Fuel loading through time for (a) first entry fires and (b) second entry fires. Different letters indicate significant differences between treatment years (α ≤ 0.05). Bars and lines represent means and standard errors. Time of plot measurement indicates when measurements occurred: Pre and post burn = immediately pre or post fire; numbers indicate years post fire. Fine fuels = 1 hr, 10 hr, and 100 hr time lag fuels. Data from permanent monitoring plots located at Zion National Park, Utah, USA.