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  • 1
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    Pelagic shark/swordfish drift gill net fishery: management information document (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/242 | 8 | 2020-08-24 03:42:30 | 242 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-27
    Description: In 1977 a new fishery began to develop off the coast ofsouthern California. Long gill nets, drifted near the surface in the deep offshore waters, were being used successfully in landing pelagic sharks, primarily threshers. Recent increases in the retail demand for fish had led wholesale buyers to look for new sources of fish protein. Shark meat looked promising to many buyers. Aided by the public's rekindled fascination for sharks, the timing seemed favorable for introducing sharks as food. Word spread that wholesalers were willing to pay a good price for sharks. This created what appeared to many commercial fishermen to be the beginning of a bonanza.The new shark fishery grew rapidly. The number of vesselsengaged in offshore drift gill net operations grew from about 15 in 1977 to approximately 230 by 1984.Fishery biologists have expressed concern over the rapidexpansion of the commercial shark fleet. Historically, sharkfisheries have tended to decline after their initial success, due principally to slow growth and reproductive rates which seem to characterize sharks as a group. Perhaps the new thresher shark fishery might also be subject to a similar decline.Biologists were not the only ones who looked on the newindustry with concern. Among sport fishermen and conservation groups, rumors of marlin, whales, and seals taken by the hundreds became commonplace.Concern spread among the traditional swordfish harpoonfleet that landings by drift gill nets might glut the swordfish markets, driving prices down to the point that harpooners could no longer compete. Some harpooners voiced fears that drift gill nets might even overfish the swordfish stocks, causing serious declines in the availability of fish.Some conservation groups sought to ban the use of all gillnets, feeling that gill nets are inherently indiscriminant in what they catch and that the benefits derived from their use is always over-shadowed by the waste of marine life resulting from their use.In September of 1980, the Legislature enacted Assembly Bill2564 (Kapiloff), which directed the Department of Fish and Game to conduct a study of the drift gill net shark fishery. The purpose of the study was to determine what impact the use of drift gill nets might have on existing fisheries or upon other members of the local marine community such as whales, dolphins, and seals. The final report of that study "Pelagic Shark/Swordfish Drift Gill Net Fishery Management Information Document" was sent to the California Legislature in January 1983.In September 1982, the Legislature enacted Senate Bill 1573(Beverly), directing the Department of Fish and Game to continue monitoring the drift gill net fishery. It also directed, that a further study be conducted on the status of the thresher shark and swordfish resources off California and on the effects of the fishery on other resources. A report on this study would be prepared and delivered to the Legislature on or before January 1, 1985. The study was conducted. This is the report on that work. (77pp.)
    Keywords: Management ; Fisheries ; Biology
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  • 2
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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
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  • 3
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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
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  • 4
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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
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  • 5
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    Status of the spawning biomass of the Pacific sardine, 1984-85 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/325 | 8 | 2011-09-29 22:15:06 | 325 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: State law provides for the initiation of a 1000-ton fishery for Pacific sardines, Sardinops sagax, when the spawning biomass of sardines reaches 20 000 short tons.Data from ichthyoplankton surveys, an aerial spotter index, sea survey cruises, the mackerel fishery, and the live bait fishery are discussed as indicators of the relative abundance of sardines compared to previous years. It appears the spawning biomass of the northern subpopulation of Pacific sardine remains below 20 000 tons. A proposedsurvey plan is described for determining the relative magnitude of the sardine spawning biomass on an annual basis. Legislation is discussed which was passed in 1984 and pertains to the sardine resource. (23pp.)
    Keywords: Management ; Fisheries ; Pacific sardines ; Sardinops sagax
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  • 6
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    Cruise Report 74-KB-5: Abalone and Lobster Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/657 | 8 | 2011-09-29 21:43:49 | 657 | California Department of Fish and Game
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    Publication Date: 2021-07-01
    Description: Document has 8pp.
    Keywords: Ecology ; Management ; Fisheries ; Biology ; Anacapa Island ; Santa Cruz Island ; California ; Pink abalone ; Haliotis corrugata ; White abalone ; Haliotis sorenseni ; Spiny lobster ; Panulirus interruptus
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  • 7
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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
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    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
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  • 8
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    Status of the Jack Mackerel resource and its management (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/667 | 8 | 2011-09-29 21:43:27 | 667 | California Department of Fish and Game
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    Publication Date: 2021-07-01
    Description: The jack mackerel, Trachurus symmetricus, resource off thewest coast of North America is known to be large and widelydistributed. The spawning biomass is estimated to be 2.1 to 4.8 million tons based upon abundance of jack mackerel eggs collected at sea. The distribution extends from the Gulf of Alaska to the Gulf of Tehuantepec, off the coast of southern Mexico, and as far as 1,500 miles seaward. Within this range lies an area of maximum density which extends from Point Conception to central Baja California.Jack mackerel biological data has not been processed veryrapidly due to higher priorities for analysis of sardine andPacific mackerel data, and the apparent healthy condition ofthis resource. The California Department of Fish and Gameinitiated several projects in 1972 to resolve unanswered biological questions. (14pp.)
    Keywords: Management ; Fisheries ; Biology ; Jack mackerel ; Trachurus symmetricus
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  • 9
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    The status of the Pacific mackerel resource and its management (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/668 | 8 | 2011-09-29 21:43:29 | 668 | California Department of Fish and Game
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    Publication Date: 2021-07-01
    Description: Recent developments in management, biological knowledge,and history of the Pacific mackerel, Scomber japonicus, resource and its fishery in California and Mexico are reviewed. Currently the resource is extremely depleted, and commercial fishing has been curtailed. The 1970 year class was successful, and eventual rehabilitation of the fishery is anticipated. (15pp.)
    Keywords: Management ; Fisheries ; Biology ; Pacific mackerel ; Scomber japonicus
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  • 10
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    Mariculture in California (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/673 | 8 | 2011-09-29 21:42:47 | 673 | California Department of Fish and Game
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    Publication Date: 2021-07-01
    Description: Mariculture in California is currently under developmentby several private concerns, universities, and by theCalifornia Department of Fish and Game. At present, mostof these efforts classify as research and development witha few in the pilot production phase.The Department of Fish and Game is presently conductingresearch in the culture of mortality resistant strains ofPacific oyster, Crassostrea virginica, the red abalone,Haliotis rufescens, and the spot prawn, Pandalus platyceros. (18pp.)
    Keywords: Management ; Fisheries ; Aquaculture ; Biology ; Mariculture ; California ; Pacific oyster ; Crassostrea virginica ; red abalone ; Haliotis rufescens ; spot prawn ; Pandalus platyceros
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  • 11
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    The status of the California yellowtail resource and its management (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/671 | 8 | 2011-09-29 21:42:53 | 671 | California Department of Fish and Game
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    Publication Date: 2021-07-01
    Description: The California yellowtail, Seriola dorsalis, is a highlyfavored sport fish and a minor commercial species. Since1954 commercial landings have been limited by demand, and thesport catch has been about three times the number of fishcaught by commercial fishermen.Recreational fishing for yellowtail in southernCalifornia waters is almost entirely dependent on annualmigrants from central and northern Baja California. The resource is presently healthy but reduced catches off California could be the result of an expanded catch off Mexico. (19pp.)
    Keywords: Management ; Fisheries ; Biology ; California yellowtail ; Seriola dorsalis ; California
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  • 12
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    Pacific oyster disease and mortality studies in California (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/678 | 8 | 2011-09-29 21:42:21 | 678 | California Department of Fish and Game
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    Publication Date: 2021-07-01
    Description: Investigation of Pacific oyster mortalities was carriedout over a six-year period in major northern and centralCalifornia oyster rearing areas. Effort was directed towarddefining areas of high oyster mortality and determiningpossible etiologies of observed losses through monthly monitoring and sampling of experimental and commercial oyster populations in Morro Bay, Elkhorn Slough, Drakes Estero, Tomales Bay and Humboldt Bay.Hydrographic data was collected in all areas and a two yearstudy of phytoplankton and water quality in Humboldt Baywas initiated to observe relationships with oyster mortalitypatterns.Research undertaken to develop methods to alleviate losses among Pacific oyster populations included an oyster seed source study, investigation of optimal oyster culturingtechniques and preliminary efforts to develop a mortalityresistant strain of oysters in Humboldt Bay. The cause ofmortality among Pacific oyster populations in Humboldt Bayremains uncertain but a bacterial etiology correlated withelevated water temperatures is suspected. The best methodof circumvention of losses appears to be the culturing of"domestic" seed sources on racks. (55pp.)
    Keywords: Management ; Aquaculture ; Biology ; Pacific oyster ; Crassostrea gigas ; California
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  • 13
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    California's Pacific bonito resource, its status and management (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/704 | 8 | 2011-09-29 21:40:10 | 704 | California Department of Fish and Game
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    Publication Date: 2021-07-02
    Description: Pacific bonito, Sarda chiliensis, have become increasinglyimportant to California's sport and commercial fishermen sincethe early 1960's, but are now showing signs of decline. Recentinvestigations have revealed much about the bonito's lifehistory and population dynamics.These recent discoveries have been brought together into a document which will serve as a guide to future managementactions. Document has 44 pages.
    Keywords: Management ; Fisheries ; Biology ; California ; Pacific bonito ; Sarda chiliensis
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  • 14
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    A report on the sea otter, Enhydra lutris L., in California (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/674 | 8 | 2011-09-29 21:42:26 | 674 | California Department of Fish and Game
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    Publication Date: 2021-07-01
    Description: This report discusses in detail findings and observationsof 5 years of research on the sea otter population and itsrelationship to the nearshore marine environment in California. Initial efforts were directed at providing some relief to the commercial abalone fishery in the Cambria - Point Estero area north of Morro Bay. This fishery has subsequently collapsed along with other commercial and sport abalone and sport crab fisheries throughout the sea otter's range due to continued sea otter foraging. Capturing, tagging and translocation studies, censusing studies, examination of sea otter remains, habitat surveys, food habits observations and studies on otters in captivity provide a broad base of information on the expandingsea otter population in California and its effects onresources utilized by man. Recommendations for sea ottermanagement consistent with esthetic, recreational, and commercial uses of marine resources are included in this report. (95pp.)
