In recent years shrimp harvests of commercial fishermen in the South Atlantic have declined dramatically in total weight. The decline is due primarily to competition from a growing number of recreational fishermen, who are able to net young shrimp in the estuaries where they mature. Which of the following regulatory actions would be most likely to help increase the shrimp harvests of commercial fishermen?
A.
Requiring commercial fishermen to fish in estuaries.
B.
Limiting the total number of excursions per season for commercial fishermen.
C.
Requiring recreational fishermen to use large-mesh nets in their fishing.
D.
Putting an upper limit on the size of the shrimp recreational fishermen are allowed to catch.
E.
Allowing recreational fishermen to move out of estuaries into the South Atlantic.