TY - RPRT TI - Persistent disturbance by commercial navigation afters the relative abundance of channel-dwelling fishes in a large river AU - S. Gutreuter AU - J.M. Vallazza AU - B.C. Knights PY - 2006 DO - 10.1139/f06-129 UR - https://pubs.usgs.gov/publication/70028570 ID - 70028570 ER -