"The regulation to close the FCZ waters off the coast of Texas to shrimp fishing from May 27 to July 15, 1983, benefitted the Gulf brown shrimp fishery by increasing the yield by about 3% (1.6 million pounds), based on May-August data. No increase in ex-vessel value for 1983 was shown, although the estimate at this time is preliminary and subject to change. In 1981 and 1982 the FCZ closure provided benefits of 3.6 million pounds (1981) and 1.5 million pounds (1982), which represented increases to the Gulf fishery of 5% and 3% respectively. Benefits in dollars were

Technical Memorandum