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  • 101
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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
    Publikationsdatum: 2021-06-26
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries
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    Materialart: monograph
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  • 102
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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
    Publikationsdatum: 2021-06-26
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries ; sportfishing ; California
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  • 103
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    Mendocino power plant site ecological study, Quarterly Report No. 1; July 1 - September 30, 1971 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/141 | 8 | 2011-09-29 22:32:09 | 141 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-06-26
    Beschreibung: This report is the first quarterly report submitted in partial fulfillment of Research Contract No. S-1902 between the Department of Fish and Game and the Pacific Gas and Electric Company. Through this contract the Department of Fish and Game is to conduct a pre-operational ecologicalstudy to establish a base line inventory of the marine biota with special reference to fish and to abalone, including food chains.Quarterly reports will be followed by annual reports. The first annual report will cover all work from September 1971 through December 1972. Full tables and species lists will be included in each annual report.
    Beschreibung: 13pp.
    Schlagwort(e): Ecology ; Fisheries ; Mendocino Power Plant ; California ; environmental impact
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  • 104
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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
    Publikationsdatum: 2021-06-26
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 105
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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
    Publikationsdatum: 2021-06-26
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 106
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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
    Publikationsdatum: 2021-06-26
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries ; sportfishing ; California
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 107
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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
    Publikationsdatum: 2021-06-26
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 108
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    A re-survey of the marine environment offshore from Point Loma, San Diego County (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/183 | 8 | 2011-09-29 22:28:21 | 183 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-06-27
    Beschreibung: The California Department of Fish and Game and the State Water Quality Control Board (through Regional Board No. 9 - San Diego) entered into an agreement 1 July 1970, whereby Department biologist-divers would resurvey the marine environment off the western shore of Point Lorna, San DiegoCounty, California. The investigation was to consist of a comparison of present conditions to those found in 1965 (Turner, Ebert and Given, 1968). This information would then be used by the Board to evaluate environmentalchanges (if any) which have occurred following the operation of the Point Loma ocean outfall.Determinations to be made at each station included, but were not limited to: (i) the number and diversity of plant and animal life; (ii) substrate characteristics; and (iii) physical conditions of the water.The Board reimbursed the Department for part of the expenses incurred during the course of this investigation.
    Beschreibung: 79pp.
    Schlagwort(e): Ecology ; Fisheries ; Biology ; Point Loma ; California ; outfalls
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 109
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    A survey of the marine environment near the city of Monterey ocean outfall (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/173 | 8 | 2011-09-29 22:28:55 | 173 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-06-26
    Beschreibung: The California Department of Fish and Game and the State Water Resources Control Board (through Regional Board #3, Central Coast) entered into an agreement whereby Department biologist-divers conducted a subtidalecological investigation of the marine environment in the vicinity of the City of Monterey ocean outfall. The objective of the study was to provide the Regional Water Quality Control Board with data to assist them in evaluating the effects of the discharge on the marine environment.The determinations made by biologist-divers included: (i) the number and diversity of the plant and animal life; (ii) substrate characteristics; and (iii) physical parameters, including water temperature, dissolved oxygen levels and clarity. Additionally, benthic samples wereobtained by the divers and/or by a Ponar grab at each station.The State Water Resources Control Board reimbursed the Department for part of the expenses incurred during this study. (27pp.)
    Schlagwort(e): Ecology ; Fisheries ; Biology ; Monterey ; California ; outfalls
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 110
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    A survey of the marine environment near the city of Watsonville ocean outfall (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/185 | 8 | 2011-09-29 22:23:34 | 185 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-06-27
    Beschreibung: The California Department of Fish and Game and the State Water Resources Control Board (through Regional Board #3, Central Coast) entered into an agreement whereby Department biologist-divers conducted a subtidal ecological investigation of the marine environment in the vicinity of the city of Watsonville ocean outfall in Monterey Bay. Theobjective of the study was to provide the Regional Water Quality Control I Board (RWQCB) with data to assist them in evaluating the effects of the discharge on the marine environment at four stations selected by theRWQCB around the outfall terminus (Figure 1).The determinations made by biologist-divers included: (i) the number and diversity of the plant and animal life; (ii) substrate characteristics; and (iii) physical parameters, including water temperature and clarity.Additionally, benthic samples were obtained, both by the divers and by a Ponar grab, at each station.The State Water Resources Control Board reimbursed the Department for expenses incurred during this study. The work was performed by California Department of Fish and Game biologists from the Department's research vessel KELP BASS.
    Beschreibung: 13pp.
    Schlagwort(e): Ecology ; Fisheries ; Biology ; Watsonville ; California ; outfalls
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 111
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    A survey of the marine environment near the city of Goleta ocean outfall (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/190 | 8 | 2011-09-29 22:24:10 | 190 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-06-27
    Beschreibung: The California Department of Fish and Game and the State Water Resources Control Board (through Regional Board #3, Central Coast) entered into an agreement whereby Department biologist-divers conducted a subtidal ecologicalinvestigation of the marine environment in the vicinity of the city of Goleta ocean outfall. The objective of the study was to provide the Regional Water Quality Control Board (RWQCB) with data to assist them in evaluating theeffects of the discharge on the marine environment at four stations selected by the RWQCB around the outfall terminus (Figure 1). One additional physical data station, (G-4), was occupied for temperature and dissolved oxygen determinations.The determinations made by biologist-divers included: (i) the number and diversity of animal life; (ii) substrate characteristics; and (iii) physical parameters, including water temperature, clarity, and dissolved oxygen. Additionally, benthic samples were obtained both by the divers and by a Ponar grab at each station.The State Water Resources Control Board partially reimbursed the Department for expenses incurred during this study. The work was performed by California Department of Fish and Game biologists from the Department's research vessel KELP BASS. (15pp.)
