TY - RPRT TI - Ichthyoplankton abundance and variance in a large river system concerns for long-term monitoring AU - Leslie E. Holland-Bartels AU - Michael R. Dewey AU - Steven J. Zigler PY - 2006 DO - 10.1002/rrr.3450100102 UR - https://pubs.usgs.gov/publication/70006927 ID - 70006927 ER -