of adult alewives was indexed in most years using 1.5 and 2” mesh gillnets.
|The catch rate
rose from 1990 to 1994, remained relatively high to 1995, but had declined to
below the 1990 level by 1998.
|This trend in
alewife abundance parallels annual harvest of brown trout in Thunder Bay,
with peak in harvest from 1993-1995, following years of high alewife catch