    Schlagwort(e): Ecology ; Fisheries ; Biology ; Goleta ; California ; discharge ; outfalls
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 112
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    A survey of the marine environment near the city of Carmel ocean outfall (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/192 | 8 | 2011-09-29 22:24:14 | 192 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-06-27
    Beschreibung: The California Department of Fish and Game and the State Water Resources Control Board (through Regional Board #3, Central Coast) entered into an agreement whereby Department biologist-divers conducted a subtidal ecological investigation of the marine environment in thevicinity of the city of Carmel ocean outfall in Carmel Bay. The objective of the study was to provide the Regional Water Quality Control Board (RWQCB) with data to assist them in evaluating the effects of the discharge on the marine environment at five stations selected by the RWQCB adjacent to the outfall terminus and two at a control area off Granite Point (Figure 1), and to provide pre-discharge data for a new discharge being constructed adjacent to the existing one.The determinations made by biologist-divers included: (i) the number and diversity of plant and animal life; (ii) substrate characteristics; and (iii) physical parameters, including water temperature and clarity.The State Water Resources Control Board reimbursed the Department for some expenses incurred during this study. The work was performed by California Department of Fish and Game biologists from the Department's research vessel KELP BASS.
    Beschreibung: 18pp.
    Schlagwort(e): Ecology ; Fisheries ; Biology ; Carmel Bay ; discharge ; California ; outfalls
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 113
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    A survey of the marine environment near the city of Santa Cruz ocean outfall (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/189 | 8 | 2011-09-29 22:24:08 | 189 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-06-27
    Beschreibung: The California Department of Fish and Game and the State Water Resources Control Board (through Regional Board #3, Central Coast) entered into an agreement whereby Department biologist-divers conducted a subtidal ecological investigation of the marine environment in thevicinity of the City of Santa Cruz ocean outfall. The objective of the study was to provide the Regional Water Quality Control Board with data to assist them in evaluating the effects of the discharge on the marine environment.The determinations made by biologist-divers included: (i) the number and diversity of the plant and animal life; (ii) substrate characteristics; and (iii) physical parameters, including water temperature and clarity. Additionally, benthic samples were obtained both by the diversand by a Ponar grab at each station.The State Water Resources Control Board reimbursed the Department for part of the expenses incurred during this study.
    Beschreibung: 17pp.
    Schlagwort(e): Ecology ; Fisheries ; Biology ; Santa Cruz ; California ; outfalls
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 114
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    Mendocino Power Plant site ecological study, Quarterly Report No. 2; October 1 - December 31, 1971 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/195 | 8 | 2011-09-29 22:24:34 | 195 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-06-27
    Beschreibung: This report is the second quarterly report submitted in partial fulfillment of Research Contract No. S-1902 between the Department of Fish and Game and the Pacific Gas and Electric Company. Through this contract the Department of Fish and Game is to conduct a pre-operational ecological study to establish a base line inventory of the marine biotawith special reference to fish and to abalone, including food chains.Quarterly reports will be followed by annual reports. The first annual report will cover work through December 31, 1972. Full tables and species lists will be included in each annual report. Complete records of observations and measurements are kept in files at the Marine Resources Laboratory, Monterey.
    Beschreibung: 12pp.
    Schlagwort(e): Ecology ; Fisheries ; Biology ; Mendocino Power Plant ; California ; environmental impact
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 115
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    A survey of the marine environment near the Wedron Silica discharge off Asilomar, Monterey County (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/193 | 8 | 2011-09-29 22:24:28 | 193 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-06-27
    Beschreibung: The California Department of Fish and Game and the State Water Resources Control Board (through Regional Board #3, Central Coast) entered into an agreement whereby Department biologist-divers conducted a subtidal ecological investigation of the marine environment in the vicinity of the Wedron Silica discharge. The objective of the study was to provide the Regional water Quality Control Board (RWQCB) with data to assist them in evaluating the effects of the discharge on the marine environment.The determinations made by biologist-divers consisted of:(i) comparative abundance and diversity of plant and animal life; (ii) substrate characteristics; and (iii) limited physical measurements, including water temperature and clarity.The State Water Resources Control Board reimbursed the Department for part of the expenses incurred during this study. (24pp.)
    Schlagwort(e): Ecology ; Fisheries ; Biology ; Asilomar ; California ; discharge ; outfalls
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 116
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    Mendocino power plant site ecological study Quarterly Report No. 4; April 1 - June 30, 1972 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/196 | 8 | 2011-09-29 22:24:37 | 196 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-06-27
    Beschreibung: This report is the fourth quarterly report submitted in partial fulfillment of Research Contract No. S-1902 between the Department of Fish and Game and the Pacific Gas and Electric Company. Through this contract the Department of Fish and Game is to conduct a pre-operational ecological study to establish a base line inventory of the marine biotawith special reference to fish and to abalone, including food chains.Quarterly reports will be followed by annual reports. The first annual report will cover works through December 31, 1972. Full tables and species lists will be included in each annual report. Complete records of observations and measurements are kept in files at the Marine Resources Laboratory, Monterey.
    Beschreibung: 14pp.
    Schlagwort(e): Ecology ; Fisheries ; Biology ; Mendocino Power Plant ; California ; environmental impact
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 117
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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
    Publikationsdatum: 2021-06-27
    Beschreibung: (17pp.)
    Schlagwort(e): Management ; Fisheries ; Lobster ; commercial fisheries
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
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  • 118
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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
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    Publikationsdatum: 2021-06-27
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries ; Biology ; Scomber japonicus ; Pacific mackerel
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 119
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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
    Publikationsdatum: 2021-06-29
    Beschreibung: 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)
    Beschreibung: 24pp.
    Schlagwort(e): 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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    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
    Publikationsdatum: 2021-06-29
    Beschreibung: 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)
    Beschreibung: 31pp.
    Schlagwort(e): 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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    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
    Publikationsdatum: 2021-07-08
    Beschreibung: (Document pdf contains 64 pages)
    Beschreibung: Southern California Edison Company
    Beschreibung: Nearshore Sport Fish Habitat Enhancement Program
    Schlagwort(e): Ecology ; Management ; Fisheries ; Biology
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    Materialart: monograph
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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
    Publikationsdatum: 2021-07-08
    Beschreibung: (Document pdf contains 9 pages)
    Beschreibung: California Coastal Commission
    Beschreibung: Nearshore Sport Fish Habitat Enhancement Program
    Schlagwort(e): Management ; Fisheries ; Biology
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    Materialart: monograph
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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
    Publikationsdatum: 2021-07-08
    Beschreibung: (Document pdf contains 25 pages)
    Schlagwort(e): Management ; Fisheries ; Biology
    Repository-Name: AquaDocs
    Materialart: monograph
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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
    Publikationsdatum: 2021-07-08
    Beschreibung: (Document pdf contains 16 pages)
    Schlagwort(e): Management ; Fisheries ; Biology
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 125
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    Cruise Report 72-S-3: Bottomfish (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2036 | 8 | 2011-09-29 19:46:28 | 2036 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-11
    Beschreibung: (PDF contains 7 pages.)
