What can we infer about fisher microhabitat structure including coarse, woody debris, understory shrubs, or understory trees?
– This analysis did not quantitatively assess the structure of microhabitats including coarse, woody debris, understory shrubs or understory conifers. Various publications provide anecdotal information about changes in microhabitats. Hillis and others (2002b) concluded that stand-replacing fires that provided habitat for the black-backed woodpecker declined by 82% between 1940 and 1987. Hartwell and others (1999) concluded understory climax conifers increased substantially during the last 60 years of fire suppression. Gabriel (1976), Barrett (1997), and Losensky (2002) concluded that intermediate, non-lethal and mixed severity fires are an important natural process within stand-replacing fire regimes. Hillis and others (2002a) and Hillis and others (2003a) concluded that intermediate, non-lethal and mixed severity fires within stand-replacing fire regimes have been reduced proportionately greater than stand-replacing fires. Large fires in 1988, 1994, 2000, and 2001 occurred at high-tha