    Keywords: Management ; Biology ; sea otter ; Enhydra lutris ; California ; Estero Bay ; Monterey Bay
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  • 15
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    The Southern California Jack Mackerel fishery and age composition of the catch for the 1947-48 through 1956-57 seasons (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/676 | 8 | 2011-09-29 21:42:22 | 676 | California Department of Fish and Game
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    Publication Date: 2021-07-01
    Description: The southern California commercial catch of jack mackerel experienced a tremendous expansion during the 1947-48 season. Landings ranged from a high of 158.7 million pounds landed during 1952-53 t o a low of 14.0 million pounds landed during 1954-55.The 1947 year class contributed 296,718 thousand fish and 167,997 thousand pounds. (49pp.)
    Keywords: Management ; Fisheries ; Biology ; Southern California ; Jack Mackerel ; Trachurus symmetricus
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  • 16
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    The Southern California jack mackerel fishery and age composition of the catch for the 1957-58 through 1961-62 seasons (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/677 | 8 | 2011-09-29 21:42:28 | 677 | California Department of Fish and Game
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    Publication Date: 2021-07-01
    Description: Approximately 29.7,25.9, 50.9, 64.6, and 102.9 millionpounds were landed for the 1957-58 through 1961-62 seasons.The 1957, 1958, 1959, and 1960 year classes each contributedover 100 million fish to the fishery over the fiveseasons. The 1958 year class also contributed 112 millionpounds landed. (27pp.)
    Keywords: Management ; Fisheries ; Biology ; Southern California ; jack mackerel ; Trachurus symmetricus
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  • 17
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    The Southern California jack mackerel fishery and age composition of the catch for the 1962-63 through 1966-67 seasons (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/681 | 8 | 2011-09-29 21:40:58 | 681 | California Department of Fish and Game
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    Publication Date: 2021-07-02
    Description: Commercial landings for the 1962-63 through 1966-67 seasons ranged from a high of 92.9 million pounds landed in 1962-63 to a low of 41.2 million pounds landed during 1966-67.The 1958 year class contributed 401,054,000 fish and127,207,000 pounds through the 9 seasons it was present inthe fishery. This was the largest number of fish contributedto the fishery by any year class since jack mackerel canningstarted in 1947. (30pp.)
    Keywords: Management ; Fisheries ; Biology ; southern California ; jack mackerel ; Trachurus symmetricus
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  • 18
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    Pismo clams and sea otters (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/684 | 8 | 2011-09-29 21:41:45 | 684 | California Department of Fish and Game
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    Publication Date: 2021-07-02
    Description: Sea otter foraging along Monterey Bay beaches and at Atascadero State Beach has precluded recreational Pismo clam fisheries at six major clamming beaches. Outside the sea otter's foraging range Pismo clam stocks are yielding good catches; apparently the stringent controls on the recreational fishery is adequate to maintain the State's Pismo clam stocks. Clammer interviews at Orange and Los Angeles County beaches and at beaches near Pismo Beach and Morro Bay and in Monterey Bay revealed the clam stocks to be on a healthy, sustainable yield basis. Exceptionallylarge numbers of small 1.5 to 3.5 inch Pismo clams were reported at all clam beaches surveyed north of Pt. Conception indicating good year class survival in recent years. Sea otters forage dense Pismo clam beds by moving along a "front", progressively foraging from one beach to the next, reducing the clams to low levels before moving on. Some sea otters continue to forage throughout the areas previously depleted by the larger aggregate moving northward, thus the large numbers of sublegal clamsin the 1.5 to 3.5 inch size group in these intertidal and shallow subtidal areas are not expected to reach legal size in numbers sufficient to develop a recreational fishery. In Monterey Bay about 60,000 Pismo clams were removed or killed by human activity in the April 1974 to March 1975 period. A rough estimate of the Pismo clams consumed by sea otters during this same period in Monterey Bay is over 500,000 clams. (51pp.)
    Keywords: Ecology ; Management ; Biology ; Pismo clam ; Tivela stultorum ; Sea otter ; Enhydra lutris L. ; Monterey Bay ; California
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  • 19
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    A review of the San Diego Bay striped mullet, Mugil Cephalus, fishery (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/723 | 8 | 2011-09-29 21:38:15 | 723 | California Department of Fish and Game
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    Publication Date: 2021-07-02
    Description: San Diego Bay was reopened to commercial gill net fishingfor striped mullet, Mugil cephalus, in that portion of thebay south of the San Diego - Coronado bridge in 1977 via anexperimental gear permit issued by the Fish and GameCommission. In 1985, legislation was passed allowing up tofive permits each annual season to fish for striped mulletin south San Diego Bay. Annual landings ranged from 18,700to 46,800 pounds from 1980 through 1986. (17pp.)
    Keywords: Management ; Fisheries ; San Diego Bay ; California ; Striped mullet ; Mugil cephalus
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  • 20
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    The speckled scallop, Argopecten circularis, in Aqua Hedionda Lagoon, San Diego County, California (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/724 | 8 | 2011-09-29 21:38:24 | 724 | California Department of Fish and Game
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    Publication Date: 2021-07-02
    Description: Speckled scallops, Argopecten circularis (Sowerby, 1835), were sampled at Agua Hedionda Lagoon, Carlsbad, San Diego County from March 1984 to October 1986, to obtain basic life history data. Monthly samples of scallops were collected, measured, and released to obtain length frequency data for estimates of growth, life span, and spawning period. Subsamples of scallops were collected for determination of gonadal-somatic and adductor muscle-somatic indices.In 1984 large concentrations of speckled scallops were found on the sand-silt bottom of the lagoon, closely associated with eelgrass, Zostra marina. During the course of the study the numbers of scallops declined, until their virtual disappearance at the end of 1986. Monthly length frequency plots from 24,375 scallop measurements indicate that this is a rapidly growing species with a short life span. Gonadal- and adductor muscle-somatic indices from subsamples of 1,714 scallops indicate first spawning at age one and a relationship between temperature and spawning.Based on this study management recommendations are made for the speckled scallop. (39pp.)
    Keywords: Management ; Fisheries ; Biology ; speckled scallop ; Argopecten circularis ; Aqua Hedionda Lagoon ; San Diego ; California
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  • 21
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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
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    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
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  • 22
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    Red abalone size data from Johnsons Lee, Santa Rosa Island, collected from 1978 to 1984 (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/720 | 8 | 2011-09-29 21:39:31 | 720 | California Department of Fish and Game
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    Publication Date: 2021-07-02
    Description: Red abalone, Haliotis rufescens, were collected at Johnsons Lee, Santa Rosa Island, in the summers of 1978 through 1982, and in 1984, to obtain data for determining various fishery population parameters. Annual visits to the study site were made at yearly intervals to simplify growth calculations.During the first four visits, 2145 red abalones were tagged,measured, and replaced. Shell damage, soft tissue injuries, and causes of mortality were noted. The method of tagging isdescribed.Recovery of first tagged abalone after one year was approximately 30%. Analysis of variance of the annual samples indicated that the samples were, with one exception, not different. Summaries are presented of the number of abalone collected and tagged by year, frequencies of shell damage, soft tissue injury, predatory sponge infestation, and total mortality. Appendices include a listing of the raw size data and various codes for each tagged abalone. (56pp.)
    Keywords: Management ; Fisheries ; Biology ; Red abalone ; Haliotis rufescens ; Santa Roas Island ; California
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  • 23
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    The status of the white seabass resource and its management (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/756 | 8 | 2011-09-29 21:36:21 | 756 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-02
    Description: White seabass, Cynoscion nobilis, have been fished inCalifornia since late in the ninteenth century. At presentthe commercial fishery is stable, landing about 8 hundredthousand pounds per year, but the sport fishing has declinedto the poorest catch on record. (Document has 11 pages.)
    Keywords: Management ; Fisheries ; Biology ; White seabass ; Cynoscion nobilis ; California
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  • 24
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    Cruise Report 74-KB-30 and 74-M-6: Abalone - Lobster Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/842 | 8 | 2011-09-29 21:32:12 | 842 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-03
    Description: (3pp.)
    Keywords: Management ; Fisheries ; Biology ; R/V Kelp Bass ; R/V Mollusk ; San Clemente Island ; Santa Catalina Island ; California ; green abalone ; Haliotis fulgens ; tag and recapture
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  • 25
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    Cruise Report 74-KB-31: Sportfish-Kelp Habitat Project (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/843 | 8 | 2011-09-29 21:32:17 | 843 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-03
    Description: (2pp.)
    Keywords: Management ; Fisheries ; Biology ; R/V Kelp Bass ; Catalina Island ; Palos Verdes Peninsula ; California ; Giant kelp ; Macrocystis sp.
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  • 26
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    Pendleton Artificial Reef: annual progress report presented to Southern California Edison Company (2021)
    State of California, Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2197 | 8 | 2011-09-29 19:29:20 | 2197 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-12
    Description: (PDF contains 82 pages.)
    Description: Nearshore Sportfish Habitat Enhancement Program
    Keywords: Management ; Ecology ; Fisheries ; Biology ; artificial reef ; marine algae ; marine invertebrates ; fish ; Southern California ; Nearshore Sportfish Habitat Enhance~cnt Program
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  • 27
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    Southern California marine sport fishing: private-boat catch and effort during 1981 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/314 | 8 | 2011-09-29 22:14:03 | 314 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: An extensive study of fishing activity stemming from privately-owned boats was conducted during 1981 in order to determine the magnitude and impact of this segment of southern California's marine sport fishery. Anglers and divers returning from fishing trips were interviewed at launch ramps, boat hoists, and boat-rental facilities from Pt. Conception to the Mexican border. Information on fishing catch and effort was used to calculate statistical estimatesof total catch, total effort, catch of preferred sportfish species, and compliance rates for legal minimumsize limits.An estimated 1,013,000 organisms were landed during355,000 fishing trips. The major components of thisyear's catch were 1) Pacific mackerel, Scomber japonicus, 231,000 landed; 2) Pacific bonito, Sarda chiliensis, 157,000 landed; 3) white croaker, Genyonemus lineatus, 148,000 landed; and 4) rockfish, Sebastes spp., 142,000 landed. These fishes contributed two-thirds of the total catch.This year anglers were favored by mild weather andthe summertime appearance of migratory game fishes,resulting in higher than usual effort levels andabove average catch rates for favored game species. (81pp.)