    Schlagwort(e): Fisheries ; Biology ; Eel River ; Mendocino ; Mattole ; Delgada Canyons ; Anoplopoma fimbria ; sablefish ; stock assessment
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    Materialart: monograph
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    Cruise Report 71-S-1: Bottomfish (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2039 | 8 | 2011-09-29 19:46:22 | 2039 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-11
    Beschreibung: (PDF contains 4 pages.)
    Schlagwort(e): Fisheries ; Biology ; Cape Mendocino ; CA ; Cape Blanco ; OR ; Gulf of the Farallones ; Dover sole ; Microstomus pacificus ; tag ; market crab ; Cancer magister ; tanner crab ; Chionoecetes tanneri
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    Cruise Report 71-S-7: Crab (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2045 | 8 | 2011-09-29 19:43:11 | 2045 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-11
    Beschreibung: (PDF contains 6 pages.)
    Schlagwort(e): Fisheries ; Biology ; San Francisco ; CA ; San Pedro ; CA ; Bodega Head ; CA ; market crab ; Cancer magister ; petrale sole ; N.B.Scofield
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  • 128
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    Cruise Report 70-S-7: Big Game Fisheries Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2035 | 8 | 2011-09-29 19:46:26 | 2035 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-11
    Beschreibung: (PDF contains 3 pages.)
    Schlagwort(e): Fisheries ; Biology ; Baja California ; Mexico ; tag and release ; Magdalena Bay ; Pacific bonito ; Sarda chiliensis ; California yellowtail ; Seriola dorsalis ; white sea bass ; N.B. Scofield
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  • 129
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    Biological surveys of Santa Monica Bay artificial reef and Topanga artificial reef (2021)
    California Department of Fish and Game Marine Resources Division | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/384 | 8 | 2011-09-29 22:07:26 | 384 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-06-29
    Beschreibung: This report details the development of the biological communities on 2 artificial reefs off southern California (Figure 1). Santa Monica Bay Artificial Reef(SMBAR) andTopanga Artificial Reef(TAR) were both constructed in 1987 with 20,000 and 10,000 tons of quarry rock respectively.SMBAR was constructed in the manner of replication reefs which were designed by researchers to study the effects ofenvironmental and structural variables on reef productivity in situ and TAR was built to promote kelp habitat. SMBAR iscomposed of 24 module pairs of varying height and rock size arranged along three depth strata while TAR was built in 3 piles along one depth strata (Table 1, Figure 2 & Figure 3).SMBAR is located at 34°00'47''N; 118°32'33" W approximately 5 nautical miles from the Marina del Rey entrance along a course of 290° magnetic. TAR is located at 34°01'38.10" N; 118°31'54.80"W; approximately 5.25 nautical miles from theMarina del Rey entrance along a course of302° magnetic.The modules of SMBAR cover 3.58 acres of the 256 acres allotted in the permit. Each module has a footprint of about 0.07 acres. The modules of TAR cover 2 acres of 13 acres allotted in the permit. Each module has a footprint of about 0.70 acres.During the late fall of 1995 both reefs were surveyed by Department divers to assess how closely their biological communities had progressed towards a stable "equilibrium"community. Due to the relatively young age of the reefs and the rapid successional change which occurs in the associated biotic communities of new reefs (Carlisle et al. 1964; Turneretal. 1969; Carteretal. 1985; Matthews 1985; Solonsky 1985; Ambrose and Swarbrick 1989; Anderson et al. 1989;Hueckel and Buckley 1989; and WIlson et al. 1990), only qualitative surveys were conducted. (17pp.)
    Schlagwort(e): Fisheries ; Biology ; Santa Monica Bay Artificial Reef ; Topanga Artificial Reef ; California ; artificial reefs ; biological communities
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    1997 biological surveys of four Southern California artificial reefs: Oceanside #2, Carlsbad, Pacific Beach, and Mission Bay Park (2021)
    California Department of Fish and Game Marine Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/396 | 8 | 2011-09-29 22:07:15 | 396 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-06-29
    Beschreibung: (31pp.)
    Schlagwort(e): Fisheries ; Biology
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 131
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    Fish and bivalves at Bolsa Chica Marsh re-establishment project, Report IV (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/402 | 8 | 2011-09-29 22:06:19 | 402 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-06-29
    Beschreibung: The objectives of this study are:1. Determine changes in the number of species of fishes and bivalves before Phase I and during Phase I at Bolsa Chica Marsh.2. Determine if California Department of Fish and Game's predicted benefits in Phase I were achieved by increases in fish species.3. Determine influences of water management practices upon fish and bivalve composition.This report is divided into two major topics: (1) the fishes and the bivalves collected in July, August, and September 1980 and (2)a discussion of the project objectives after four quarters of sampling.Fifteen species of fishes and eight species of bivalves were collected from inner Bolsa Bay and south Bolsa slough in July, August, and September 1980. Giant kelpfish, Heterostichus rostratus; gray smoothhound, Mustelus californicus; California halibut, Paralichthys californicus; yellowfin croaker, Umbrina roncador; Washington clam, Saxidomus nuttalli; egg cockle, Laevicardium substriatum; and a small burrowing clam, Cooperella subdiaphana, have not been previously reported from inner Bolsa Bay.The number of fish species in outer Bolsa Bay changed from 10 prior to Phase I to 18 during Phase I. The number of fish species in inner Bolsa Bay and south Bolsa slough changed from three prior to Phase I to 24 during Phase I. Eleven species of bivalves were found in outer Bolsa Bay both prior to Phase I and during Phase I. The number of bivalve species in inner Bolsa Bay changes from two prior to Phase I to nine during Phase I.With the water management practices of Phase I in inner Bolsa Bay and south Bolsa slough; the number of resident fish species is 14, while the number of resident bivalves is five.All three study objectives are discussed and recommendations are made on water management practices concerning fishes and bivalves in inner Bolsa Bay and south Bolsa slough. (33pp.)
