TY - RPRT TI - Effects of physical disturbance and granivory on establishment of native and alien riparian trees in Colorado, USA AU - G.L. Katz AU - Jonathan M. Friedman AU - S.W. Beatty PY - 2009 DO - 10.1046/j.1472-4642.2001.00093.x UR - https://pubs.usgs.gov/publication/1015153 ID - 1015153 ER -