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  • 1
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    Status of the spawning biomass of the Pacific sardine, 1981-82 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/288 | 8 | 2010-12-14 15:34:09 | 288 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: State law requires that the population of Pacificsardines, Sardinops sagax caeruleus, must reach aminimum spawning biomass of 20,000 short tons beforeinitiation of a fishery. Data from ichthyoplanktonsurveys, the anchovy live bait fishery, sea surveycruises, the mackerel purse seine fishery, and a brownpelican food study are discussed concerning evidenceof an increase in population size. The spawningbiomass of the northern stock of sardines appears tobe remaining well below 20,000 tons. (9pp.)
    Keywords: Management ; Fisheries ; Biology ; Pacific sardines ; Sardinops sagax caeruleus
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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  • 2
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    Status of the spawning biomass of the Pacific sardine, 1982-83 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/286 | 8 | 2010-12-14 15:34:03 | 286 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: State law provides for the initiation of a fishery forPacific sardines, Sardinops sagax caeruleus, when thespawning biomass of sardines reaches 20,000 short tons.Data from ichthyoplankton surveys, sea survey cruises,the mackerel fishery sampling program, and the live baitmonitoring program are discussed with regard to an increasein population size. It appears that the spawningbiomass of the northern stock of Pacific sardines remainsbelow 20,000 tons. (7pp.)
    Keywords: Management ; Fisheries ; Biology ; Pacific sardines ; Sardinops sagax caeruleus
    Repository Name: AquaDocs
    Type: monograph
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  • 3
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    Status of the spawning biomass of the Pacific sardine, 1983-84 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/321 | 8 | 2011-09-29 22:14:42 | 321 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: State law provides for the initiation of a fishery for Pacific sardines, Sardinops sagax caeruleus, when the spawning biomass of sardines reaches 20,000 short tons. Data from ichthyoplankton surveys, sea survey cruises, the mackerel fishery sampling program, and the live-bait fishery monitoring program are discussed with regard to an increase in population size. It appears that the spawning biomass of the northern stock of Pacific sardines remains below 20,000 tons. Legislation passed in 1983 which affects the incidental take and commercial use of sardines is also discussed. (9pp.)
    Keywords: Management ; Fisheries ; Pacific sardine ; Sardinops sagax caeruleus
    Repository Name: AquaDocs
    Type: monograph
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  • 4
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    Average lunar monthly catch of sardines in California for the 1954-55 through 1961-62 seasons (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/679 | 8 | 2011-09-29 21:41:50 | 679 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-01
    Description: The catch per unit of effort of the sardine along thecoast of California has been published for the period 1932 to 1953. This paper continues the catch per unit of effort study through the 1961-62 season. Although the catch per unit of effort varied greatly during this later period, it never reached the high levels reported during the 1940's or decreased below the values reported for the disastrous seasons of 1952-53 and 1953-54. Mortalities and year class strengths are briefly discussed. (45pp.)
    Keywords: Fisheries ; Biology ; sardine ; California
    Repository Name: AquaDocs
    Type: monograph
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  • 5
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    Status of the spawning biomass of the Pacific sardine, 1980-81 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/14 | 8 | 2011-09-29 22:41:09 | 14 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: State law requires that the population of Pacific sardines,Sardinops sagax caeruleus, must reach a minimum spawningbiomass of 20,000 short tons before initiation of a fishery.Data from ichthyoplankton surveys, the anchovy live baitfishery, sea survey cruises, and the mackerel purse seinefishery are analyzed for evidence of an increase inpopulation size. Presently, the spawning biomass of thenorthern stock of sardines remains far below 20,000 tons. (9pp.)
    Keywords: Fisheries ; Biology ; Pacific sardines ; Sardinops sagax caeruleus ; fisheries
    Repository Name: AquaDocs
    Type: monograph
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  • 6
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    Status of the spawning biomass of the Pacific sardine, 1978-79 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/22 | 8 | 2011-09-29 22:41:59 | 22 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: State law requires that the population of Pacificsardines, Sardinops sagax caeruleus, must reach aminimum spawning biomass of 20,O0O short tons beforeinitiation of a fishery. Data from ichthyoplanktonsurveys, the anchovy live bait fishery, sea surveycruises, and the jack mackerel purse seine fisheryare analyzed for evidence of an increase inpopulation size. Presently, the spawning biomassof the northern stock of sardines remains far below20,000 tons. (9pp.)
    Keywords: Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
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  • 7
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    Status of the spawning biomass of the Pacific sardine, 1977-78 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/58 | 8 | 2011-09-29 13:04:36 | 58 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: State law requires that the population ofPacific sardines, Sardinops sajax caeruleus,must reach a minimum spawning biomass of20,000 short tons before initiation of afishery. Data from ichthyoplankton surveys,sea survey cruises, the anchovy bait fishery,and jack mackerel purse seine fishery areanalyzed for evidence of an increase inpopulation size. Presently, the spawningbiomass of the northern stock of sardines isfar below the minimum requirement. (8pp.)
    Keywords: Fisheries ; Biology ; Pacific sardines ; Sardinops sajax caeruleus
    Repository Name: AquaDocs
    Type: monograph
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  • 8
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    Status of the spawning biomass of the Pacific sardine, 1976-77 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/77 | 8 | 2011-09-29 22:38:07 | 77 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: In order to initiate a fishery for the Pacificsardine, Sardinops sagax caeruleus, it is required that the spawning biomass be determined to have reached a minimum of 20,000 short tons. Data from ichthyoplankton surveys, sea survey cruises, the anchovy bait fishery,and jack mackerel purse seine fishery are analyzed for evidence of an increase in population size. The present level of the spawning population of the northern stocks ofsardines is determined to be far below the 20,000 tons required to initiate a fishery. (8pp.)
    Keywords: Fisheries ; Biology ; Pacific sardine ; Sardinops sagax caeruleus ; fisheries
    Repository Name: AquaDocs
    Type: monograph
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  • 9
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    Status of the spawning biomass of the Pacific sardine, 1975-1976 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/87 | 8 | 2011-09-29 22:36:50 | 87 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: In order to initiate a fishery for the Pacific sardine, Sardinops sajax caeruleus, it is required that the spawning biomass be determined to have reached a minimum of 20,000 short tons. Data from ichthyoplankton surveys, night-light surveys, the anchovy bait fishery, and jack mackerel purse seine fishery are analyzed for evidence of an increase in population size. The present level of the spawning population of the northern stocks of sardinesis determined to be far below the 20,000 tons required toinitiate a fishery. (11pp.)
    Keywords: Fisheries ; Pacific sardine ; Sardinops sajax caeruleus ; fisheries
    Repository Name: AquaDocs
    Type: monograph
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  • 10
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    Status of Pacific Mackerel spawning population, 1976 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/132 | 8 | 2021-02-27 19:36:05 | 132 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-26
    Description: In order to initiate a fishery for the Pacific mackerel, Scomber japonicus, it is required that the spawning biomass be determined to have reached 10,000 short tons. Tag and recovery data and jack mackerel, Trachurus symmetricus, fishery data are analyzed for evidence of an increase in Pacific mackerel population size. The present level of the spawning population of Pacific mackerel, although larger than in recent years, is determined to fall short of the 10,000 tons needed to initiate a fishery. (24pp.)
    Keywords: Management ; Fisheries ; Pacific mackerel ; Scomber japonicus ; Jack Mackerel ; Trachurus symmetricus ; fisheries
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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