    Schlagwort(e): Ecology ; Fisheries ; Biology
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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
    Publikationsdatum: 2021-06-28
    Beschreibung: 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)
    Schlagwort(e): Management ; Fisheries ; Biology ; Sport fishing ; surveys ; California
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    Cruise Report 72-KB-18: Pacific Mackerel Survey (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/595 | 8 | 2011-09-29 21:47:59 | 595 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: Document has 1 page.
    Schlagwort(e): Fisheries ; Biology ; R/V Kelp Bass ; Southern California ; Pacific mackerel ; Scomber japonicus
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    Materialart: monograph
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    Pre-cruise report 72-KB-19: Big game fisheries investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/596 | 8 | 2011-09-29 21:49:25 | 596 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: Document has 1 page.
    Schlagwort(e): Fisheries ; Biology ; R/V Kelp Bass ; Northern Baja California ; San Martin Island ; Los Coronados Islands ; white seabass ; Cynoscion nobilis ; California barracuda ; Sphyraena argentea
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    Materialart: monograph
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    Cruise Report 73-KB-15: Abalone investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/620 | 8 | 2011-09-29 21:46:45 | 620 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: (4pp.)
    Schlagwort(e): Ecology ; Fisheries ; Biology ; San Clemente Island ; California ; R/V Kelp Bass ; abalone ; spiny lobsters
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    Materialart: monograph
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  • 136
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    Cruise Report 73-KB-16: Big game fish investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/621 | 8 | 2011-09-29 21:47:18 | 621 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: (1p.)
    Schlagwort(e): Fisheries ; Biology ; R/V Kelp Bass ; Southern California ; Pacific bonito ; Sarda chiliensis ; California barracuda ; Sphyraena argentea ; white seabass ; Seriola dorsalis
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    Materialart: monograph
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    Cruise Report 73-KB-30: Lobster (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/634 | 8 | 2011-09-29 21:45:57 | 634 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: (1p.)
    Schlagwort(e): Fisheries ; Biology ; Isthmus Cove ; Santa Catalina Island ; California ; Spiny lobster ; Panulirus interruptus
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    Cruise Report 72-KB-15: Big game fisheries investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/591 | 8 | 2011-09-29 21:48:18 | 591 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: (1p.)
    Schlagwort(e): Fisheries ; Biology ; R/V Kelp Bass ; Sarda chiliensis ; Pacific bonito ; white seabass ; Cynoscion nobilis ; Pacific mackerel ; Scomber japonicus ; Jack mackerel ; Trachurus symmetricus
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  • 139
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    Cruise report 72-KB-22: Big game fish investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/599 | 8 | 2011-09-29 21:48:58 | 599 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: Document has 2 pages.
    Schlagwort(e): Fisheries ; Biology ; R/V Kelp Bass ; Southern California ; white seabass ; Cynoscion nobilis ; Pacific bonito ; Sarda chiliensis ; California barracuda ; Sphyraena argentea ; Pacific mackerel ; Scomber japonicus
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  • 140
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    Cruise Report 73-KB-2: Inshore fisheries habitat evaluation and monitoring program (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/610 | 8 | 2011-09-29 21:48:48 | 610 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: (2pp.)
    Schlagwort(e): Ecology ; Fisheries ; Biology ; R/V Kelp Bass ; Santa Catalina Island ; California ; Purple coral ; Allopora californica ; California scorpion fish ; Scorpaena guttata ; sheephead ; Pimelometopon pulchrum
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  • 141
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    Maturation and growth of Pacific Mackerel, Scomber japonicus Houttuyn (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/660 | 8 | 2011-09-29 21:43:54 | 660 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: The maturation of Pacific mackerel has never been documentedclearly. Analysis of data reveals spawning can occur fromMarch through October, but the majority takes place from Aprilthrough August. During this April through August period,22.5%, 65.7%, 75.1%, 84.7%, 84.2%, and 87.5% of the femalefish were mature or maturing for Age Groups I, II, III, IV, V,and VI+ respectively.A von Berta1anffy growth curve and a weight-length curvewere calculated. The weight-length curve was found to differsignificantly from a curve previously published. (21pp.)
    Schlagwort(e): Fisheries ; Biology ; Pacific Mackerel ; Scomber japonicus
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  • 142
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    Pacific Hake length frequencies at California ports, 1963-70 (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/659 | 8 | 2011-09-29 21:43:53 | 659 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: Since 1966, enlargement of specialized United States and Soviet hake fisheries led to scientific meetings and fishing agreements with provisions for exchanges of biological data by statistical areas where the catch exceeds 100 metric tons. While California area landings have not approached thequalifying level for data exchange, measurement data are presented in this report to complement other data for the hake resource.Hake in animal food samples were measured at Santa Barbara, Morro Bay, Fort Bragg, and Eureka. The majority of measurements were obtained at Santa Barbara where a declining trend in average sizes was noted for quarterlyperiods and for annual periods from 1966 to 1970. (23pp.)
    Schlagwort(e): Fisheries ; Biology ; Pacific Hake ; Merluccius productus
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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
    Publikationsdatum: 2021-07-01
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries ; Biology ; Market crab ; Cancer magister ; California
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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
    Publikationsdatum: 2021-07-01
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries ; Biology ; Pacific bonito ; Sarda chiliensis
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  • 145
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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
    Publikationsdatum: 2021-07-01
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries ; Biology ; Pacific Hake ; Merluccius productus
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  • 146
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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
    Publikationsdatum: 2021-07-01
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries ; Biology ; rockfish ; Sebastes sp. ; Scorpaenidae ; California
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  • 147
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    Validity of otolith age determinations for jack mackerel, Trachurus symmetricus, from the Southern California Bight area (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/675 | 8 | 2011-09-29 21:42:44 | 675 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: The purpose of this study was to ascertain the validity of agedeterminations using otoliths of jack mackerel. The study consisted of two parts: (1)otoliths were examined for seasonal changes in the hyaline and opaque zones at the edges of otoliths and (2)a dominant year class was followed through consecutive years noting marginal zone changes. (13pp.)
