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PELAGIC OBSERVER PROGRAM (POP). Catch/Effort data collected by observers on board U.S. commercial Pelagic Longline vessels

Published by Southeast Fisheries Science Center | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: December 19, 2025 | Last Modified: 2025-11-10T22:56:29.000+00:00
This data set contains data that are collected by trained observers aboard pelagic longline vessels in the Atlantic Ocean and Gulf of Mexico. The fishery observers are deployed to collect catch and effort data and record information on the types and numbers of fish that are discarded and interactions with marine mammals or endangered species. Vessels that have Federal permits to fish for swordfish are required to take a fishery observer onboard for the duration of a trip if the vessel is selected. The data that are submitted to the mandatory pelagic longline logbook program are used as the population from which the vessels are randomly selected. A 5 to 8 percent sample of vessels is selected to carry an observer for at least one trip during a calendar quarter.

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