    Keywords: Management ; Fisheries ; Pacific mackerel ; Scomber japonicus ; Pacific bonito ; Sarda chiliensis ; white croaker ; Genyonemus lineatus ; rockfish ; Sebastes spp.
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  • 28
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    Southern California marine sport fishing: Private boat anglers' catch and effort in Los Angeles County, October-December, 1980 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/15 | 8 | 2011-09-29 22:41:18 | 15 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: The catch landed and effort expended by private-boatsport fishermen was studied in Los Angeles Countybetween October and December 1980, in order todetermine the impact of one segment of the sportfishery on local marine resources. Fishermenreturning from fishing trips were interviewed atlaunch ramps, hoists, and boat rental facilities.This report contains quantitative data and statisticalestimates of total effort, total catch, catch ofpreferred species, and length frequencies for thosespecies whose catches are regulated by minimum sizelimits.An estimated 94,000 organisms were landed by 22,000anglers and 1,200 divers. The major components of thecatch were Pacific mackerel, Scomber japonicus, 29,000landed; white croaker, Genyonemus lineatus, 17,500landed; and Pacific bonito, Sarda chiliensis, 11,500landed. These three species comprised two-thirds ofthe total catch.Anglers' compliance with size limit regulations wasvariable. Nearly 80% of all measured bass, Paralabraxspp., were legal size, but only 50% of the Californiahalibut, Paralichthys californicus, were legal size.Divers showed much better compliance with the sizelimit regulations: 96% of all California spinylobsters, Panulirus interruptus, were legal size. (14pp.)
    Keywords: Management ; Fisheries ; marine species ; recreational fishing ; fish size ; anglers ; divers
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  • 29
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    An evaluation of the California barracuda resource and its management (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/17 | 8 | 2011-09-29 22:41:25 | 17 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: Despite efforts to manage it, the California barracuda,Sphyraena argentea, resource has exhibited a marked declinein abundance from levels exhibited prior to 1950. This paperpresents a history of the California barracuda fisheries, asummary of its life history and population dynamics; and anevaluation of the resource under current management practices and recommendations for improvements in current management.Evaluation of the current status of the resource indicatesits abundance off southern California is low but slowlyimproving with a marked improvement in size composition.Management recommendations, when adopted, should help increase the rate of recovery of the California barracuda resource. (73pp.)
    Keywords: Management ; Fisheries ; Biology ; California barracuda ; Sphyraena argentea ; fisheries ; California
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  • 30
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    Southern California independent sport fishing survey Quarterly Report for January-March, 1976 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/19 | 8 | 2011-09-29 22:41:33 | 19 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: A 1-yr. study was undertaken to devise a sampling programwhich would determine fishing catch and effort levels ofone segment of the southern California marine sportfishery. Personal interviews of fishermen were conductedat launch ramps, boat hoists, and boat rental locationsfrom Santa Barbara County to the Mexican border. Thisreport presents quantitative data and statisticalestimates of effort, total catch, catch of preferredsport fish species, and length frequencies of selectedspecies landed by private-boat sport fishermen.An estimated 55,000 anglers and 3,300 divers landed 182,000fishes, molluscs, and crustaceans. The major componentsof the catch were 1) rockfishes, Sebastes spp., 73,000landed; 2) white croaker, Genyonemus lineatus, 28,000landed; 3) bass, Paralabrax spp., 15,000 landed; and4) Pacific bonito, Sarda chiliensis, 12,000 landed. (22pp.)
    Keywords: Management ; Fisheries
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  • 31
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    Southern California independent sport fishing survey Quarterly Report for April-June, 1976 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/18 | 8 | 2011-09-29 22:41:28 | 18 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: A 1-yr. study was undertaken to devise a sampling programwhich would determine fishing catch and effort levels ofone segment of the southern California marine sportfishery. Personal interviews of fishermen were conductedat launch ramps, boat hoists, and boat rental locationsfrom Santa Barbara County to the Mexican border. Thisreport presents quantitative data and statistical estimatesof effort, total catch, catch of preferred sport fishspecies, and length frequencies of selected specieslanded by private-boat sport fishermen.An estimated 102,000 anglers and 3,700 divers landed 275,000fishes, molluscs, and crustaceans. The major componentsof the catch were 1) white croaker, Genyonemus lineatus,85,000 landed; 2) bass, Paralabrax spp., 48,000 landed; and3) Pacific bonito, Sarda chiliensis, 42,000 landed. (22pp.)
    Keywords: Management ; Fisheries
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  • 32
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    Southern California private-boat sport fishermen: how familiar are they with the sport fishing regulations? (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/10 | 8 | 2011-09-29 22:40:55 | 10 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: Anglers frequently violate sport fishing regulations out ofignorance, by mistake, or by deliberate action. To determinewhether unfamiliarity with the regulations plays a major part in this problem, we asked anglers on privately-owned,trailerable boats at launch ramps and boat hoists a series of questions which tested their knowledge of the regulations.We found that on any winter weekend about 30% of the anglerson private-boats knew none of the size limits, 50% knew atleast three of the six size limits, and 4% knew all of thesize limits. Only about 25% of the anglers kept a copy ofthe regulations on their boats for reference when fishing.The results of the survey indicate that greater effort mustbe expended to familiarize sport fishermen with the fishingregulations. (9pp.)
    Keywords: Management ; Fisheries ; recreational fishing ; fish size ; anglers ; regulations
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  • 33
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    Southern California independent sport fishing survey Quarterly Report for July-September, 1975 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/20 | 8 | 2011-09-29 22:41:36 | 20 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: A 1-yr. study was undertaken to devise a sampling programwhich would determine fishing catch and effort levels ofone segment of the southern California marine sportfishery. Personal interviews of fishermen were conductedat launch ramps, boat hoists, and boat rental locationsfrom Santa Barbara County to the Mexican border. Thisreport presents quantitative data and statisticalestimates of effort, total catch, catch of preferredsport fish species, and length frequencies of selectedspecies landed by private-boat sport fishermen.An estimated 107,000 anglers and 5,300 divers landed 307,000fishes, molluscs, and crustaceans. The major componentsof the catch were 1) white croaker, Genyonemus lineatus,87,000 landed; 2) bass, Paralabrax spp., 30,000 landed; and3) Pacific mackerel, Scomber japonicus, 21,000 landed. (24pp.)
    Keywords: Management ; Fisheries
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  • 34
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    Southern California independent sport fishing survey Quarterly Report no. 10 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/45 | 8 | 2021-02-27 19:34:29 | 45 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: During the October 1 - December 31, 1977 quarter, 28launch ramps, hoists, and boat rental locations weresampled a total of 294 times. During the sample days11,942 anglers and 1,025 divers were interviewed.They expended 83,882 effort-hours and landed 36,741fishes and other organisms of 163 identified species.The ten most commonly landed species were 1) Pacificmackerel, Scomber japonicus, 16%; 2) white croaker,Genyonemus lineatus, 16%; 3) olive rockfish, Sebastesserranoides, 6%; 4) blue rockfish, S. mystinus, 4%;5) halfmoon, Medialuna californiensis, 4%; 6) Pacificbonito, Sarda chiliensis, 3%; 7) rock scallop,Hinnites multirugosus, 2%; 8) chilipepper, Sebastesgoodei, 2%; 9) greenspotted rockfish, S. chlorostictus,2%; and 10) kelp bass, Paralabrax clathratus, 2%. (25pp.)
    Keywords: Management ; Fisheries ; Biology
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  • 35
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    Southern California commercial passenger fishing vessel sampling study Quarterly Report no. 14; October 1 - December 31, 1978 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/47 | 8 | 2011-09-29 22:38:45 | 47 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: Between October 1 and December 31, 1978, Departmental personnel sampled catches during 132 trips aboard commercial passenger fishing vessels (partyboats) operating in southern California. A total of 25,571 fishes belonging to 87 species were identified and measured.In addition, six long-range trips originating in San Diego and fishing in Mexican waters were sampled. A total of 1,225 fishes comprising 20 species was identified and measured at dockside from these vessels.The 10 most commonly taken species during the quarter accounted for 76.3% of the southern California catch. The most frequently sampled species were bocaccio, Sebastes paucispinis (24.7%); Pacific mackerel, Scomber japonicus (15.8%); chilipepper, Sebastes goodei (8.7%); kelp bass, Paralabrax clathratus (7.4%); Pacific bonito, Sarda chiliensis (5.7%); olive rockfish, Sebastes serranoides (4.1%); blue rockfish, S. mystinus (4.0%); squarespot rockfish, S. hopkinsi (2.1%); greenspotted rockfish, S. chlorostictus (2.l%); and vermilion rockfish, S. miniatus (1.9%). Samples gathered from long-range trips showed thetop five species accounted for 90.4% of the fishes sampled. The most frequently sampled species were yellowtail, Seriola lalandi (28.8%); yellowfin tuna, Thunnus albacares (20.7%); wahoo, Acanthocybiumsolanderi (16.2%); snowy grouper, Epinephelus niveatus (12.4%); and dolphinfish, Coryphaena hippurus (12.3%).December marked the final month in which partyboats were sampled off southern California. (69pp.)
    Keywords: Management ; Fisheries
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  • 36
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    Southern California independent sport fishing survey annual report no. 2 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/48 | 8 | 2011-09-29 22:38:50 | 48 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: For the second consecutive year, a program of randomfield sampling of anglers and divers fishing fromprivately owned boats was conducted at southernCalifornia launch ramps, hoists, and boat rentalfacilities. This study presents quantitative dataand statistical estimates of effort, total catch,catch of preferred sport fish species, and lengthfrequencies of particular species landed by privateboat sport fishermen. An assessment of sportfishermen's compliance with current fishingregulations is also included.Catch composition and effort levels variedconsiderably among the five counties sampled,reflecting differences in water temperature,offshore habitat, and preferences for particularspecies by local fishermen. A comparison of thisyear's results with those of last year showed thatalthough catch rates for some species were similarboth years, others diverged considerably. (84pp.)