    Schlagwort(e): Fisheries ; Biology ; otolith ; age determination ; jack mackerel ; Trachurus symmetricus ; Southern California Bight
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  • 148
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    The use of otoliths to separate groups of northern Anchovies, Engraulis mordax (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/658 | 8 | 2011-09-29 21:43:51 | 658 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: Variation in the otolith weight to standard length relationship of anchovies reveal that southern and central Baja California, northern Baja California (Mexico) to central California (U.S.A.), and northern California contain distinct groups of anchovies. A quantitative measurementof these differences was determined between fishes from these three areas. The degree of overlap (probability of correctly classifying a sample of fish from the otolith-standard length relationship) was highest (.82) between northern California and southern and central Baja California. (27pp.)
    Schlagwort(e): Fisheries ; Biology ; otolith ; Northern anchovy ; Engraulis mordax
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  • 149
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    A history of the California live-bait fishing industry (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/680 | 8 | 2011-09-29 21:41:52 | 680 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-02
    Beschreibung: Fishing for live bait was originally introduced in 1910by Japanese albacore fishermen employing "blanket" nets. Thenorthern anchovy has always been the mainstay of the fisheryproviding 98 to 99% of the catch since 1957. Prior to thatthe Pacific sardine contributed 15 to 20% of the catch. Inpast years, when fishermen had difficulty locating fish, LosAngeles - Long Beach Harbor provided as much as 80% of theentire live-bait catch. A live-bait sampling program was initiated in 1955 by the Department of Fish and Game to maintain a closer check on the relative health of the anchovy resource. This sampling program provides the first visible indication of the yearly spawning success of northern anchovies and Pacific sardines. A brief summary of the fishing conditions from 1957 - 1973 are presented. (26pp.)
    Schlagwort(e): Fisheries ; Biology ; California ; Northern anchovy ; Engraulis mordax ; Pacific sardine ; Sardinops sagax
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  • 150
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    Maturation and growth of jack mackerel, Trachurus symmetricus (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/685 | 8 | 2011-09-29 21:41:47 | 685 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-02
    Beschreibung: Biological knowledge of jack mackerel is not extensive,and as yet no information on maturity or growth ratehas been documented. Analysis of fish caught in theSouthern California Bight indicates a spawning seasonfrom March through October. By the end of their firstyear, most females (70%) are capable of spawning, andthe percentage increases with age.Weight-length curves were calculated for a 2 monthperiod (July and August), and for the entire year. Avon Bertalanffy growth curve was determined fromJuly-August data to represent size of each age groupnear the designated August 1 birthdate. (328pp.)
    Schlagwort(e): Fisheries ; Biology ; jack mackerel ; Trachurus symmetricus ; California ; age and growth
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  • 151
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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
    Publikationsdatum: 2021-07-02
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries ; Biology ; Anchovy ; California
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  • 152
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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
    Publikationsdatum: 2021-07-02
    Beschreibung: 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.
    Schlagwort(e): Management ; Fisheries ; Biology ; Northern anchovy ; Engraulis mordax ; California
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  • 153
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    Tagging mortality experiments on Pacific mackerel, Pneumatophorus japonicus (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/709 | 8 | 2011-09-29 21:40:19 | 709 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-02
    Beschreibung: Two experiments were conducted to compare tagging mortality rates when Pacific mackerel are tagged using a traditional method and a modified method. Tagged and control fish in equal numbers were held in tanks on board the R/V ALASKA and observed for mortality. The experiments revealed mortality rates of 24% when the tag passes between the pterygiophores or neural spines and 1.5% when the tag is placed in the lateral musculature. Mortality from handling the fish for tagging was 4%, tank trauma was 2%, and the initial tag loss was 2.5%. (20pp.)
    Schlagwort(e): Fisheries ; Biology ; Tagging ; Pacific mackerel ; Pneumatophorus japonicus ; R/V Alaska
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  • 154
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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
    Publikationsdatum: 2021-07-02
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries ; Biology ; Pacific bonito ; Sarda chiliensis ; California
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  • 155
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    Deepwater demersal fishes observed from the submersible Avalon (DSRV-2) off the Farallon Islands, 24 June 1985 (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/722 | 8 | 2011-09-29 21:38:13 | 722 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-02
    Beschreibung: On 24 June 1985 the U.S. Navy's Deep Submergence RescueVehicle AVALON [DSRV-2] was used to locate low-levelradioactive waste containers and make observations ofdeepwater benthic fishes and invertebrates at the 900 m (2952 ft) radioactive waste disposal site approximat1y 4.4 km SW of the Farallon Islands off San Francisco, California. During the three hours on the bottom in depths of 975 to 1039 m (3198 to 3408 ft) five identifiable species of demersal fishes were observed: Dover sole, Microstomus pacificus; thornyheads, Sebastolobus spp.; deepsea sole, Embassichthys bathybius; sablefish, Anoplopoma fimbria; and Pacific hagfish, Eptatretus stoutii. Unidentifiable demersal fishes from the families Macrouridae and Zoarcidae were alsoobserved. Several species of macroinvertebrates were alsoidentified, including the tanner crab, Chionoecetes tanneri,and a large sea pen, Stylatula elongata. One low-level wastecontainer was located. The biology of the observed fishes and their commercial importance is discussed. (22pp.)
    Schlagwort(e): Ecology ; Fisheries ; Biology ; demersal fishes ; Submersible avalon ; Farallon Islands ; California ; Dover sole ; Microstomus pacificus ; thornyheads ; Sebastolobus spp. ; deepsea sole ; Embassichthys bathybius ; sablefish ; Anoploploma fimbria ; Pacific hagfish ; Eptatretus stoutii ; tanner crab ; Chionocetes tanneri ; sea pen ; Stylatula elongata
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  • 156
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    Cruise Report 74-KB-10: Sportfish-Kelp Habitat Study (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/822 | 8 | 2011-09-29 21:34:37 | 822 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-03
    Beschreibung: (2pp.)
