Status of Pacific Mackerel and Trends in Abundance During 1978-1993 (With Data Tables)
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Abundance data and virtual population analysis indicate that biomass of Pacific mackerel (Scomber japonicus) declined substantially after the early 1980's to less than 100,000 tons during 1993... Recent catch levels... were large relative to biomass and may have exceeded the target 30% total exploitation rate policy that is the basis for management in California 1994 NMFS (National Marine Fisheries Service) SWFSC (Southwest Fisheries Science Center) Library Public Domain 1863
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NOAA
创建时间：
2021-06-23
