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Providing evidence to improve practice

Individual study: Effects of prescribed burning on green-tailed towhees Pipilo chlorurus nesting in montane shrubland in Rocky Mountain National Park, Colorado, USA

Published source details

Jehle G., Savidge J.A. & Kotliar N.B. (2006) Green-tailed towhee response to prescribed fire in montane shrubland. The Condor, 108, 634-646

This study is summarised as evidence for the intervention(s) shown on the right. The icon shows which synopsis it is relevant to.

Use prescribed burning on shrublands Bird Conservation

A replicated, controlled study in montane shrubland in Rocky Mountain National Park, Colorado, USA, (Jehle et al. 2006) found that green-tailed towhee Pipilo chlorurus occurrence and nesting density was significantly lower for 3-5 years after burning in four areas of subject to prescribed burning (0.05-0.30 birds/ha) compared with three unburned sites (0.60-1.95 birds/ha). Two sites, Deer Ridge Low (55 ha) and Deer Ridge High (80 ha), were burned in 1998 and 1999 respectively, with towhee density estimated in June 2002-2003. Of 179 nests found, only 14 (8%) were at burned sites, and were within remnant patches of live shrubs (in areas where burn severity had been lower).