    Schlagwort(e): Fisheries ; Biology ; Catalina Island ; Palos Verde Peninsula ; California ; kelp ; Macrocystis sp. ; halfmoon ; Medialuna californiensis ; opaleye ; Girella nigricans ; life history study ; R/V Kelp Bass
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  • 157
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    Cruise Report 74-KB-9: Lobster Investigation (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/821 | 8 | 2011-09-29 21:34:01 | 821 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-03
    Beschreibung: (1 page)
    Schlagwort(e): Fisheries ; Biology ; R/V Kelp Bass ; Santa Catalina Island ; California ; Spiny lobster ; Panulirus interruptus ; life history
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  • 158
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    Cruise Report 74-KB-16: Sportfish-Kelp Habitat Project (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/828 | 8 | 2011-09-29 21:30:50 | 828 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-03
    Beschreibung: (2pp.)
    Schlagwort(e): Fisheries ; Biology ; giant kelp ; Macrocystis sp. ; halfmoon ; Medialuna californiensis ; spiny lobster ; Panulirus interruptus ; life history ; R/V Kelp Bass ; Catalina Island ; California
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  • 159
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    Cruise Report 74-KB-14 and 74-M-3: Abalone-Lobster investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/826 | 8 | 2011-09-29 21:30:46 | 826 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-03
    Beschreibung: (6pp.)
    Schlagwort(e): Fisheries ; Biology ; R/V Kelp Bass ; R/V Mollusk ; Abalone Cove ; San Nicolas Island ; California ; Spiny lobster ; Panulirus interruptus ; red abalones ; Haliotis rufescens
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  • 160
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    Cruise Report 74-KB-20 and 74-M-5: Abalone-Lobster Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/832 | 8 | 2011-09-29 21:31:19 | 832 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-03
    Beschreibung: (3pp.)
    Schlagwort(e): Fisheries ; Biology ; R/V Kelp Bass ; R/V Mollusk ; Santa Cruz Island ; Catalina Island ; California ; green abalone ; Haliotis fulgens ; pink abalone ; Haliotis corrugata
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  • 161
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    Cruise Report 74-KB-23: Lobster Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/835 | 8 | 2011-09-29 21:31:34 | 835 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-03
    Beschreibung: (1 page)
    Schlagwort(e): Fisheries ; Biology ; R/V Kelp Bass ; Santa Catalina Island ; California ; Spiny lobster ; Panulirus interruptus ; life history
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  • 162
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    Cruise Report 74-KB-21: Lobster Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/833 | 8 | 2011-09-29 21:31:28 | 833 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-03
    Beschreibung: (1 page)
    Schlagwort(e): Fisheries ; Biology ; Santa Catalina Island ; California ; R/V Kelp Bass ; Spiny lobster ; Panulirus interruptus ; life history
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    Materialart: monograph
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  • 163
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    Cruise Report 74-KB-27: Sportfish-Kelp Habitat Project (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/839 | 8 | 2011-09-29 21:31:52 | 839 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-03
    Beschreibung: (1 page)
    Schlagwort(e): Fisheries ; Biology ; Catalina Island ; Palos Verdes Peninsula ; California ; giant kelp ; Macrocystis sp. ; halfmoon ; Medialuna californiensis ; life history
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  • 164
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    Cruise Report 74-KB-28: Sportfish-Kelp Habitat Project (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/840 | 8 | 2011-09-29 21:31:54 | 840 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-03
    Beschreibung: (2pp.)
    Schlagwort(e): Fisheries ; Biology ; R/V Kelp Bass ; Catalina Island ; Palos Verdes Peninsula ; California ; Giant kelp ; Macrocystis sp. ; halfmoon ; Medialuna californiensis ; life history
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 165
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    Cruise Report 74-KB-24: Sportfish-Kelp Habitat Project (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/836 | 8 | 2011-09-29 21:31:47 | 836 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-03
    Beschreibung: (2pp.)
    Schlagwort(e): Ecology ; Fisheries ; Biology ; R/V Kelp Bass ; Catalina Island ; Palos Verdes Peninsula ; California ; giant kelp ; Macrocystis sp. ; halfmoon ; Medialuna californiensis ; life history
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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
    Publikationsdatum: 2021-07-08
    Beschreibung: (Document pdf contains 42 pages)
    Beschreibung: California Coastal Commission
    Beschreibung: Nearshore Sport Fish Habitat Enhancement Program
    Schlagwort(e): Management ; Fisheries ; Biology
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  • 167
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    Cruise Report 70-S-3: Rockfish (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2024 | 8 | 2011-09-29 19:48:09 | 2024 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-11
    Beschreibung: (PDF contains 3 pages)
    Schlagwort(e): Fisheries ; Biology ; N. B. Scofield ; Monterey Bay ; Point Sur ; northern Channel Islands ; Rockfish ; trawl ; longline
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    Materialart: monograph
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  • 168
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    Cruise Report 70-S-4: Crab (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2025 | 8 | 2011-09-29 19:48:12 | 2025 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-11
    Beschreibung: (PDF contains 4 pages)
    Schlagwort(e): Fisheries ; Biology ; N. B. Scofield ; Westport ; California ; Oregon border ; Cancer magister ; market crab ; trawl ; Chinoecetes tanneri ; tanner crabs
    Repository-Name: AquaDocs
    Materialart: monograph
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    Cruise Report 71-S-5: Bottomfish (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2043 | 8 | 2011-09-29 19:43:08 | 2043 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-11
    Beschreibung: (PDF contains 8 pages.)