    Keywords: Management ; Fisheries
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  • 37
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    Southern California independent sport fishing survey annual report no. 3 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/54 | 8 | 2011-09-29 22:39:23 | 54 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: For the third consecutive year a program of random fieldsampling of anglers and divers fishing from privatelyowned boats was conducted at southern California launchramps, hoists, and boat rental facilities. This studypresents quantitative data and statistical estimates ofeffort, total catch, catch of preferred sport fishspecies, and length frequencies of particular specieslanded by private boat sport fishermen. An assessment ofsport fishermen's compliance with current fishingregulations is included along with an estimate of thenumber of anglers who returned empty-handed.Catch composition and effort levels varied considerablyamong the five counties sampled, reflecting differencesin water temperature, offshore habitat, and preferencesfor particular species by local fishermen. A comparisonof this year's results with those of last year showedthat angler effort dropped 16% and angler catch dropped15%, while diver effort and catch dropped 18% and 9%respectively. This reduction is attributed to the recordamounts of rainfall in southern California which severelycurtailed fishing activity during four months of the year. (105pp.)
    Keywords: Management ; Fisheries
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  • 38
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    Southern California independent sport fishing survey Quarterly Report for October-December, 1975 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/52 | 8 | 2011-09-29 22:39:18 | 52 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: A 1-yr study was undertaken to devise a sampling programwhich would determine fishing catch and effort levels ofone segment of the southern California marine sportfishery. Personal interviews of fishermen were conductedat launch ramps, boat hoists, and boat rental locationsfrom Santa Barbara County to the Mexican border. Thisreport presents quantitative data and statisticalestimates of effort, total catch, catch of preferredsport fish species, and length frequencies of selectedspecies landed by private-boat sport fishermen.An estimated 52,000 anglers and 4,300 divers landed179,000 fishes, molluscs, and crustaceans. The majorcomponents of the catch were 1) rockfishes, Sebastes spp.,68,000 landed; 2) white croaker, Genyonemus lineatus,38,000 landed; and 3) bass, Paralabrax spp., 13,000landed. (21pp.)
    Keywords: Management ; Fisheries
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  • 39
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    Southern California independent sport fishing survey Quarterly Report no. 12 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/55 | 8 | 2011-09-29 22:39:37 | 55 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: During the April 1 - June 30, 1978 quarter, 29 launchramps, hoists, and boat rental locations weresampled a total of 307 times. During the sample days15,220 anglers and 685 divers were interviewed. Theyexpended 107,738 effort-hours and landed 38,132 fishesand other organisms of 146 identified species.The ten most commonly landed species were 1) whitecroaker, Genyonemus lineatus, 30%; 2) Pacific mackerel,Scomber japonicus, 11%; 3) kelp bass, Paralabraxclathratus, 9%; 4) barred sand bass, P. nebulifer, 4%;5) blue rockfish, Sebastes mystinus, 2%; 6) bocaccio,S. paucispinis, 2%; 7) olive rockfish, S. serranoides,2%; 8) brown rockfish, S. auriculatus, 2%; 9) Pacificsanddab, Citharichthys sordidus, 2%; and 10) blacksurfperch, Embiotoca jacksoni, 2%. (26pp.)
    Keywords: Management ; Fisheries
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  • 40
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    Southern California partyboat sampling study Quarterly Report no. 11 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/56 | 8 | 2011-09-29 22:39:39 | 56 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: From January 1 through March 31, 1978, Departmentalpersonnel sampled catches from 141 trips while aboard commercial passenger fishing vessels operating in southern California. A total of 25,339 fishes belonging to 88 species were identified and measured. Otoliths for age determination studies were removed from 247 rockfish carcasses representing 22 species. Additionally, nine long-range trips originating in San Diego and fishing in Mexican waters were sampled. A total of 1,518 fishes representing 24 species was identified and measured at dockside from these vessels. The 10 most commonly taken species during the quarteraccounted for 68.1% of the southern California catch.The most frequently sampled species of bocaccio, Sebastespaucispinis (21.1%); chilipepper, S. goodei (16.5%); Pacific mackerel, Scomber japonicus (8.7%); blue rockfish, Sebastes mystinus (6.0%); kelp bass, Paralabrax clathratus ( 5.2%); vermilion rockfish, S. miniatus (3.7%); squarespot rockfish, S. hopkinsi (3.2%); greenspotted rockfish, S. chlorostictus (2.9%); olive rockfish, S. serranoides (2.8%); and whitecroaker, Genyonemus lineatus (2.6%). Samples gathered fromlong-range trips showed the top five species accounted for83.8% of the fish sampled. The most frequently sampled species were wahoo, Acanthocybium solanderi (28.6%);yellowfin tuna, Thunnus albacares (23.7%); yellowtail, Seriola dorsalis (18.6%); leopard grouper, Mycteroperca rosacea (6.2%); and gulf grouper, M. jordani (3.8%). (55pp.)
    Keywords: Management ; Fisheries
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  • 41
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    Southern California marine sport fishing: private-boat catch and effort, 1975-1976 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/53 | 8 | 2011-09-29 22:39:20 | 53 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: The catch landed and effort expended by private-boatsport fishermen were studied from July, 1975 throughJune, 1976, in order to determine the magnitude andimpact of one segment of the marine sport fishery insouthern California. Fishermen returning from afishing trip were interviewed at launch ramps, boathoists, and boat rental locations from Pt. Conceptionto the Mexican border. This report presentsquantitative data and statistical estimates of totaleffort, total catch, catch of preferred sport fishspecies, and length-frequencies of size-regulatedspecies.An estimated 944,000 organisms were landed by 315,000anglers and 16,500 divers. A large variety of specieswas landed, but six species contributed over one-halfof the catch. Divers landed very few sublegalorganisms, but anglers took large numbers of sublegalsize fish. Continuance of this study will be necessaryto show changes in fish availability, fishing pressure,and compliance with fishing regulations. (64pp.)
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  • 42
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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
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  • 43
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    Southern California partyboat sampling study Quarterly Report no. 9 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/66 | 8 | 2011-09-29 13:04:02 | 66 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: Between July 1 and September 30, 1977, Departmentalpersonnel sampled catches during 184 trips aboard commercial passenger fishing vessels operating in southernCalifornia. A total of 28,617 fishes belonging to 89species was identified and measured. Otoliths for agedetermination studies were removed from 222 rockfishcarcasses representing 20 species.The 10 most commonly sampled species during thequarter accounted for 82.9% of the catch. The most frequently sampled fishes were kelp bass, Paralabraxclathratus (18.9%); Pacific mackerel, Scomber japonicus(17.6%); olive rockfish, Sebastes serranoides (15.5%);blue rockfish, S. mystinus (8.7%); barred sand bass, P.nebulifer (8.6%); California barracuda, Sphyraenaargentea (4.9%); sculpin, Scorpaena guttata (2.4%);bocaccio, S. paucispinis (2.3%); white croaker, Genyonemuslineatus (2.1%); and squarespot rockfish, S. hopkinsi (1.8%).Partyboat activity continued to center on surfacefishing. (33pp.)
    Keywords: Management ; Fisheries ; Biology
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    Southern California independent sport fishing survey Quarterly Report no. 9 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/67 | 8 | 2011-09-29 13:04:07 | 67 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: During the July 1 - September 30, 1977 quarter, 29launch ramps, hoists, and boat rental locationswere sampled 380 times. During the sample days25,256 anglers and 1,445 divers were interviewed.They expended 179,564 effort-hours and landed64,371 fishes, molluscs, crustaceans, echinoderms,and coelenterates of 179 identified species.The ten most commonly landed species were 1)white croaker, Genyonemus lineatus, 25%; 2)Pacific mackerel, Scomber japonicus, 8%; 3)olive rockfish, Sebastes serranoides, 7%; 4)kelp bass, Paralabrax clathratus, 6%; 5) blue rockfish, Sebastes mystinus, 3%; 6)barred sand bass, Paralabrax nebulifer, 3%; 7)brown rockfish, Sebastes auriculatus, 2%; 8)spotted sand bass, Paralabrax maculatofasciatus, 2%;9)grass rockfish, Sebastes rastrelliger, 2%; and10)queenfish, Seriphus politus, 2%. (28pp.)
    Keywords: Management ; Fisheries
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  • 45
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    Preliminary report on the ability of marine recreational fishermen to identify the more commonly caught sportfish (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/70 | 8 | 2011-09-29 22:37:38 | 70 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: Fishermen on piers and privately-owned boats in southernCalifornia were surveyed to determine their ability toidentify (by common name) 18 of the more commonly caughtsportfish. Anglers were shown color photographs of the fishand asked to identify them. Most people were not able toidentify more than 5 or 6 species correctly. The numberof incorrect responses (calling one species by another'sname, or using a non-recommended common name) was nothigh. Instead, it was the level of non-response (thefisherman had no idea what the species was) that wassurprisingly high.The results of the survey indicate that anglers are notfamiliar with the names of the fish they are most likelyto catch. This has serious implications concerning ourfishery management programs which depend on anglers'compliance with fishing regulations. The effectivenessof the programs depends in part on anglers being ableto recognize regulated species when encountered. (30pp.)
