TY - RPRT TI - Evaluation of single and two-stage adaptive sampling designs for estimation of density and abundance of freshwater mussels in a large river AU - D. R. Smith AU - J. T. Rogala AU - B. R. Gray AU - S. J. Zigler AU - T.J. Newton PY - 2011 DO - 10.1002/rra.1334 UR - https://pubs.usgs.gov/publication/70034184 ID - 70034184 ER -