TY - RPRT TI - An index of biological integrity (IBI) for Pacific Northwest rivers AU - C.A. Mebane AU - T.R. Maret AU - R. M. Hughes PY - 2003 DO - 10.1577/1548-8659(2003)132<0239:aiobii>2.0.co;2 UR - https://pubs.usgs.gov/publication/70025891 ID - 70025891 ER -