    Keywords: Management ; Fisheries
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  • 46
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    Southern California commercial passenger fishing vessel sampling study Quarterly Report no. 13: July 1 - September 30, 1978 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/69 | 8 | 2011-09-29 22:38:34 | 69 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: Between July 1 and September 30, 1978, Departmental personnel sampled catches during 185 trips aboard commercial passenger fishing vessels (partyboats) operating in southern California. A total of 35,984 fishes representing 98 species were identified and measured.Otoliths for age determination studies were removed from 285 rockfish carcasses representing 18 species. In addition, 10 long-range trips originating in San Diego and fishing in Mexican waters were sampled. A total of 957 fishes comprising 17 species were identified and measured at dockside from these vessels.The ten most commonly seen species during the quarter accounted for 83.5% of the southern California catch. The most frequently sampled species were Pacific mackerel, Scomber japonicus (26.5%); kelp bass, Paralabrax clathratus (20.5%); bocaccio, Sebastes paucispinis (8.2%); Pacific bonito, Sarda chiliensis (7.7%); barred sandbass, P. nebulifer (6.7%); olive rockfish, Sebastes serranoides (4.9%); white croaker, Genyonemus lineatus (2.9%); blue rockfish, S. mystinus (2.7%) ; chilipepper, S. goodei (1.8%); and albacore, Thunnus alalunga (1.7%). Data gathered from long-range vessels showed the top five species accounted for 92.6% of the fish sampled.The most frequently sampled species were yellowtail, Seriola dorsalis (61.5%); wahoo, Acanthocybium solanderi (11.7%); albacore (8.3%); yellowfin tuna, T. albacares (6.8%); and giant sea bass, Stereolepis gigas (4.4%). (59pp.)
    Keywords: Management ; Fisheries
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  • 47
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    Southern California partyboat sampling study Quarterly Report no. 10 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/73 | 8 | 2011-09-29 22:37:44 | 73 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: Between October 1 and December 31, 1977, Departmentalpersonnel sampled catches during 166 trips aboard commercialpassenger fishing vessels operating in southern California.A total of 27,468 fishes belonging to 101 species wereidentified and measured. Otoliths for age determinationstudies were removed from 263 rockfish carcasses representing 27 species. In addition, 37 long-range trips originating in San Diego and fishing in Mexican waters were sampled. A total of 7,204 fishes comprising 20 species was identified and measured at dockside from these vessels.The 10 most commonly taken species during the quarteraccounted for 74.3% of the southern California catch. Themost frequently sampled species were chilipepper, Sebastesgoodei (16.1%); Pacific mackerel, Scomber japonicus (15.4%) ; bocaccio, Sebastes paucispinis (10.1%); kelp bass, Paralabrax clathratus (7.8%); halfmoon, Medialuna californiensis (5.7%); olive rockfish, Sebastes serranoides (5.4%); blue rockfish, S. mystinus (4.4%); greenspotted rockfish, S. chlorostictus (3.4%); vermilion rockfish, S. miniatus (3.2%); and Pacific bonito, Sarda chiliensis (2.7%). Data gathered from long-range trips showed the top five species accounted for 88.8% of the fish sampled. The most frequently sampled species were yellowtail, Seriola dorsalis (31.0%); yellowfin tuna, Thunnus albacares (23.7%); dolphinfish, Coryphaena hippurus (18.6%); wahoo, Acanthocybium solanderi (10.0%); and snowy grouper, Epinephelus niveatus (5.6%). (67pp.)
    Keywords: Management ; Fisheries
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  • 48
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    Evaluation of regulations concerning the fishery for California halibut, Paralichthys californicus (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/78 | 8 | 2011-09-29 22:38:14 | 78 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: Evaluation of the capture of California halibut in relation to Article 13 (Sections 8495, 8496,8497 and 8498) of the Fish and Game Code, shows that the regulation is doing its job. Nearly all undersized (less than 22 inches) juvenile halibut are escaping through the 7 1/2 inch mesh trawl cod end and retention of other fishesseldom approach the 226.8 kg (500 lb) limitimposed by regulation. (5pp.)
    Keywords: Management ; Fisheries ; California halibut ; Paralichthys californicus ; fisheries
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  • 49
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    Southern California partyboat sampling study Quarterly Report no. 12: April 1 - June 30, 1978 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/72 | 8 | 2011-09-29 22:37:42 | 72 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: Between April 1 and June 30, 1978, Departmental personnelsampled catches during 148 trips aboard commercial passengerfishing vessels operating in southern California. A total of29,374 fishes representing 97 species were identified andmeasured. Otoliths for age determination studies were removed from 72 rockfish carcasses representing 11 species. In addition, nine long-range trips originating in San Diego and fishing in Mexican waters were sampled. A total of 1,190 fishes comprising 21 species was identified and measured at dockside from these vessels.The 10 most commonly taken species during the quarteraccounted for 76.9% of the southern California catch. The most frequently sampled species were kelp bass, Paralabrax clathratus (21.1%); bocaccio, Sebastes paucispinis (15.5%); Pacific mackerel, Scomber japonicus (13.1%); white croaker, Genyonemus lineatus (6.0%); chilipepper, Sebastes goodei (4.8%); California barracuda, Sphyraena argentea (4.5%); kelp rockfish, Sebastes atrovirens (3.6%); barred sand bass, P. nebulifer (3.2%); halfmoon, Medialuna californiensis (2.6%); and blue rockfish, S. mystinus (2.6%).Data gathered from long-range vessels fishing off Baja California showed the top five species accounted for 94.0% of the fish sampled. The most frequently sampled species were yellowfin tuna, Thunnus albacares (34.4%); yellowtail, Seriola dorsalis (28.7%); wahoo, Acanthocybium solanderi (22.9%); snowy grouper, Epinephelus niveatus (5.9%); and leather bass, E. dermatolepis (2.0%). (69pp.)
    Keywords: Management ; Fisheries
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  • 50
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    Southern California independent sport fishing survey Quarterly Report no. 8 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/81 | 8 | 2011-09-29 22:38:19 | 81 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: During the April 1 - June 30, 1977 quarter, 28 launchramps, hoists, and boat rental locations were sampled300 times. During the sample days 17,354 anglers and853 divers were interviewed. They expended 120,065effort hours and landed 39,369 fishes of 152 identifiedspecies.The ten most commonly landed species were: 1) whitecroaker, Genyonemus lineatus, 25%; 2) Pacific bonito,Sarda chiliensis, 8%; 3) kelp bass, Paralabraxclathratus, 6%; 4) Pacific mackerel, Scomber japonicus,6%; 5) barred sand bass, Paralabrax nebulifer, 4%;6) olive rockfish, Sebastes serranoides, 3%; 7) copperrockfish, S. caurinus, 3%; 8 ) bocaccio, S. paucispinis,3%; 9). vermilion rockfish, S. miniatus, 2%; and 10)greenspotted rockfish, S. chlorostictus, 2%. (22pp.)
    Keywords: Management ; Fisheries
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  • 51
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    Southern California partyboat sampling study Quarterly Report no. 8 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/82 | 8 | 2011-09-29 22:37:24 | 82 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: Between April 1 and June 30, 1977, 125 trips weresampled aboard southern California partyboats by Departmentpersonnel. A total of 14,842 fishes belonging to 72 species was identified and measured. Otoliths wereremoved from 134 rockfish carcasses representing 20species for age deterination studies.The 10 most common species sampled during the quarteraccounted for 76.9% of the catch. Individually, the mostcommon were Pacific mackerel, Scomber japonicus (16.9%);kelp bass, Paralabrax clathratus (14.5%); bocaccio, Sebastes paucispinis (11.4%); Pacific bonito, Sarda chiliensis (10.3%); barred sand bass, Paralabrax nebulifer (5.6%); olive rockfish, Sebastes serranoides (5.3%); chilipepper, S. goodei (4.0%); California barracuda, Sphyraena argentea (2.9%); and ocean whitefish, Caulolatilus princeps (2.8%).Fishing effort switched from "rockcod" to surfaceactivity as it did during the second quarter of 1976 (26pp.)
    Keywords: Management ; Fisheries
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  • 52
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    Southern California partyboat sampling study Quarterly Report no. 7 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/83 | 8 | 2011-09-29 22:37:05 | 83 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: From January 1 through March 31, 1977, Departmentpersonnel made 100 sampling trips aboard southern California partyboats. A total of 16,400 fishes from 68 species was identified and measured.Otoliths, for age determination studies, were removedfrom 301 rockfish carcasses representing 23 species.The 10 most common species sampled during this quarterwere bocaccio, Sebastes paucispinis (38.5%); chilipepper,S. goodei (9.8%); widow rockfish, S. entomelas (7.7%);blue rockfish, S. mystinus (6.2%); olive rockfish, S. serranoides (4.2%); Pacific mackerel, Scomber japonicus (2.8%); vermilion rockfish, Sebastes miniatus (2.7%); speckled rockfish, S. ovalis (2.7%); greenspotted rockfish, S. chlorostictus (2.5%); and squarespot rockfish, S. hopkinsi (2.4%). Fishing effort during this quarter was directed almostexclusively toward "rockcod", as it was for the sameperiod in 1976. (23pp.)
    Keywords: Management ; Fisheries ; sport fishing ; California
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  • 53
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    Southern California partyboat sampling study Quarterly Report no. 3 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/85 | 8 | 2011-09-29 22:37:21 | 85 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: During the period January 1 to March 31, 1976, Departmentpersonnel made 139 sampling trips aboard southern California partyboats. A total of 22,122 fishes from 73 species was identified and measured.Otoliths were removed from 1,536 rockfish carcasses representing 31 species for use in age determination.Sampling personnel tagged and released 68 Californiabarracuda, Sphyraena argentea, and 18 sablefish, Anoplopomafimbria.The five most common species sampled during this periodrepresented approximately 79% of the total number of fishesmeasured. These were, in order of importance; bocaccio,Sebastes paucispinis; chilipepper, Sebastes goodei; oliverockfish, Sebastes serranoides; greenspotted rockfish,Sebastes chlorostictus; and vermilion rockfish, Sebastesminiatus. Bocaccio alone accounted for 52% of the sampledcatch. (15pp.)
    Keywords: Management ; Fisheries
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  • 54
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    Southern California partyboat sampling study Quarterly Report no. 2 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/86 | 8 | 2011-09-29 22:36:47 | 86 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: During the period October 1 - December 31, 1975,Department personnel made 176 sampling trips aboardsouthern California partyboats. A total of 25,721 fishfrom 77 species was identified and measured.Otoliths were removed from 1,767 rockfish carcassesrepresenting 30 species for use in age determination.Sampling personnel tagged and released 192 Californiabarracuda, Sphyraena argentea; 2 white seabass, Cynoscionnobilis; and 29 sablefish, Anoplopoma fimbria.The 10 most common species sampled during this periodrepresented 84% of the total number of fish measured.These were, in order of importance; bocaccio, Sebastespaucispinis; Pacific bonito, Sarda chiliensis; chilipepper,Sebastes goodei; olive rockfish, Sebastes serranoides;vermilion rockfish, Sebastes miniatus, white croaker,Genyonemus lineatus; blue rockfish, Sebastes mystinus;greenspotted rockfish, Sebastes chlorostictus; sculpin,Scorpaena guttata; and Pacific mackerel, Scomber japonicus.Bocaccio alone accounted for 44% of the sampled catch. (20pp.)