    Schlagwort(e): Fisheries ; Biology ; Cordell Bank ; Farallon Islands ; Soberanes Point ; Arena Canyon ; central California ; sablefish ; Anoplopoma fimbria ; trawling ; N.B.Scofield
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    Materialart: monograph
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  • 170
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    Status of the spawning biomass of the Pacific sardine, 1974-75 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/233 | 8 | 2021-02-27 19:36:47 | 233 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-06-27
    Beschreibung: In order to initiate a fishery for the Pacificsardine, Sardinops sajax caeruleus, it is requiredthat the spawning biomass be determined to havereached a minimum of 20,000 short tons. Data fromichthyoplankton surveys, night-light surveys, theanchovy bait fishery and jack mackerel purse seinefishery are analyzed for evidence of an increase in the population size. The present level of the spawning population of the northern stocks of sardines is determined to be far below the 20,000 tons required to initiate a fishery. (14pp.)
    Schlagwort(e): Fisheries ; Biology
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  • 171
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    Status of the spawning biomass of the Pacific sardine, 1979-80 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/7 | 8 | 2021-02-20 23:11:55 | 7 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-06-25
    Beschreibung: 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, and the jack mackerel purse seine fisheryare analyzed for evidence of an increase inpopulation size. Presently, the spawning biomassof the northern stock of sardines remains far below20,000 tons. (8pp.)
    Schlagwort(e): Fisheries ; Biology
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  • 172
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    Fish and bivalves at Bolsa Chica Marsh re-establishment project: Progress report I (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/8 | 8 | 2011-09-29 22:40:35 | 8 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-06-25
    Beschreibung: The primary purposes of the Bolsa Chica Marsh Re-establishment Project are to preserve and restore coastal wetland resources while providing for diversity of compatible public use of the area. The objectives of our fish and bivalve study are:1. Determine changes in the number of species of fish andbivalves before Phase I and during Phase I at BolsaChica Marsh.2. Determine if California Department of Fish and Game'spredicted benefits in Phase I were achieved by increasesin fish species.3. Determine influences of water management practices uponfish and bivalve composition.The objective to "determine if California Department of Fishand Game personnel's predicted benefits in Phase I were achieved by increases in fish species" could successfully be answered after the first collection of fish during Phase I. Sampling methods need to be refined. This will be an ongoing activity as this study progresses. The prognosis of successfully determining the study objectives is good.(15pp.)
    Schlagwort(e): Ecology ; Fisheries ; Biology ; Bolsa Chica Marsh ; fish ; bivalves
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    Materialart: monograph
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  • 173
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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
    Publikationsdatum: 2021-06-25
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries ; recreational fishing ; fish size ; anglers ; regulations
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 174
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    Cruise Report 72-KB-3: Big game fish investigation (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/580 | 8 | 2011-09-29 21:50:10 | 580 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-06-30
    Beschreibung: (1p.)
    Schlagwort(e): Fisheries ; Biology ; R/V Kelp Bass ; Southern California ; Pacific bonito ; Sarda chiliensis ; Pacific mackerel ; Scomber japonicus ; Jack mackerel ; Trachurus symmetricus
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 175
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    Cruise Report 73-KB-6: Jack mackerel study (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/613 | 8 | 2011-09-29 21:47:23 | 613 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: (1p.)
    Schlagwort(e): Fisheries ; Biology ; Marina Del Rey ; California ; San Diego Bay ; Jack mackerel ; Trachurus symmetricus ; Pacific mackerel ; Scomber japonicus ; R/V Kelp Bass
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 176
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    Cruise Report 72-KB-26: Pacific mackerel survey (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/603 | 8 | 2011-09-29 21:49:18 | 603 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: Document has 1 page.
    Schlagwort(e): Fisheries ; Biology ; R/V Kelp Bass ; Southern California ; Pacific mackerel ; Scomber japonicus ; jack mackerel ; Trachurus symmetricus
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 177
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    Cruise report 72-KB-25: Big game fish investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/602 | 8 | 2011-09-29 21:49:16 | 602 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: Document has 2 pages.
    Schlagwort(e): Fisheries ; Biology ; R/V Kelp Bass ; Channel Islands ; California ; Pacific bonito ; Sarda Chiliensis ; Pacific albacore ; Thunnus alalunga ; California yellowtail ; Seriola dorsalis ; California barracuda ; Sphyraena argentea
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 178
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    Cruise Report 73-KB-13: Pacific mackerel study (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/618 | 8 | 2011-09-29 21:47:15 | 618 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: (1pp.)
    Schlagwort(e): Fisheries ; Biology ; Pacific mackerel ; Scomber japonicus ; Jack mackerel ; Trachurus symmetricus ; Southern California
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 179
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    Cruise Report 73-KB-18: Abalone (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/623 | 8 | 2011-09-29 21:46:37 | 623 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: (2pp.)
    Beschreibung: 2 pp.
    Schlagwort(e): Ecology ; Fisheries ; Biology ; R/V Kelp Bass ; San Clemente Island ; Santa Cruz Island ; California ; green abalone ; Haliotis fulgens
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 180
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    Cruise Report 73-KB-20: Abalone (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/625 | 8 | 2011-09-29 21:46:40 | 625 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: (2pp.)
    Schlagwort(e): Ecology ; Fisheries ; Biology ; Santa Catalina Island ; San Clemente Island ; California ; green abalone ; Haliotis fulgens ; Spiny lobster
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 181
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    Cruise Report 73-KB-22: Kelp (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/626 | 8 | 2011-09-29 21:46:17 | 626 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: (1p.)
    Schlagwort(e): Ecology ; Fisheries ; Biology ; Kelp ; Macrocystis sp. ; Opaleye ; Girella nigricans ; Halfmoon ; Medialuna californiensis ; Catalina Island ; California
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 182
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    Cruise Report 73-KB-23: Abalone Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/627 | 8 | 2011-09-29 21:46:32 | 627 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: (2pp.)
    Schlagwort(e): Ecology ; Fisheries ; Biology ; San Clemente Island ; California ; Santa Cruz Island ; green abalone ; Haliotis fulgens
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 183
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    Cruise Report 73-KB-31: Abalone investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/635 | 8 | 2011-09-29 21:45:58 | 635 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: 4pp.
    Schlagwort(e): Fisheries ; Biology ; San Clemente Island ; Catalina Island ; California ; Green abalone ; Haliotis fulgens
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 184
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    Cruise Report 73-KB-19: Big game fish investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/624 | 8 | 2011-09-29 21:46:39 | 624 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: (1p.)
