Table 3. Landscape, aquatic habitat, and trout variables measured for primary sampling sites (n = 28). In 2002, we resampled velocity and depth conditions and trout at ten sites. Variable Abbreviation Units Year Value range Basin area BA km2 6–43 Elevation ELEV m 396–740 Percent riparian forest cover %RC % 1998 29–100 Percent catchment forest cover %CC % 1998 73–99 M7DAM temperature M7DAMT °C 2001 17.6–24.5 2002 18.3–25.1 2003 16.9–23.5 Riffle embeddedness index REI 2001 31–47 Maximum reach velocity MRV m / sec 2001 0.44–2.2 2002 0.72–1.48 Maximum reach depth MRD m 2001 0.31–1.23 2002 0.36–0.82 Local reach slope LRS % over 100 m 2001 0.2–3.3 Young trout biomass YTB g/100 m2 2001 0–76.6 2002 0–46.2