sites that were largely or completely burned relative to sites that were outside the fire perimeter or within unburned islands of shrubs. The number of Brewer's Sparrow detections was linearly related to remaining sagebrush cover. In contrast, Horned Lark occurred at higher abundances on sites where shrub cover had been removed in the prescribed burn. Cover of perennial grasses and cover of 4 of the 5 most common forbs was greater on burned sites than on unburned sites.

Aaron L. Holmes "SHORT-TERM EFFECTS OF A PRESCRIBED BURN ON SONGBIRDS AND VEGETATION IN MOUNTAIN BIG SAGEBRUSH," Western North American Naturalist 67(2), 292-298, (1 April 2007). https://doi.org/10.3398/1527-0904(2007)67[292:SEOAPB]2.0.CO;2
Received: 1 June 2005; Accepted: 1 August 2006; Published: 1 April 2007
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