    Keywords: Management ; Fisheries
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  • 55
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    Southern California partyboat sampling study Quarterly Report no. 1 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/88 | 8 | 2011-09-29 22:37:03 | 88 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: Estimates of the total yearly catch from the partyboat fishery have been collected and published on a routine basis since 1935. Important data relating to the size and age composition of this segment of the marine sportfishery have been lacking. As a consequence, a southern California partyboat sampling study was initiated on April 1, 1975. The main objective of this sampling is to identify and measure all fishes taken by sportsmen on partyboatswith primary emphasis given to California barracuda, Sphyraena argentea; yellowtail, Seriola dorsalis; white seabass, Cynoscion nobilis; and rockfishes, Sebastes spp. (22pp.)
    Keywords: Management ; Fisheries
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  • 56
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    Results of a private boat angling survey for estimating catch and effort, conducted at Oceanside, California during May and June 1974 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/93 | 8 | 2011-09-29 22:36:45 | 93 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: Two survey methods (postcard and interview) for generating marine fish catch and effort estimates for privateboats were field tested at Oceanside, California duringMay and June of 1974. Sampling days were pre-assigned toweekday and weekend strata. The postcard survey was shownto produce biased estimates. Causes of the various biasesare discussed. The interview survey provided backgrounddata to test for biases in the postcard survey andbetween marina an launch ramp interview areas. (31pp.)
    Keywords: Management ; Fisheries ; Oceanside ; California ; sport fishing
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  • 57
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    Status of major southern California marine sport fish species with management recommendations, based on analyses of catch and size composition data collected on board commercial passenger fishing vessels from 1985 through 1987 (2021)
    California Department of Fish and Game, Marine Resources Division | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/113 | 8 | 2011-09-29 22:35:16 | 113 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-26
    Description: This report on the status of major southern California marine sport fish species, together with management recommendations, is based on analyses of catch and size composition data, which were collected on board Commercial Passenger Fishing Vessels (CPFV) from 1985 through1987. The project was designed to determine the status of those fishes that support the CPFV industry, and to make management recommendations when deemed necessary.We collected and analyzed data based on random, stratified, on-board sampling of weekday (excluding holidays), open CPFV's on a year-round basis. We sampled 1/2-day, 3/4-day, and full-day type trips at a level of 5%. The survey area extended from below the United States-Mexicanborder to Point Arguello. Catch estimates were extrapolated to include weekday as well as weekend and holiday, open and chartered CPFV's.We sampled 736 CPFV trips in 1985, 650 in 1986, and 631 in 1987. We encountered 180 species of fishes, including 49 species of rockfishes. We performed detailed analyses on 14 non-rockfish species and 12 rockfish species, as well as all fishes as a group and all rockfishes as a group.We found a moderate increase in total catch of combined fish species between this study and one in the mid-1970's, due primarily to sizeable increases in catches of Pacific mackerel, kelp bass, barred sand bass,and barracuda. However, we also found that there has been more than a 50% decline in the CPFV rockfish catches, due primarily to substantial decreases in catches of bocaccio, chilipepper, and olive rockfish. We have recommended that the current 15-rockfish bag limit regulation be reduced to a 10-rockfish bag limit, and that additional and equitable conservation measures also be implemented on the commercial rockfish fishery. (385pp.)
    Keywords: Management ; Fisheries ; sport fisheries ; California
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  • 58
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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
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  • 59
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    Southern California partyboat sampling study Quarterly Report no. 6 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/136 | 8 | 2011-09-29 22:32:00 | 136 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-26
    Description: From October through December 1976, Department personnelmade 160 sampling trips aboard southern California partyboats. A total of 25,574 fishes from 80 species was identified and measured. Also, otoliths were removed from 722 rockfish carcasses representing 28 species for use in age determination studies.The 10 most common species sampled were bocaccio, Sebastespaucispinis (33.3%); chilipepper, S. goodei (16.0%); oliverockfish, S. serranoides (6.1%); kelp bass, Paralabrax clathratus (4.6%); blue rockfish, S. mystinus (4.5%); Pacific mackerel, Scomber japonicus (4.4%); widow rockfish, S. entomelas (2.4%); vermilion rockfish, S. miniatus (2.0%); ocean whitefish, Caulolatilus princeps (1.9%); and greenstriped rockfish, S. elongatus (1.9%).The sampled quarter represented a transitional period inthe partyboat fishery during which effort shifted from "surface" fishing to deep water "rockcod" fishing. (23pp.)
    Keywords: Management ; Fisheries
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  • 60
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    Southern California independent sportfishing survey Quarterly Report no. 6 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/137 | 8 | 2011-09-29 22:32:01 | 137 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-26
    Description: During the October 1 - December 31, 1976 quarter,28 launch ramps, hoists, and boat rental locations were sampled a total of 182 times. During the sample days 8,299 anglers and 1,172 divers were interviewed. They expended 62,073 effort hours and landed 26,788 fishes of 149species.The ten most commonly landed species were: 1)white croaker, Genyonemus lineatus, 14%; 2) oliverockfish, Sebastes serranoides, 6%; 3) Pacificmackerel, Scomber japonicus, 5%; 4) rock scallop,Hinnites multirugosus, 4%; 5) bocaccio, Sebastespaucispinis, 4%; 6) copper rockfish, S. caurinus,4%; 7) red abalone, Haliotis rufescens, 3%;8)kelp bass, Paralabrax clathratus, 3%; 9) barred sand bass, P. nebulifer, 3%; and 10)ocean whitefish, Caulolatilus princeps, 3%. (22pp.)
    Keywords: Management ; Fisheries ; sportfishing ; California
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  • 61
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    Southern California independent sport fishing survey Quarterly Report No. 7 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/145 | 8 | 2011-09-29 22:31:16 | 145 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-26
    Description: During the January 1 - March 31, 1977 quarter,28 launch ramps, hoists and boat rental locations were sampled 166 times. During the sample days 9,209 anglers and 496 divers were interviewed. They expended 61,347 effort hours and landed 22,454 fishes of 133 identified species.The ten most commonly landed species were: 1) white croaker, Genyonemus lineatus, 16%; 2) Pacific bonito, Sarda chiliensis, 7%; 3) blue rockfish, Sebastes mystinus, 5%; 4) olive rockfish, S. serranoides, 5%; 5) ocean whitefish, Caulolatilus princeps, 5%; 6) barred sand bass, Paralabrax nebulifer, 5%; 7) Pacific mackerel, Scomberjaponicus, 3%; 8) bocaccio, Sebastes paucispinis, 3%; 9) kelp bass, Paralabrax clathratus, 3%; and10) copper rockfish, Sebastes caurinus, 3%. (23pp.)
    Keywords: Management ; Fisheries
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    Southern California partyboat sampling study Quarterly Report No. 5 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/157 | 8 | 2011-09-29 22:30:35 | 157 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-26
    Description: From l July through 30 September, 1976, Department personnelmade 138 sampling trips aboard southern Californiapartyboats. A total of 15,827 fishes from 75 species wasidentified and measured.Otoliths were removed from 290 rockfish carcasses representing 23 species for use in age determination studies.The 10 most common species sampled during this quarterwere kelp bass, Paralabrax clathratus (22.9%); barred sandbass, P. nebulifer (13.7%); olive rockfish, Sebastes serranoides (12.0%); bocaccio, S. paucispinis (1l.6%); Pacific bonito, Sarda chiliensis (6.6%); California barracuda, Sphyraena argentea (5.9%); white croaker, Genyonemus lineatus (4.5%); blue rockfish, S. mystinus (2.9%); brown rockfish, S. auriculatus (2.8%); and ocean whitefish, Caulolatilus princeps (2.8%).Preliminary results from California partyboat logs indicate landings of Pacific bonito, California barracuda, kelp bass, and barred sand bass were significantly larger than those of 1975, while the low catch rates of yellowtail and white seabass remained approximately equal to those of the previous season. (27pp.)
    Keywords: Management ; Fisheries
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  • 63
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    Southern California independent sportfishing survey Quarterly Report No. 5 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/151 | 8 | 2011-09-29 22:30:39 | 151 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-26
    Description: During the July 1 - September 30, 1976 quarter, 28launch ramps, hoists, and boat rental locations weresampled a total of 324 times. During the sample days26,136 anglers and 1,353 divers were interviewed. Theyexpended 188,251 effort hours and landed 63,942 fishesof 162 species.The ten most commonly landed species were: 1) whitecroaker, Genyonemus lineatus, 27%; 2) Pacific bonito,Sarda chiliensis, 7%; 3) kelp bass, Paralabrax clathratus,7%; 4) olive rockfish, Sebastes serranoides, 4%;5) bocaccio, S. paucispinis, 4%; 6) barred sand bass,Paralabrax nebulifer, 4%; 7) California barracuda,Sphyraena argentea, 3%; 8) copper rockfish, Sebastescaurinus, 2%; 9) kelp rockfish, S. atrovirens, 2%;10) vermilion rockfish, S. miniatus, 2%. (22pp.)
    Keywords: Management ; Fisheries ; sportfishing ; California
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  • 64
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    Southern California partyboat sampling study Quarterly Report No. 4 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/150 | 8 | 2011-09-29 22:30:37 | 150 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-26
    Description: From 1 April through 30 June, 1976, Departmentpersonnel made 146 trips aboard southern Californiapartyboats. A total of 18,218 fishes from 76 specieswas identified and measured.Otoliths were removed from 674 rockfish carcassesfor use in age determination studies.The 10 most common species sampled during thisquarter represented 85.2% of the total number of fishesmeasured. These were, in order of importance: bocaccio,Sebastes paucispinis; kelp bass, Paralabrax clathratus;Pacific bonito, Sarda chiliensis; barred sand bass,Paralabrax nebulifer; chilipepper, Sebastes goodei;California barracuda, Sphyraena argentea; olive rockfish;Sebastes serranoides; white croaker, Genyonemus lineatus;ocean whitefish, Caulolatilus princeps; and vermilionrockfish, Sebastes miniatus. Pacific bonito and California barracuda partyboatlandings exceeded those of the entire 1975 season, andsampling data indicate the average length of barracudacaught from partyboats was significantly larger thanthat of the previous season. (15pp.)
