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TABLE 1. Statistical results for linear mixed effects models of alpha diversity metrics (species richness, evenness, and inverse Simpson) in relation to fire severity (dNBR) and the topographic variables elevation (Elev), topographic relative moisture index (TRMI), and terrain ruggedness index (TRI). Analyzed data were abundance for each species in each of 138 plots. Results are provided for final models, factors, t values, and statistical significance (*P <0.05, **P <0.01, ***P <0.001).