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Table 3 Treatment and sampling timing at 26 study units established for the primary analysis of avian community changes with prescribed fire at 7 national forests in the Interior West. In mixed-severity locations where fire treatments occurred in spring of the same year as post-treatment bird surveys, fire treatments were always applied prior to the breeding season, in contrast with bird surveys, which always occurred during the breeding season

From: Short-term benefits of prescribed fire to bird communities of dry forests

National forest, state Unit pair Mean visits per season (range) Burn timing (S = spring, F = fall) Number of seasons (survey years)
Before After
Payette, Idahoa 1 1.99 (1–2) S2004 2 (2002–2003) 2 (2004–2005)
2 1.98 (1–2) S2006 2 (2004–2005) 2 (2006–2007)
3 1.98 (1–2) S2006 2 (2004–2005) 2 (2006–2007)
Okanogan-Wenatchee, Washingtona 4 2.98 (2–3) S2004 2 (2002–2003) 2 (2004–2005)
5 2.99 (2–3) S2004 2 (2002–2003) 2 (2004–2005)
6 2.98 (2–3) S2005 2 (2003–2004) 2 (2005–2006)
San Juan, Coloradoa 7 1.99 (1–2) S2008 2 (2004–2005) 2 (2008–2009)
8 1.99 (1–2) S2010 2 (2004–2005) 1 (2010)
Kaibab, Arizonab 9 3.35 (1–4) F2003 and S2004 2 (2002–2003) 2 (2004–2005)
Gila, New Mexicob 10 3.63 (1–4) F2003 and S2004 2 (2002–2003) 2 (2004–2005)
Apache-Sitgreaves, Arizonab 11 3.79 (2–4) F2003 1 (2003) 2 (2004–2005)
Coconino, Arizonab 12 3.90 (2–4) F2003 1 (2003) 2 (2004–2005)
  1. aMixed-severity locations
  2. bLow-severity locations