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Observations on purse-seined king mackerel (Scomberomorus cavalla) and Spanish mackerel (Scomberomorus maculatus), March 1983-March 1986
Filetype[PDF-1.74 MB]

  • Description:
    "Concerns about over exploitation of fishery resources by purse seines were raised by Moe in 1967. His warnings followed Ingle's (1967) report on experimental purse seining supervised by Florida's Board of Conservation between 1964 and 1967. Approximately 100,000 pounds of king mackerel were caught in the winter of 1965-66, and about 44,000 pounds were caught the following winter with purse seines. Ingle concluded that purse seining was feasible and that it was quicker, more efficient, and the equipment was easier to use than a gill net, but that it had limitations in use over rough bottom. Moe warned that mregulated exploitation with purse seines could result in the depletion of Florida's fish stocks and the ultimate loss of valuable fisheries. Similar concerns were expressed during the development of the Fishery Management Plan for Coastal Migratory Pelagic Resources by members of the Gulf of Mexico Fishery Management Council and the South Atlantic Fishery Management Council. Thus, when the plan was implemented in February 1983, it required that for three years, observers be placed on any purse seine vessel fishing for king mackerel or Spanish mackerel. The plan stated, "There are two main reasons why observers are necessary: (1) to accurately count the total harvest and (2) to obtain an accurate and unbiased report on purse seine activites." This report summarizes the observations made, and data collected on fishing activities, species in the catches, and size and sex composition of mackerels, while aboard purse seine vessels from March 1983 through March 1986"--Introduction.
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