    Keywords: Management ; Fisheries
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  • 65
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    California commercial lobster fishery 1973-1974 season (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/219 | 8 | 2011-09-29 22:27:05 | 219 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-27
    Description: (17pp.)
    Keywords: Management ; Fisheries ; Lobster ; commercial fisheries
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  • 66
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    Status of Pacific Mackerel spawning population, 1974 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/217 | 8 | 2011-09-29 22:26:39 | 217 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-27
    Description: This is the second annual report on the status of the spawning population of the Pacific mackerel as required by Section 8388.3 of the Fish and Game Code.During 1973 and early 1974, several methods of determining population size were used to estimate the spawning population size of Pacific mackerel stocks north of Point Eugenia, Baja California. The estimated Pacific mackerel spawning population obtained by tagging procedures was 2,025 tons. Two alternate spawning biomass estimates also were obtained using partyboat catches fitted to regressionlines. The estimates derived by these alternate methodsare 4,675 tons, and 8,380 tons.All 1974 estimates are below the 10,000 ton spawning population minimum set in Section 8388.3 of the Fish and Game Code and thus no harvest under Section 8388.5 of the Fish and Game Code could be allowed. (10pp.)
    Keywords: Management ; Fisheries ; Biology ; Scomber japonicus ; Pacific mackerel
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  • 67
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    Southern California marine sport fishing from privately-owned boats; Catch and effort for January-March 1981 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/459 | 8 | 2011-09-29 22:01:33 | 459 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-29
    Description: The catch landed and effort expended by private-boatsport fishermen were studied in southern Californiabetween January and March 1981, in order to determinethe impact of one segment of the sport fishery on localmarine resources. Fishermen returning from fishing tripswere interviewed at launch ramps, hoists, and boat rentalfacilities. This report contains quantitative data andstatistical estimates of total effort, total catch, catchof preferred species, and length frequencies for thosespecies whose catches are regulated by minimum size limits.An estimated 139,000 organisms were landed by 45,000anglers and 1,900 divers. The major components of thecatch were Pacific mackerel, Scomber japonicus, 29,000landed; white croaker, Genyonemus lineatus, 27,000 landed;and Pacific bonito, Sarda chiliensis, 13,000 landed. These three species comprised one-half of the total catch.Anglers' compliance with size limit regulations was variable. Approximately 87% of all measured bass,Paralabrax spp., were legal size, but only 60% of theCalifornia halibut, Paralichthys californicus, were legalsize. Divers showed much better compliance with the sizelimit regulations: 96% of all red abalone, Haliotisrufescens, were legal size. (Document has 24 pages)
    Description: 24pp.
    Keywords: Management ; Fisheries ; Pacific mackerel ; Scomber japonicus ; white croaker ; Genyonemus lineatus ; Pacific bonito ; Sarda chiliensis ; California halibut ; Paralichthys californicus ; red abalone ; Haliotis rufescens
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  • 68
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    Southern California marine sport fishing from privately-owned boats: Catch and effort for April-June 1981 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/460 | 8 | 2011-09-29 22:01:31 | 460 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-29
    Description: The catch landed and effort expended by private-boatsport fishermen were studied in southern Californiabetween April and June 1981, in order to determine theimpact of one segment of the sport fishery on local marineresources. Fishermen returning from fishing trips wereinterviewed at launch ramps, hoists, and boat-rentalfacilities. This report contains quantitative data andstatistical estimates of total effort, total catch, catchof preferred species, and length frequencies for thosespecies whose catches are regulated by minimum size limits.An estimated 310,000 organisms were landed by 106,000anglers and 4,000 divers (more than twice the catch andeffort estimated for the previous 3-month period). Themajor components of the catch were Pacific mackerel, Scomberjaponicus, 63,000 landed; bass, Paralabrax spp., 61,000landed; white croaker, Genyonemus lineatus, 52,000 landed,and Pacific bonito, Sarda chiliensis, 35,000 landed. Thesespecies contributed 70% of the total catch.Anglers' compliance with size limit regulations was variable. Approximately 89% of all measured bass were legal size. The proportion of legal size California halibut, Paralichthys californicus, rose from 60% last quarter to 79% this quarter. However, the percent of legal size California barracuda, Sphyraena argentea, was very low, 58%. Divers' compliance with minimum size limits dropped slightly: abalone, Haliotis spp., averaged 89% legal. (Document has 31 pages)
    Description: 31pp.
    Keywords: Management ; Fisheries ; Pacific mackerel ; Scomber japonicus ; bass ; Paralabrax spp. ; white croaker ; Genyonemus lineatus ; Pacific bonito ; Sarda chiliensis ; California halibut ; Paralichthys californicus ; California barracuda ; Sphyraena argentea ; abalone ; Haliotis spp.
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  • 69
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    Report of Pendleton artificial reef studies with recommendations for constructing a kelp reef (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/1421 | 8 | 2011-09-29 20:35:45 | 1421 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-08
    Description: (Document pdf contains 64 pages)
    Description: Southern California Edison Company
    Description: Nearshore Sport Fish Habitat Enhancement Program
    Keywords: Ecology ; Management ; Fisheries ; Biology
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  • 70
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    Beach surveys of South Carlsbad State Beach onshore of Carlsbad artificial reef (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/1422 | 8 | 2011-09-29 20:36:10 | 1422 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-08
    Description: (Document pdf contains 9 pages)
    Description: California Coastal Commission
    Description: Nearshore Sport Fish Habitat Enhancement Program
    Keywords: Management ; Fisheries ; Biology
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  • 71
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    A report of biological observations at Topanga artificial reef and Santa Monica Bay artificial reef (2021)
    California Department of Fish and Game, Marine Resources Division | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/1423 | 8 | 2010-12-14 16:26:03 | 1423 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-08
    Description: (Document pdf contains 25 pages)
    Keywords: Management ; Fisheries ; Biology
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  • 72
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    A report of biological observations at Pacific Beach artificial reef, Oceanside artificial reef, and Santa Monica Bay artificial reef (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/1439 | 8 | 2011-09-29 20:37:31 | 1439 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-08
    Description: (Document pdf contains 16 pages)
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
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  • 73
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    Marine recreational fisheries statistics survey for northern and central California, quarterly report no. 13, July to September, 1982 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/342 | 8 | 2011-09-29 22:12:10 | 342 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: Field intercept Marine Recreational Fisheries Statistics Survey (MRFSS) data for central and northern California, collected in July to September 1982, is presented in a data report format. Data in this quarterly report aresubdivided into three categories: primarily by five geographical areas; secondarily by fishing modes and gear types within each area; and finally by catch definition for each area, mode, and gear type. Tables are presentedfor these categories, each with three sections: sampled effort, ranked catch, and catch-per-unit-effort (CPUE). Also, within each area, length-frequency histograms and tables are presented for select species. (PDF contains 137 pages)
    Keywords: Management ; Fisheries ; Biology ; Sport fishing ; surveys ; California
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  • 74
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    The status of the Market Crab resource and its management (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/664 | 8 | 2011-09-29 21:43:00 | 664 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-01
    Description: The market crab (Canaer magister) resource offCalifornia is undergoing heavy pressure and appears tobe near full exportation. The fisheries in the SanFrancisco and Central California areas are at low levelsof abundance but the population off Eureka and CrescentCity appears relatively healthy. (18pp.)
    Keywords: Management ; Fisheries ; Biology ; Market crab ; Cancer magister ; California
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  • 75
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    The status of the Pacific Bonito resource and its management (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/663 | 8 | 2011-09-29 21:42:58 | 663 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-01
    Description: Pacific bonito, Sarda chiliensis, have been fished inCalifornia waters since at least the beginning of this century. Commercial landings between 1916 and 1971 varied widely, with a low of 128,000 lbs in 1956 and a high of 21.2 million lbs in 1967 (Table 1). The catch is partly dependent upon availability, but it is strongly influenced by economicfactors.The size and condition of the resource is unknown at present although it appears that the catch could be substantiallyincreased without damage to the resource. (17pp.)
    Keywords: Management ; Fisheries ; Biology ; Pacific bonito ; Sarda chiliensis
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  • 76
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    The status of the Pacific Hake resource and its management (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/665 | 8 | 2011-09-29 21:43:02 | 665 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-01
    Description: Pacific hake, Merluccius productus, have not been utilizedto a large extent in California but they are considered to bea latent resource of considerable magnitude.The take is small at present with most landings made for animal food. A combination of economic and handling problems has prevented the expansion of the fishery. (33pp.)
    Keywords: Management ; Fisheries ; Biology ; Pacific Hake ; Merluccius productus
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  • 77
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    The status of the rockfish resource and its management (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/672 | 8 | 2011-09-29 21:42:51 | 672 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-01
    Description: There are 63 species of the Family Scorpaenidae foundin the marine waters of California. Rockfish, genus Sebastesaccount for 58 of these species. Except for a few stocks ininshore waters and adjacent to ports, these species are notpresently fully exploited. (34pp.)
    Keywords: Management ; Fisheries ; Biology ; rockfish ; Sebastes sp. ; Scorpaenidae ; California
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  • 78
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    The anchovy reduction fishery for the 1976-77 season (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/711 | 8 | 2011-09-29 21:40:38 | 711 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-02
    Description: The 1976-77 anchovy season ended with landings of 92,515mt (101,433 tons) in southern California and 4,571 mt (5,041tons) in central California. Southern California catcheswere dominated by age groups III (27%) and 0 (28%) while 77%of central California's landings were age groups III throughVI. Numerical sex ratios were calculated to be 1.1:l and2:l female to male for southern and central Californiarespectively. (23pp.)
