Relative Distribution and Abundance of Alewife
in the Northwestern Atlantic
Derived from the NEFSC Spring Bottom Trawl Surveys
This shows relative alewife stock weight and location. Yellow circles indicate herring are present, larger circles indicate more herring, plus sign (+) indicates sampled area where no herring were found.
The information displayed here represents a timeseries collected consistently since 1968.
The Northeast's resource survey constitutes the world's longest and most comprehensive standardized measure of distribution and abundance trends in commercially harvested finfish.