GAPS IN KNOWLEDGE
•Recruitment, especially from wild;
•Consumption and conversion efficiency rates;
      especially in winter;
•Site-specific post-stocking survival;
•Consequences of prey limitation:
-on recruitment rates;
-disease (BKD);
-nutrition (EMS).
•
Great Lakes fish communities have changed since the 1960s when alewives were overabundant and surplus production wind rowed on the beaches.  Now surplus production is pretty well tapped by a variety of predators.