    Keywords: Management ; Fisheries ; Biology ; Anchovy ; California
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  • 79
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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
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  • 80
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    Pacific bonito management information document (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/713 | 8 | 2011-09-29 21:40:51 | 713 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-02
    Description: Management of Pacific bonito in California is examined in this Management Information Document by a State-Federal team of scientists.Abundance of Pacific bonito in southern California has fallen dramatically between the 1963-1969 period and the 1974-1977 period. Since 1976 the commercia1 fleet has found few large fish in southern California, and has caught fish in the size range of 15 to 57 cm (1.2 to 4.7 pounds). This fact, coupled with the low abundance indices, point out the need for a more active management regime.To develop management measures for the California bonitofishery both a surplus yield analysis and a yield-per-recruit analysis were performed. A maximum sustained yield of 10,000 short tons was estimated for the fishery in southern California, while the whole fishery, including Baja California, has an estimated MSY of 13,000 tons. In order to achieve this level of catch, however, the stock abundance must be increased by a factor of five.Yield-per-recruit considerations suggest that a minimumsize limit in the commercial fishery has two important effects. A three-pound size limit could result in a slight increase in yield-per-recruit. If the size limit is increased to 5 or 7.5 lbs, the yield-per-recruit would fall significantly. Offsetting the effect on yield-per-recruit, however, would be a substantial increase in average amount of spawning per recruit which should result in a proportional increase in recruitment. With the current depressed stock abundance both a reduced annual take anda minimum size limit on commercial catch would confer substantial benefits in the form of an increase in the future stock size.After considering seven different types of managementmeasures, the team finds that three types -- an annual commercial catch quota, a commercial size limit, and a recreational bag limit -- appear desirable.Re-establishment of the stock in southern California wasthe major consideration in this evaluation because the stock is currently depressed. All segments of the fishery will benefit from a more abundant resource. The difficult issues for policy, however, concern the rate of rebuilding, the degree of risk that is acceptable, and the distribution of benefits among user groups. By judicious choice among the options discussed here, a variety of positions can be established with respect to these issues. The greater the size limit, for instance, the more benefit is provided the recreational sector while difficulties are imposed upon commercial fishermen. The higher the quotas adopted, theslower the stock rebuilding and the greater the risk of continued stock depletion. A final reconciliation of the management options involves social, political and legal considerations which must be thoroughly incorporated by decision-makers before adoption of a management plan. (93pp.)
    Keywords: Management ; Fisheries ; Biology ; Pacific bonito ; Sarda chiliensis ; California
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  • 81
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    Proposal for improving fishing opportunities off Pt. Loma by construction of an artificial reef (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/1420 | 8 | 2011-09-29 20:35:40 | 1420 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-08
    Description: (Document pdf contains 42 pages)
    Description: California Coastal Commission
    Description: Nearshore Sport Fish Habitat Enhancement Program
    Keywords: Management ; Fisheries ; Biology
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  • 82
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    Southern California pier fishermen: how familiar are they with the sport fishing regulations? (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/9 | 8 | 2011-09-29 22:40:51 | 9 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: Anglers frequently violate sport fishing regulations outof ignorance, by mistake, or by deliberate action. Todetermine whether unfamiliarity with the regulations playsa major part in this problem, we asked pier fishermen aseries of questions which tested their knowledge of theregulations.We discovered that on any given weekday, only 7% of theanglers on a pier kept a copy of the regulations withthem for reference. The remaining fishermen had to dependupon memory for the rules; however, only 31% of the anglersknew three or more of those rules.Pier anglers are not well-enough informed to follow thesize limit regulations. However, anglers on piers do notoften catch size-regulated fish . Unless these anglersengage in another type of fishing (such as from a boat)they will not significantly detract from the success offishery management programs for size-regulated fish species. (8pp.)
    Keywords: Management ; Fisheries ; recreational fishing ; fish size ; anglers ; regulations
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  • 83
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    The status of the ocean shrimp resource and its management (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/670 | 8 | 2011-09-29 21:42:56 | 670 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-01
    Description: The fishery for ocean shrimp (Pandalus jordani) wasbegan in the early 1950's after exploratory fishing bythe Department of Fish and Game discovered five denseconcentrations. The fishery has been fully regulatedsince its beginning and is currently being managed formaximum sustained yield by a quota system. (19pp.)
    Keywords: Management ; Fisheries ; Biology ; Ocean shrimp ; Pandalus jordani
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  • 84
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    The status of the California spiny lobster resource (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/666 | 8 | 2011-09-29 21:43:25 | 666 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-01
    Description: California spiny lobsters, Panulirus interruptus, are the object of intense fisheries prosecuted by both commercial and sport fishermen in California. Recent evidence indicates that the resource may be declining, and an investigation of the population dynamics is needed. It is recommended that the investigation assess the magnitude of the fishery, identify population units and investigate the adequacy of existing gear regulations. (14pp.)
    Keywords: Management ; Fisheries ; Biology ; Spiny lobster ; Panulirus interruptus
    Repository Name: AquaDocs
    Type: monograph
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    The status of the California Barracuda resource and its management (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/662 | 8 | 2011-09-29 21:43:45 | 662 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-01
    Description: The California barracuda, Sphyraena argentea, has beenfished commercially for over 70 years. Peak landings weremade during the early 1920's and have since declined to anincidental level. The present interest in barracuda centersaround its desirability as a game species.Recent estimates of barracuda abundance indicate thepopulation is at a low level and in need of increasedmanagement efforts. (21pp.)
    Keywords: Management ; Fisheries ; Biology ; California Barracuda ; Sphyraena argentea
    Repository Name: AquaDocs
    Type: monograph
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    The status of the Pacific sardine resource and its management (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/669 | 8 | 2011-09-29 21:43:30 | 669 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-01
    Description: The Pacific sardine fishery has declined from a catch ofalmost 8 hundred-thousand tons in the nineteen thirties torelative insignificance at present. This decline was primarilydue to the decline of the northern subpopulation.Scientists feel that the only remedial measure which wouldbe effective is a complete ban on sardine fishing in California and northern Baja California. (17pp.)
    Keywords: Management ; Fisheries ; Biology ; Pacific sardine ; Sardinops sagax
    Repository Name: AquaDocs
    Type: monograph
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  • 87
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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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  • 88
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    The Pacific Herring resource of Tomales and San Francisco Bays: its size and structure (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/686 | 8 | 2011-09-29 21:40:56 | 686 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-02
    Description: The spawning biomass of Pacific herring, Clupea harenguspallasii was estimated for Tomales Bay and San FranciscoBay during the 1973-74 and 1974-75 spawning seasons. Estimates involve determining numbers of eggs spawned and converting this figure to tons of herring.Age composition of the catch indicates the populations ofboth bays are stable.The spawning biomass was estimated at 6,559 tons and 4,734tons in Tomales Bay for the 1973-74 and 1974-75 seasons,respectively. Spawning biomass estimates for San FranciscoBay were 6,127 tons and 19,465 tons for the 1973-74 and 1974-75 seasons, respectively. (46pp.)
    Keywords: Management ; Fisheries ; Biology ; Pacific herring ; Clupea harengus pallasii ; Tomales Bay ; San Francisco Bay ; California
    Repository Name: AquaDocs
    Type: monograph
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  • 89
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    Age composition of California landings of Bluefin tuna, Thunnus thynnus, 1963 through 1969 (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/706 | 8 | 2011-09-29 21:40:14 | 706 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-02
    Description: California landings of bluefin tuna, Thunnus thynnus, were sampled for age and size composition from 1963 through 1969. Scales were used to determine the age.Landings primarily consisted of 1- and 2-year old fish. The maximum age found was 6 years old. Strong year-classes of 1960 and 1961 combined to produce high catches in 1962 and 1963. Two year old fish appear to arrive in our fishery earlier than 1-year olds. (44pp.)
    Keywords: Management ; Fisheries ; Biology ; bluefin tuna ; Thunnus thynnus ; California
    Repository Name: AquaDocs
    Type: monograph
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  • 90
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    The anchovy reduction fishery for the 1977-78 season (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/712 | 8 | 2011-09-29 21:40:40 | 712 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-02
    Description: Landings for the 1977-78 season were 62,118 metric tons(68,476 tons) in southern California and 6,541 metric tons (7,212 tons) in central California. The southern area's samples were characterized by the dominance of the 1976 year class (38%) while central California data indicated the 1977 year class (38%) as the most abundant year class. Sex ratios indicated a near 1:1 ratio for both southern and central California. (24pp.)
    Keywords: Management ; Fisheries ; Biology ; anchovy ; California
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  • 91
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    The southern California Jack Mackerel fishery, and the age and length composition of the catch for the 1972-73 through 1983-84 seasons (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/725 | 8 | 2011-09-29 21:38:29 | 725 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-02
    Description: Jack mackerel landings in southern California during the 1972-73 to 1983-84 seasons indicate successful year classes in 1974, 1976, 1978, and 1980, each contributing over 150 million fish to the fishery. These alternated with weak year classes in 1973, 1975, 1977, 1979, and 1981, each contributing less than 60 million fish. A majority of the fish were caught as one- and two-year-olds and were less than 300 mm in length. (45pp.)
    Keywords: Management ; Fisheries ; Biology ; Southern California ; Jack mackerel ; Trachurus symmetricus
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    Type: monograph
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  • 92
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    Cruise Report 74-KB-32: Lobster (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/844 | 8 | 2011-09-29 21:32:22 | 844 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-03
    Description: (1 page)
    Keywords: Management ; Fisheries ; Biology ; R/V Kelp Bass ; Santa Catalina Island ; California ; Spiny lobster ; Panulirus interruptus ; life history
    Repository Name: AquaDocs
    Type: monograph
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    A report of biological observations at Oceanside #1 and #2 artificial reefs, Carlsbad artificial reef, Pacific Beach artificial reef, and Mission Bay Park artificial reef (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/1440 | 8 | 2011-09-29 20:37:33 | 1440 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-08
    Description: (Document pdf contains 22 pages)
    Description: Nearshore Sport Fish Habitat Enhancement Program
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
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