TY - RPRT TI - Sampling effort affects multivariate comparisons of stream assemblages AU - Y. Cao AU - D. P. Larsen AU - R. M. Hughes AU - P. L. Angermeier AU - T. M. Patton PY - 2002 DO - 10.2307/1468440 UR - https://pubs.usgs.gov/publication/70023897 ID - 70023897 ER -