Cavity-Nesters and The Effects of Fire

Historically, severe burns, or stand-replacement fires, in mixed-conifer forests occurred every 140-340 years (Agee 1994). The frequency of stand-replacing fires has increased over the past few decades (Arno 1980, Quigley et al. 1996, Saab and Dudley 1998, Arno 2000). ................
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