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  • Articles  (9)
  • Engraulis mordax
  • Inorganic Chemistry
  • 2020-2022  (9)
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  • Articles  (9)
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  • 1
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    The status of the northern Anchovy resource and its management (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/661 | 8 | 2011-09-29 21:43:43 | 661 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-01
    Description: The northern anchovy, Engraulis mordax, has been thesubject of increasing exploitation during the last 60 years.Concentrated studies of its biology and population dynamicshas yielded population estimates of 5 to 8 million metrictons or about 5 to 10 times that existing during 1950-51.Continuing cooperative study programs between the State ofCalifornia, the Federal Government and the government ofMexico are recommended. (15pp.)
    Keywords: Management ; Fisheries ; Biology ; Northern anchovy ; Engraulis mordax
    Repository Name: AquaDocs
    Type: monograph
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  • 2
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    The Northern Anchovy reduction fishery for the 1978-79 through 1981-82 seasons (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/717 | 8 | 2011-09-29 21:41:21 | 717 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-02
    Description: Nearly 49,000 metric tons (MT) of anchovies were taken during the 1978-79 season, followed by 32,390 MT in 1979-80, 60,678 MT in 1980-81 and 45,150 MT in 1981-82. A total of 14,076 fish was sampled during the four seasons for age, length and sex. The fishery during the four seasons consisted mainly of young-of-the-year and age groups I and II fish. The 1978 and 1979 yr classes comprised the major share of the catch. Seasonal mean lengths varied from 112 mm standard length (SL) in the 1979-80 season to 122 mm SL for the 1981-82 season. Female to male sex ratios ranged from 1.17:l (1978-79 season) to 1.59:l (1979-80 season). (28pp.)
    Keywords: Management ; Fisheries ; Biology ; Northern anchovy ; Engraulis mordax ; California
    Repository Name: AquaDocs
    Type: monograph
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  • 3
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    The mortality rate of Engraulis mordax in Southern California (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/772 | 8 | 2011-09-29 21:37:05 | 772 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-02
    Description: The annual mortality rate for the northern anchovy, Engraulismordax, is estimated to be 66.5% in southern California waters, although the mortality rate increases sharply for older fish. A method for evaluating recruitment regularity and age constancy of mortality is presented. (Document has 25 pages)
    Keywords: Fisheries ; Biology ; Engraulis mordax ; northern anchovy ; Southern California ; mortality
    Repository Name: AquaDocs
    Type: monograph
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  • 4
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    Southern California anchovy reduction fishery sampling plan review (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/62 | 8 | 2011-09-29 13:04:16 | 62 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: The sampling plan applied to the northern anchovy, Engraulis mordax, reduction fishery catch was reviewed to determine the effects on age composition estimates which would be caused by decreasing the sample size per stratum of catch. Age composition estimates for samples of 5, 10, and 15 per stratum were computer calculated using the sampling plan program and then compared with estimates for the standard sample of 30 from the same strata. As the sample size decreased the variances of the age composition statistics greatly increased. Errors were detected in the computer program and the variance equation have been corrected. (30pp.)
    Keywords: Management ; Fisheries ; Biology ; Northern anchovy ; Engraulis mordax
    Repository Name: AquaDocs
    Type: monograph
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  • 5
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    The use of otoliths to separate groups of northern Anchovies, Engraulis mordax (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/658 | 8 | 2011-09-29 21:43:51 | 658 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-01
    Description: Variation in the otolith weight to standard length relationship of anchovies reveal that southern and central Baja California, northern Baja California (Mexico) to central California (U.S.A.), and northern California contain distinct groups of anchovies. A quantitative measurementof these differences was determined between fishes from these three areas. The degree of overlap (probability of correctly classifying a sample of fish from the otolith-standard length relationship) was highest (.82) between northern California and southern and central Baja California. (27pp.)
    Keywords: Fisheries ; Biology ; otolith ; Northern anchovy ; Engraulis mordax
    Repository Name: AquaDocs
    Type: monograph
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  • 6
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    A history of the California live-bait fishing industry (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/680 | 8 | 2011-09-29 21:41:52 | 680 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-02
    Description: Fishing for live bait was originally introduced in 1910by Japanese albacore fishermen employing "blanket" nets. Thenorthern anchovy has always been the mainstay of the fisheryproviding 98 to 99% of the catch since 1957. Prior to thatthe Pacific sardine contributed 15 to 20% of the catch. Inpast years, when fishermen had difficulty locating fish, LosAngeles - Long Beach Harbor provided as much as 80% of theentire live-bait catch. A live-bait sampling program was initiated in 1955 by the Department of Fish and Game to maintain a closer check on the relative health of the anchovy resource. This sampling program provides the first visible indication of the yearly spawning success of northern anchovies and Pacific sardines. A brief summary of the fishing conditions from 1957 - 1973 are presented. (26pp.)
    Keywords: Fisheries ; Biology ; California ; Northern anchovy ; Engraulis mordax ; Pacific sardine ; Sardinops sagax
    Repository Name: AquaDocs
    Type: monograph
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  • 7
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    Northern anchovy age and size composition, 1974-75 season (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/705 | 8 | 2011-09-29 21:40:12 | 705 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-02
    Description: The California anchovy reduction fishery amounted to 105,767 megagrams (116,588 short tons) for the 1974-75 season. Southern California catch was dominated by age-group II (1972 year class) with substantial numbers of age groups III (1971 year class) and IV (1970 year class). Central California's anchovy catch consisted of similar age groups II, III and IV (1972, 1971 and 1970 year classes). Document has 23 pages.
    Keywords: Management ; Fisheries ; Biology ; Northern anchovy ; Engraulis mordax ; California
    Repository Name: AquaDocs
    Type: monograph
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  • 8
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    Species Profiles: Life Histories and Environmental Requirements of Coastal Fishes and Invertebrates (Pacific Southwest): Northern anchovy (2021)
    United States Fish and Wildlife Service | Vicksburg, MS
    In:  http://aquaticcommons.org/id/eprint/3968 | 8 | 2011-09-29 16:33:44 | 3968 | United States Fish and Wildlife Service
    Details
    Publication Date: 2021-06-28
    Description: Three genetically distinct groups: British Columbia to northern California, Southern California to the northern Baja peninsula, and central and southern Baja California. (PDF contains 21 pages)
    Description: Series: United States. Army Corps of Engineers, TR EL-82-4 Performed for Coastal Ecology Group, Waterways Experiment Station, U. S. Army Corps of Engineers Vicksburg, MS 39180 and National Coastal Ecosystems Team, Division of Biological Services, Research and Development, Fish and Wildlife Service U.S. Department if the Interior Washington, DC 20240
    Keywords: Fisheries ; Oceanography ; Engraulis mordax ; Northern anchovy ; Northern anchovy ; Canada ; California ; Baja California ; Mexico
    Repository Name: AquaDocs
    Type: monograph
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  • 9
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    The northern anchovy fishery for the 1975-76 season (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/708 | 8 | 2011-09-29 21:40:17 | 708 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-02
    Description: Anchovy landings for the 1975-76 season totaled 127,829 mg (140,906 short tons). Southern California samples exhibited the preponderance of age group II (1973 year class) followed by age group III (1972 year class). Younger age groups were present in below average numbers. Numerical sex ratios werecalculated to be 1.5:l and 1.9:l female to male forsouthern and central California respectively. (27pp.)
    Keywords: Management ; Fisheries ; Biology ; Northern anchovy ; Engraulis mordax ; California
    Repository Name: AquaDocs
    Type: monograph
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