    Schlagwort(e): Fisheries ; Biology ; Southern California ; R/V Kelp Bass ; Pacific bonito ; Sarda chiliensis ; California barracuda ; Sphyraena argentea ; white seabass ; Cynoscion nobilis ; Pacific mackerel ; Scomber japonicus ; Jack mackerel ; Trachurus symmetricus
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  • 185
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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
    Publikationsdatum: 2021-07-01
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries ; Biology ; Ocean shrimp ; Pandalus jordani
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    Materialart: monograph
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  • 186
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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
    Publikationsdatum: 2021-07-01
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries ; Biology ; Spiny lobster ; Panulirus interruptus
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 187
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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
    Publikationsdatum: 2021-07-01
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries ; Biology ; California Barracuda ; Sphyraena argentea
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    Materialart: monograph
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  • 188
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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
    Publikationsdatum: 2021-07-01
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries ; Biology ; Pacific sardine ; Sardinops sagax
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    Materialart: monograph
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  • 189
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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
    Publikationsdatum: 2021-07-02
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries ; Biology ; Northern anchovy ; Engraulis mordax ; California
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  • 190
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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
    Publikationsdatum: 2021-07-02
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries ; Biology ; Pacific herring ; Clupea harengus pallasii ; Tomales Bay ; San Francisco Bay ; California
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  • 191
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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
    Publikationsdatum: 2021-07-02
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries ; Biology ; bluefin tuna ; Thunnus thynnus ; California
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  • 192
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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
    Publikationsdatum: 2021-07-02
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries ; Biology ; anchovy ; California
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  • 193
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    Maturity and spawning of the Pacific bonito, Sarda chiliensis lineolata, in the eastern North Pacific (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/710 | 8 | 2011-09-29 21:40:35 | 710 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-02
    Beschreibung: A study of maturity and spawning of Pacific bonito,Sarda chiliensis lineolata, was conducted from September1974 to August 1976. Macroscopic examination of the testesand microscopic observation of the ovaries were found to bereliable in determining the extent of sexual development ofindividual bonito. Spawning occurred primarily in BajaCalifornia waters, between Thetis Bank and Hutchin's Bankduring the spring and summer. The study found that 100% ofthe males larger than 50 cm (19.7 inches) and at least 2years old and 97.5% of the females larger than 55 cm (21.6inches) and older than age 2 were mature. An analysis ofthe ova diameters in spawning fish indicates that bonitospawned more than once each season; the exact frequencycould not be determined. Estimates of fecundity were unsatisfactory. (60pp.)
    Schlagwort(e): Fisheries ; Biology ; Pacific bonito ; Sarda chiliensis ; Baja California ; reproduction ; fecundity
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  • 194
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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
    Publikationsdatum: 2021-07-02
    Beschreibung: 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.)
    Schlagwort(e): Management ; Fisheries ; Biology ; Southern California ; Jack mackerel ; Trachurus symmetricus
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  • 195
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    Results of the 1972 skindiving assessment survey, Pismo Beach to Oregon (2021)
    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/773 | 8 | 2011-09-29 21:37:11 | 773 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-02
    Beschreibung: A skindiving survey was conducted from January throughDecember 1972 to estimate number of divers, diving days,hourly effort and animals taken from Pismo Beach to Oregon.Comparisons were made with estimates of the 1960 skindivingsurvey. A total of 15,030 divers were interviewed at 33locations from Pismo Beach, San Luis Obispo County, to theOregon border. The number of indiv1dual divers increasedfrom 2,200 in 1960 to 11,800 in 1972. Diving days increasedfrom 37,782 to 95,194. Over 50% of all diving was in theMonterey - Carmel area. Most diving hours were spent intraining, followed by abalone diving, observing, spearfishing, and photography. Totals of 82,174 abalones and 24,089 fishes were taken. Lingcod were the most abundant fish speared followed by blue rockfish and cabezon. Spearfishing dropped significantly in effort since 1960 and training and observing greatly increased. The take of abalones, urchins, crabs, and clams virtually disappeared from Point Estero to Seaside, the foraging range of the sea otter. The number of abalones taken increased outside the sea otter's range. (Document has 63 pages)
    Schlagwort(e): Fisheries ; Biology ; Pismo Beach ; California ; Oregon ; skindiving ; abalone ; spearfishing ; Lingcod
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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    Cruise Report 74-KB-12: Lobster Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/824 | 8 | 2011-09-29 21:30:43 | 824 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-03
    Beschreibung: (1 page)
    Schlagwort(e): Fisheries ; Biology ; R/V Kelp Bass ; Santa Catalina Island ; California ; Spiny lobster ; Panulirus interruptus ; life history
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 197
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    Cruise Report 74-KB-13: Sportfish-Kelp Habitat (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/825 | 8 | 2011-09-29 21:30:44 | 825 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-03
    Beschreibung: (1 page)
    Schlagwort(e): Fisheries ; Biology ; Palos Verdes Peninsula ; Catalina Island ; California ; kelp ; R/V Kelp Bass
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 198
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    Cruise Report 74-KB-17: Lobster Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/829 | 8 | 2011-09-29 21:30:51 | 829 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-03
    Beschreibung: (1 page)
    Schlagwort(e): Fisheries ; Biology ; R/V Kelp Bass ; Santa Catalina Island ; Spiny lobster ; Panulirus interruptus ; life history
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 199
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    Cruise Report 74-KB-19: Lobster Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/831 | 8 | 2011-09-29 21:31:17 | 831 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-03
    Beschreibung: (1 page)
    Schlagwort(e): Fisheries ; Biology ; R/V Kelp Bass ; Santa Catalina Island ; California ; Spiny lobster ; Panulirus interruptus ; life history
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 200
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    Cruise Report 74-KB-26: Lobster Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/838 | 8 | 2011-09-29 21:31:51 | 838 | California Department of Fish and Game
    Details
    Publikationsdatum: 2021-07-03
    Beschreibung: (1 page)
    Schlagwort(e): Fisheries ; Biology ; Santa Catalina Island ; California ; R/V Kelp Bass ; spiny lobster ; Panulirus interruptus ; life history
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    ARTIKEL (OA)
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